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IC-LSCCHIP

IC-LSCCHIP

  • 厂商:

    ICHAUS

  • 封装:

  • 描述:

    IC-LSCCHIP - -CHANNEL ACTIVE PHOTOSENSOR ARRAY - IC-Haus GmbH

  • 数据手册
  • 价格&库存
IC-LSCCHIP 数据手册
iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 1/7 FEATURES o Monolithic array of independent photosensors with excellent matching o Compact photosensor size of 800 µm x 300 µm enabling high-quality encoder scanning at reduced system dimensions o Narrow track pitch of 0.42 mm cuts down illumination efforts o Enhanced EMI immunity due to on-chip pre-amplification o Dark current compensation permits high temperature operation o Open-collector outputs as highside current source o Simple gain setting and current-to-voltage conversion by external load resistors o Single supply operation from 4 V to 5.5 V o Low power consumption o Space saving, RoHS compliant optoQFN and optoBGA packages o Options: extended temperature range of -40 to 125 °C, customized COB modules, reticles and code discs APPLICATIONS o Optical position encoding from analog sine/cosine signals o Incremental encoders with index signal o Motor commutation encoders PACKAGES 14-pin optoBGA 6.2 mm x 5.2 mm 32-pin optoQFN 5 mm x 5 mm / 1.4 mm BLOCK DIAGRAM Copyright © 2006, 2010 iC-Haus http://www.ichaus.com iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 2/7 DESCRIPTION The iC-LSC sensor array, coming with 12 independent channels, is a general purpose optoelectronic scanner made to suit a variety of encoding applications, such as rotary and linear encoders used for motion control, robotics, brushless DC motor commutation, power tools etc. The sensor array features monolithically integrated photosensors with active areas of 800 µm x 300 µm each in combination with fast on-chip photocurrent