F2255NLGK

F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz FEATURES GENERAL DESCRIPTION • • • • • • • The F2255 is a low insertion loss Voltage Variable RF Attenuator (VVA) designed for a multitude of wireless and other RF applications. This device covers a broad frequency range from 1MHz to 3000MHz. In addition to providing low insertion loss, the F2255 provides excellent linearity performance over its entire voltage control and attenuation range. The F2255 uses a single positive supply voltage of 3.15V to 5.25V. Other features include the VMODE pin allowing either positive or negative voltage control slope vs attenuation and multi-directional operation meaning the RF input can be applied to either RF1 or RF2 pins. Control voltage ranges from 0V to 3.6V using either positive or negative control voltage slope. • • • • • Operation down to 1MHz  Insertion Loss @ 500MHz: 1.1dB  Maximum Attenuation Slope: 33dB/Volt  Minimum Output IP3: 35dBm  Minimum Input IP2: 74dBm  High Operating Temperature: +105°C Control ORDERING INFORMATION Tape & Reel 0.9 mm height package Base Station 2G, 3G, 4G Portable Wireless Repeaters and E911 systems Digital Pre-Distortion Point to Point Infrastructure Public Safety Infrastructure Satellite Receivers and Modems WIMAX Receivers and Transmitters Military Radios covering HF, VHF, UHF RFID handheld and portable readers Cable Infrastructure Wireless LAN Test / ATE Equipment © 2018 Renesas Electronics Corporation RF2 RF1 APPLICATIONS • • • • • • • • • • • • • VDD VMODE The F2255 provides extremely low insertion loss and superb IP3, IP2, Return Loss and Slope Linearity across the control range. Comparing to competitive VVAs this device is better as follows: VCTRL DEVICE BLOCK DIAGRAM COMPETITIVE ADVANTAGE  Low Insertion Loss: 1.1dB @ 500MHz Typical / Min IIP3: 60dBm / 46dBm Typical / Min IIP2: 98dBm / 74dBm 33dB Attenuation Range Bi-directional RF ports +36dBm Input P1dB compression VMODE pin allows either positive or negative control response Linear-in-dB attenuation characteristic Supply voltage: 3.15V to 5.25V VCTRL range: 0V to 3.6V using 5V supply +105°C max operating temperature 3mm x 3mm, 16-pin QFN package F2255NLGK8 RF product Line Green PART# MATRIX 1 Part# RF Freq Range (MHz) F2250 F2255 F2258 IIP3 Insertion Loss (dB) (dBm) Pinout Compatibility 50 - 6000 1.4 (at 2GHz) +65 RFMD 1 - 3000 1.1 (at 500MHz) +60 50 - 6000 1.4 (at 2GHz) +65 Hittite May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz ABSOLUTE MAXIMUM RATINGS Parameter / Condition Symbol VDD VMODE VCTRL VRF VDD to GND VMODE to GND VCTRL to GND VDD = 0V to 5.25V RF1, RF2 to GND RF1 or RF2 Input Power applied for 24 hours maximum (VDD applied @ 2GHz and Tc=+85°C) RF1 or RF2 Continuous Operating Power Maximum Junction Temperature Storage Temperature Range Lead Temperature (soldering, 10s) ESD Voltage– HBM (Per ESD STM5.1-2007) ESD Voltage – CDM (Per ESD STM5.3.1-2009) Min -0.3 -0.3 -0.3 -0.3 Max 5.5 Minimum ( VDD, 3.9 ) Minimum ( VDD, 4.0 ) 0.3 Units V V V V PMAX24 30 dBm PMAX_OP TJMAX TST TLEAD VESDHBM VESDCDM See Figure 1 +150 +150 +260 Class 2 Class C3 dBm °C °C °C -65 FIGURE 1: MAXIMUM OPERATING RF INPUT POWERS VS. RF FREQUENCY Stresses above those listed above may cause permanent damage to the device. Functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. PACKAGE THERMAL AND MOISTURE CHARACTERISTICS ΘJA (Junction – Ambient) ΘJC (Junction – Case) The Case is defined as the exposed paddle Moisture Sensitivity Rating (Per J-STD-020) © 2018 Renesas Electronics Corporation 2 80.6°C/W 5.1°C/W MSL 1 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz F2255 OPERATING CONDITIONS Parameter Operating Frequency Range Supply Voltage Symbol FRF VDD VIH VMODE Logic VIL VCTRL Range VCTRL Supply Current Logic Current ICTRL Current RF Operating Power IDD Condition VDD > 3.9V VDD = 3.15 to 3.9V VDD = 3.9V to 5.25V VDD = 3.15V to 3.9V IMODE ICTRL 3 Min 1 3.15 1.17 1.17 0 0 0 0.50 1 -1.0 -1.0 Typ 1.15 PMAXCW RF1 Port Impedance ZRF1 50 RF2 Port Impedance Operating Temperature Range ZRF2 50 TCASE Exposed Paddle Temperature -40 Max 3000 5.25 3.6 2 VDD -0.3V 0.63 3.6 VDD-0.3 2 38 14 See Figure 1 Units MHz V V V mA μA μA dBm Ω +105 °C Operating Conditions Notes: 1 – Items in min/max columns in bold italics are Guaranteed by Test. 2 – Items in min/max columns that are not bold/italics are Guaranteed by Design Characterization. 3 – Refer to the Maximum Operating RF Input Power vs. RF Frequency curves in Figure 1. © 2018 Renesas Electronics Corporation 3 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz F2255 SPECIFICATIONS Refer to EVKit / Applications Circuit, VDD = +3.3V, TC = +25°C, signals applied to RF1 input, FRF = 500MHz, minimum attenuation, PIN = 0dBm for small signal parameters, +20dBm for single tone linearity tests, +20dBm per tone for two tone tests, two tone delta frequency = 80MHz, PCB board traces and connector losses are de-embedded unless otherwise noted. Refer to Typical Operating Curves for performance over entire frequency band. Parameter Symbol Insertion Loss, IL Maximum attenuation AMIN AMAX ΦΔMAX Insertion Phase Δ Input 1dB Compression ΦΔMID 3 P1dB Minimum RF1 Return Loss over control voltage range S11 Minimum RF2 Return Loss over control voltage range S22 Input IP3 Input IP3 over Attenuation Minimum Output IP3 IIP3 IIP3ATTEN OIP3MIN Input IP2 Minimum Input IP2 Input IH2 Input IH3 Settling Time IIP2 IIP2MIN HD2 HD3 TSETTL0.1dB Condition Minimum Attenuation At 36dB attenuation relative to Insertion Loss At 18dB attenuation relative to Insertion Loss Min 33 1.1 34.6 Max 1.7 1 Units dB dB 27 deg 8 20MHz 500MHz 2000MHz 3000MHz 20MHz 500MHz 2000MHz 3000MHz All attenuation settings Maximum attenuation PIN + IM2dBC, IM2 term is F1+F2 All attenuation settings PIN + H2dBc PIN + (H3dBc/2) Any 1dB step in the 0dB to 33dB control range 50% VCTRL to RF settled to within ± 0.1dB Typ 44 2 36 23 22 23 30 23 22 23 24 60 46 35 dBm 98 dBm 74 82 49 dBm dBm dBm 15 μSec dB dB dBm Specification Notes: 1 – Items in min/max columns in bold italics are Guaranteed by Test. 2 – Items in min/max columns that are not bold/italics are Guaranteed by Design Characterization. 3 – The input 1dB compression point is a linearity figure of merit. Refer to Absolute Maximum Ratings section along with Figure 1 for the maximum RF input power vs. RF frequency. © 2018 Renesas Electronics Corporation 4 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CURVES UNLESS OTHERWISE NOTED, THE FOLLOWING CONDITIONS APPLY: • • • • • • • • VDD = +3.3V or +5.0V TC = +25ºC VMODE = 0V RF trace and connector losses are de-embedded for S-parameters Pin = 0dBm for all small signal tests Pin = +20dBm for single tone linearity tests (RF1 port driven) Pin = +20dBm/tone for two tone linearity tests (RF1 port driven) Two tone frequency spacing = 80MHz © 2018 Renesas Electronics Corporation 5 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS [S2P BROADBAND PERFORMANCE] (-1-) Attenuation vs. VCTRL Attenuation vs. Frequency 25C / 25C / 25C / 25C / 25C / 25C / 25C / 25C / 25C / Attenuation (dB) -5 -10 -15 -20 0 10MHz 50MHz 100MHz 250MHz 500MHz 900MHz 1200MHz 1900MHz 2700MHz -5 Attenuation (dB) 0 -25 -30 -35 -10 -15 -20 -25 -30 -35 25C / 0.0V 25C / 1.2V 25C / 1.8V -40 25C / 0.8V 25C / 1.4V 25C / 2.2V 25C / 1.0V 25C / 1.6V 25C / 2.8V -45 -40 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0 2.8 500 1000 1500 2000 2500 3000 Frequency (MHz) VCTRL (Volts) Attenuation Delta to 25C vs. VCTRL Attenuation Error (dB) 4 -40C / 11MHz -40C / 251MHz -40C / 900MHz 105C / 11MHz 105C / 251MHz 105C / 900MHz 3 2 1 0 -1 -2 -3 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 VCTRL (V) © 2018 Renesas Electronics Corporation 6 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CURVES [S2P VS. VCTRL] (-2-) Attenuation Slope vs. VCTRL Attenuation vs. VCTRL 0 25C 15MHz Attenuation Slope (dB/V) Attenuation (dB) -5 40 4MHz 25C 60MHz -10 200MHz 600MHz -15 1200MHz -20 2100MHz -25 -30 -35 35 30 25 20 15 4MHz 60MHz 600MHz 2100MHz 10 5 0 -40 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0.6 2.8 0.8 1.0 1.2 1.6 1.8 2.0 2.2 RF2 Return Loss vs. VCTRL RF1 Return Loss vs. VCTRL 0 0 -10 25C 15MHz 200MHz 1200MHz 4MHz 60MHz 600MHz 2100MHz -5 RF2 Return Loss (dB) 4MHz 60MHz 600MHz 2100MHz -5 RF1 Return Loss (dB) 1.4 VCTRL (V) VCTRL (V) -15 -20 -25 -30 -10 25C 15MHz 200MHz 1200MHz -15 -20 -25 -30 -35 -35 -40 -40 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0.0 2.8 0.4 0.8 1.2 VCTRL (V) 4MHz 15MHz 60MHz 200MHz 600MHz 1200MHz 2100MHz 70 60 50 40 110 (positive phase = electrically shorter) 30 25C 20 10 0 0.0 0.4 0.8 1.2 2.0 2.4 2.8 Insertion Phase Slope vs. VCTRL Insertion Phase Slope (deg/V) 80 1.6 VCTRL (V) Insertion Phase ∆ vs. VCTRL Insertion Phase ∆ (deg) 15MHz 200MHz 1200MHz 1.6 2.0 2.4 90 15MHz 600MHz 60MHz 1200MHz 25C 70 50 30 10 -10 0.6 2.8 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 VCTRL (V) VCTRL (V) © 2018 Renesas Electronics Corporation 4MHz 200MHz 2100MHz 7 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS [S2P VS. VCTRL & TEMPERATURE] (-3-) Attenuation Response vs. VCTRL 0 45 -10 -15 -20 Attenuation Slope (dB/V) -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz -5 Attenuation (dB) Attenuation Slope vs. VCTRL -25 -30 -35 -40 -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz 40 35 30 25 20 15 10 5 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 VCTRL (V) VCTRL (V) RF1 Return Loss vs. VCTRL RF2 Return Loss vs. VCTRL 0 -10 -15 -20 -25 -30 -35 -40 -10 -15 -20 -25 -30 -35 -40 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 0.0 VCTRL (V) 60 30 1.2 1.6 80 Insertion Phase Slope (deg/V) 40 0.8 2.0 2.4 2.8 Insertion Phase Slope vs. VCTRL -40C / 15MHz (positive phase = electrically shorter) -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz 50 0.4 VCTRL (V) Insertion Phase ∆ vs. VCTRL Insertion Phase ∆ (deg) -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz -5 RF2 Return Loss (dB) -5 RF1 Return Loss (dB) 0 -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz 20 10 -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz 70 60 50 40 30 20 10 0 0 0.0 0.4 0.8 1.2 1.6 2.0 2.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 2.8 VCTRL (V) VCTRL (V) © 2018 Renesas Electronics Corporation 8 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS [S2P VS. ATTENUATION & TEMPERATURE] (-4-) RF1 Return Loss vs. Attenuation RF1 Return Loss vs. Attenuation 0 RF1 Return Loss (dB) -5 -10 4MHz 60MHz 600MHz 2100MHz 0 25C / 15MHz 25C / 200MHz 25C / 1200MHz -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz -5 RF1 Return Loss (dB) 25C / 25C / 25C / 25C / -15 -20 -25 -30 -10 -15 -20 -25 -30 -35 -35 -40 -40 0 4 8 12 16 20 24 28 32 0 36 4 8 Attenuation (dB) 0 -10 -40C / 15MHz -40C / 1200MHz 25C / 500MHz 105C / 15MHz 105C / 1200MHz -5 RF2 Return Loss (dB) RF2 Return Loss (dB) -5 -15 -20 -25 -30 24 28 32 36 -10 -40C / 500MHz 25C / 15MHz 25C / 1200MHz 105C / 500MHz -15 -20 -25 -30 -35 -35 -40 -40 0 4 8 12 16 20 24 28 32 0 36 4 8 25C / 15MHz 60 25C / 60MHz Insertion Phase ∆ (deg) 70 25C / 200MHz 50 25C / 600MHz 25C / 1200MHz 40 20 24 28 32 36 28 32 36 60 (positive phase = electrically shorter) 25C / 4MHz 16 Insertion Phase Δ vs. Attenuation Insertion Phase Δ vs. Attenuation 80 12 Attenuation (dB) Attenuation (dB) Insertion Phase ∆ (deg) 20 0 25C / 15MHz 25C / 200MHz 25C / 1200MHz 4MHz 60MHz 600MHz 2100MHz 16 RF2 Return Loss vs. Attenuation RF2 Return Loss vs. Attenuation 25C / 25C / 25C / 25C / 12 Attenuation (dB) 25C / 2100MHz 30 20 10 -40C / 15MHz -40C / 500MHz -40C / 1200MHz 25C / 15MHz 25C / 500MHz 25C / 1200MHz 105C / 15MHz 105C / 500MHz 105C / 1200MHz 50 40 30 20 10 0 0 0 4 8 12 16 20 24 28 32 0 36 8 12 16 20 24 Attenuation (dB) Attenuation (dB) © 2018 Renesas Electronics Corporation 4 9 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS [S2P VS. FREQUENCY] (-5-) Min. & Max. Attenuation Slope vs. Frequency Min. & Max. Attenuation vs. Frequency Min/Max ATTN slope (dB/V) 40 VCTRL varied from 0.8V to 1.7V 35 30 25 20 15 max slope 10 min slope 5 0 0 500 1000 1500 2000 2500 Worst-Case RF1 Return Loss vs. Frequency Frequency (MHz) Worst-Case RF2 Return Loss vs. Frequency Max. Insertion Phase ∆ vs. Frequency Gain Compression vs. Frequency 1 70 (positive phase = electrically shorter) Gain Compression (dB) Max Insertion Phase ∆ (deg) 3000 60 50 40 30 -40C 25C 20 105C 10 0 0 500 1000 1500 2000 2500 1MHz 125MHz 250MHz 500MHz 1000MHz 2700MHz 0 -0.5 -1 -1.5 -2 3000 10 Frequency (MHz) © 2018 Renesas Electronics Corporation 0.5 14 18 22 26 30 34 38 RF Input Power (dBm) 10 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS [S2P @ LOW FREQUENCY, GROUP DELAY] (-6-) Low-Frequency Attenuation vs. VCTRL 0 0 -5 -5 -10 -10 -15 0.0V -20 2.8V Attenuation (dB) Attenuation (dB) Min. & Max. Attenuation vs. Low Frequency -25 -30 1.0MHz 3.0MHz 7.0MHz -15 10.0MHz 50.0MHz -20 100.0MHz -25 -30 -35 -35 -40 -40 -45 -45 0 10 20 30 40 50 60 70 80 90 100 0.0 0.4 0.8 Frequency (MHz) 0 0 -15 2.0 2.4 2.8 0.5MHz 1.0MHz 3.0MHz 7.0MHz 10.0MHz 50.0MHz 100.0MHz -5 RF2 Return Loss (dB) -10 1.6 Low-Frequency RF2 Return Loss vs. VCTRL 0.5MHz 1.0MHz 3.0MHz 7.0MHz 10.0MHz 50.0MHz 100.0MHz -5 1.2 VCTRL (V) Low-Frequency RF1 Return Loss vs. VCTRL RF1 Return Loss (dB) 0.5MHz 25C -20 -25 -30 -35 -10 -15 -20 -25 -30 -35 -40 -40 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 0.0 VCTRL (V) 0.4 0.8 1.2 1.6 2.0 2.4 2.8 VCTRL (V) Group Delay vs. Frequency Group Delay (picosec) 200 -40C / 0.8V -40C / 1.8V 150 25C / 0.8V 25C / 1.8V 100 105C / 0.8V 105C / 1.8V 50 0 -50 -100 0 500 1000 1500 2000 2500 3000 Frequency (MHz) © 2018 Renesas Electronics Corporation 11 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS 500MHZ, VDD=3.3V [IP3, IP2, IH2, IH3 VS. VCTRL, VMODE] (-7-) Output IP3 vs. VCTRL Input IP3 vs. VCTRL 80 80 70 Output IP3 (dBm) Input IP3 (dBm) 70 60 50 -40C / Vmode = 0V 25C / Vmode = 0V 105C / Vmode = 0V -40C / Vmode = 3V 25C / Vmode = 3V 105C / Vmode = 3V 40 30 60 50 40 30 -40C / Vmode = 0V 25C / Vmode = 0V 105C / Vmode = 0V -40C / Vmode = 3V 25C / Vmode = 3V 105C / Vmode = 3V 20 10 0 20 0 0.4 0.8 1.2 1.6 2 2.4 0 2.8 0.4 0.8 VCTRL (V) 120 110 110 Output IP2 (dBm) Input IP2 (dBm) 120 100 90 80 -40C / Vmode = 3V 25C / Vmode = 3V 105C / Vmode = 3V -40C / Vmode = 0V 25C / Vmode = 0V 105C / Vmode = 0V 70 60 50 0.8 1.2 1.6 2 2.4 70 60 -40C / Vmode = 0V 25C / Vmode = 0V 105C / Vmode = 0V -40C / Vmode = 3V 25C / Vmode = 3V 105C / Vmode = 3V 50 30 0 0.4 0.8 80 120 70 110 IH3 (dBm) IH2 (dBm) 130 100 90 -40C / Vmode = 0V 25C / Vmode = 0V 105C / Vmode = 0V -40C / Vmode = 3V 25C / Vmode = 3V 105C / Vmode = 3V 70 60 50 1.2 1.6 2 2.4 2.8 2 2.4 60 50 -40C / Vmode = 0V 25C / Vmode = 0V 105C / Vmode = 0V -40C / Vmode = 3V 25C / Vmode = 3V 105C / Vmode = 3V 40 30 20 10 0 2.8 0.4 0.8 1.2 1.6 2 2.4 2.8 VCTRL (V) VCTRL (V) © 2018 Renesas Electronics Corporation 1.6 3rd Harm Input Intercept Point vs. VCTRL 90 80 1.2 VCTRL (V) 140 0.8 2.8 80 2.8 2nd Harm Input Intercept Point vs. VCTRL 0.4 2.4 90 VCTRL (V) 0 2 100 40 40 0.4 1.6 Output IP2 vs. VCTRL Input IP2 vs. VCTRL 0 1.2 VCTRL (V) 12 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS 500MHZ, VDD=3.3V [IPX, IHX VS. VCTRL, RF1/RF2 DRIVEN] (-8-) Output IP3 vs. VCTRL 80 70 70 60 Output IP3 (dBm) Input IP3 (dBm) Input IP3 vs. VCTRL 60 50 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 40 30 20 0 0.4 0.8 1.2 1.6 2 2.4 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 50 40 30 20 10 0 2.8 0.4 0.8 120 110 110 Output IP2 (dBm) Input IP2 (dBm) 120 100 90 80 70 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 60 50 40 0.4 0.8 1.2 1.6 2 2.4 100 90 70 60 50 30 0 0.4 0.8 IH2 (dBm) 120 80 110 70 100 90 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 70 60 50 0.8 1.2 1.6 2 2.4 2.8 2 2.4 60 50 40 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 30 20 10 0 2.8 0.4 0.8 1.2 1.6 2 2.4 2.8 VCTRL (V) VCTRL (V) © 2018 Renesas Electronics Corporation 1.6 3rd Harm Input Intercept Point vs. VCTRL 90 80 1.2 VCTRL (V) 130 0.4 2.8 80 2.8 Harm Input Intercept Point vs. VCTRL 0 2.4 40 IH3 (dBm) 2 2 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven VCTRL (V) nd 1.6 Output IP2 vs. VCTRL Input IP2 vs. VCTRL 0 1.2 VCTRL (V) VCTRL (V) 13 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS 500MHZ, VDD=3.3V [IP3, IP2, IH2, IH3 VS. ATTENUATION] (-9-) Input IP3 vs. Attenuation Output IP3 vs. Attenuation 80 80 70 70 Output IP3 (dBm) Input IP3 (dBm) -40C 60 50 40 -40C 25C 30 25C 105C 60 50 40 30 20 105C 20 10 0 4 8 12 16 20 24 28 32 36 0 4 8 Attenuation (dB) Input IP2 vs. Attenuation 16 20 24 28 32 36 Output IP2 vs. Attenuation 120 120 110 110 25C 100 100 105C Output IP2 (dBm) Input IP2 (dBm) 12 Attenuation (dB) 90 80 70 60 -40C 50 25C -40C 90 80 70 60 50 40 105C 30 40 0 4 8 12 16 20 24 28 32 0 36 4 8 2nd Harm Input Intercept Point vs. Attenuation 16 20 24 28 32 36 3rd Harm Input Intercept Point vs. Attenuation 140 90 130 80 120 70 IH3 (dBm) IH2 (dBm) 12 Attenuation (dB) Attenuation (dB) 110 100 90 60 50 40 80 -40C 30 70 25C 20 -40C 25C 105C 105C 10 60 0 4 8 12 16 20 24 28 32 0 36 © 2018 Renesas Electronics Corporation 4 8 12 16 20 24 28 32 36 Attenuation (dB) Attenuation (dB) 14 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz TYPICAL OPERATING CONDITIONS 500MHZ, VDD=3.3V [IPX, IHX VS. ATTEN, RF1/RF2 DRIVEN] (-10-) Output IP3 vs. Attenuation 80 70 70 60 Output IP3 (dBm) Input IP3 (dBm) Input IP3 vs. Attenuation 60 50 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 40 30 20 0 4 8 12 16 20 24 28 32 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 50 40 30 20 10 36 0 4 8 Attenuation (dB) 120 110 110 Output IP2 (dBm) Input IP2 (dBm) 120 100 90 80 70 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 60 50 40 4 8 12 16 20 24 28 32 100 90 50 30 0 36 4 8 110 70 100 90 80 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 60 50 20 24 20 24 28 32 36 28 32 60 50 40 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven 30 20 10 0 36 4 8 12 16 20 24 28 32 36 Attenuation (dB) Attenuation(dB) © 2018 Renesas Electronics Corporation 16 3rd Harm Input Intercept Point vs. Attenuation 80 70 12 Attenuation (dB) IH3 (dBm) IH2 (dBm) 36 60 120 16 32 70 90 12 28 80 130 8 24 40 2nd Harm Input Intercept Point vs. Attenuation 4 20 -40C / RF1 Driven 25C / RF1 Driven 105C / RF1 Driven -40C / RF2 Driven 25C / RF2 Driven 105C / RF2 Driven Attenuation (dB) 0 16 Output IP2 vs. Attenuation Input IP2 vs. Attenuation 0 12 Attenuation (dB) 15 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz PACKAGE OUTLINE DRAWING The package outline drawings are located at the end of this document and are accessible from the Renesas website (see also 16-VFQFPN). The package information is the most current data available and is subject to change without revision of this document. GND 15 14 NC VDD 16 VCTRL VMODE PINOUT & BLOCK DIAGRAM 13 1 12 GND Control NC 2 11 NC RF1 3 10 RF2 NC 4 9 NC © 2018 Renesas Electronics Corporation 16 RTN 7 8 RTN 6 GND 5 RTN E.P. May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz PIN DESCRIPTION Pin Name Function 1, 7, 12 GND 2, 4, 9, 11, 13 NC 3 RF1 5, 6, 8 RTN 10 RF2 14 VCTRL 15 VDD 16 VMODE Ground these pins as close to the device as possible. No internal connection. Renesas recommends connecting these pins to GND. RF Port 1. Matched to 50 ohms. Must use an external AC coupling capacitor as close to the device as possible. For low frequency operation increase the capacitor value to result in a low reactance at the frequency of interest. Attenuator Ground Return. Each of these pins require a capacitor to GND to provide an RF return path. Place the capacitor as close to the device as possible. RF Port 2. Matched to 50 ohms. Must use an external AC coupling capacitor as close to the device as possible. For low frequency operation increase the capacitor value to result in a low reactance at the frequency of interest. Attenuator control voltage. Apply a voltage in the range as specified in the Operating Conditions Table. See application section for details about VCTRL. Power supply input. Bypass to GND with capacitors close as possible to pin. Attenuator slope control. Set to logic LOW to enable negative attenuation slope. Set to logic HIGH to enable positive attenuation slope. Exposed Pad. Internally connected to GND. Solder this exposed pad to a PCB pad that uses multiple ground vias to achieve the specified RF performance. — EP © 2018 Renesas Electronics Corporation 17 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz APPLICATIONS INFORMATION Default Start-up VMODE must be tied to either GND or Logic High. If the VCTRL pin is left floating, the part will power up in the minimum attenuation state when VMODE = GND, or the maximum attenuation state when VMODE = High. VCTRL The voltage level on the VCTRL pin is used to control the attenuation of the F2255. At VCTRL =0V, the attenuation is a minimum (maximum) in the negative (positive) slope mode. An increasing (decreasing) voltage on VCTRL produces an increasing (decreasing) attenuation respectively. The VCTRL pin has an on-chip pull-up ESD diode so VDD should be applied before VCTRL is applied (see Recommended Operating Conditions for details). If this sequencing is not possible, then resistor R2 in the application circuit should be set to 1kΩ to limit the current into the VCTRL pin. VMODE The VMODE pin is used to set the slope of the attenuation. The attenuation is varied by VCTRL as described in the next section. Setting VMODE to a logic LOW (HIGH) will set the attenuation slope to negative (positive). A negative (positive) slope is defined as an increased (decreased) attenuation with increasing VCTRL voltage. The Evaluation Kit provides an on-board jumper to manually set the VMODE. Install a jumper on header J2 from VMODE to the pin marked Lo (Hi) to set the device for a negative (positive) slope (see application circuit). RF1 and RF2 Ports The F2255 is a bi-directional device, allowing RF1 or RF2 to be used as the RF input. RF1 has some enhanced linearity performance, and therefore should be used as the RF input, when possible, for best results. The F2255 has been designed to accept high RF input power levels; therefore, VDD must be applied prior to the application of RF power to ensure reliability. DC blocking capacitors are required on the RF pins and should be set to a value that results in a low reactance over the frequency range of interest. Power Supplies The supply pin should be bypassed with external capacitors to minimize noise and fast transients. Supply noise can degrade noise figure and fast transients can trigger ESD clamps and cause them to fail. Supply voltage change or transients should have a slew rate smaller than 1V/20uS. In addition, all control pins should remain at 0V (+/-0.3V) while the supply voltage ramps or while it returns to zero. © 2018 Renesas Electronics Corporation 18 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz Control Pin Interface If control signal integrity is a concern and clean signals cannot be guaranteed due to overshoot, undershoot, ringing, etc., the following circuit at the input of control pins 14 and 16 is recommended as shown below. VMODE 5Kohm 5Kohm VCTRL 2pf VDD 2pf 16 15 14 13 12 1 Control RF1 2 11 3 10 4 9 5 © 2018 Renesas Electronics Corporation 7 6 19 RF2 8 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz EVKIT / APPLICATIONS CIRCUIT J1 VCC C1 C2 R1 C3 R2 C4 3 4 5 VCTRL 2 1 VDD 3 4 5 EPAD C10 C9 J5 1 13 NC J4 10 9 C8 1 3 4 5 2 NC RF2 11 U1 C11 VDD 2 VDD 14 NC 5 17 RF2 12 RTN 4 RF1 8 3 NC GND C7 NC 7 1 GND RTN 3 4 5 2 RF1 GND 6 2 J3 VDD VMODE 1 RTN J2 VCTRL C6 1 2 3 R5 16 C5 R4 15 R3 © 2018 Renesas Electronics Corporation 20 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz EVKIT PICTURE / LAYOUT (TOP VIEW) © 2018 Renesas Electronics Corporation 21 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz EVKIT PICTURE / LAYOUT (BOTTOM VIEW) © 2018 Renesas Electronics Corporation 22 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz EVKIT BOM TOP MARKINGS © 2018 Renesas Electronics Corporation 23 May 7, 2021 F2255 Datasheet Voltage Variable RF Attenuator 1MHz to 3000MHz Revision History Revision Date May 7, 2021 Description of Change • Changed the corporate branding to Renesas. • Completed other minor changes. February 9, 2018 Corrected POD drawing, added revision page. January 30, 2017 Updated GBT limits for IDD, VMODE and VCTRL. November 5, 2015 Initial release. © 2018 Renesas Electronics Corporation 24 May 7, 2021 16-VFQFPN Package Outline Drawing 3.0 x 3.0 x 0.9 mm, 0.5mm Pitch, 1.70 x 1.70 mm Epad NL/NLG16P2, PSC-4169-02, Rev 05, Page 1 16-VFQFPN Package Outline Drawing 3.0 x 3.0 x 0.9 mm, 0.5mm Pitch, 1.70 x 1.70 mm Epad NL/NLG16P2, PSC-4169-02, Rev 05, Page 2 Package Revision History Description Date Created Rev No. Oct 25, 2017 Rev 04 Remove Bookmak at Pdf Format & Update Thickness Tolerance Jan 18, 2018 Rev 05 Change QFN to VFQFPN IMPORTANT NOTICE AND DISCLAIMER RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (“RENESAS”) PROVIDES TECHNICAL SPECIFICATIONS AND RELIABILITY DATA (INCLUDING DATASHEETS), DESIGN RESOURCES (INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS” AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS. These resources are intended for developers skilled in the art designing with Renesas products. You are solely responsible for (1) selecting the appropriate products for your application, (2) designing, validating, and testing your application, and (3) ensuring your application meets applicable standards, and any other safety, security, or other requirements. These resources are subject to change without notice. Renesas grants you permission to use these resources only for development of an application that uses Renesas products. Other reproduction or use of these resources is strictly prohibited. No license is granted to any other Renesas intellectual property or to any third party intellectual property. Renesas disclaims responsibility for, and you will fully indemnify Renesas and its representatives against, any claims, damages, costs, losses, or liabilities arising out of your use of these resources. Renesas' products are provided only subject to Renesas' Terms and Conditions of Sale or other applicable terms agreed to in writing. No use of any Renesas resources expands or otherwise alters any applicable warranties or warranty disclaimers for these products. (Rev.1.0 Mar 2020) Corporate Headquarters Contact Information TOYOSU FORESIA, 3-2-24 Toyosu, Koto-ku, Tokyo 135-0061, Japan www.renesas.com For further information on a product, technology, the most up-to-date version of a document, or your nearest sales office, please visit: www.renesas.com/contact/ Trademarks Renesas and the Renesas logo are trademarks of Renesas Electronics Corporation. All trademarks and registered trademarks are the property of their respective owners. © 2020 Renesas Electronics Corporation. All rights reserved.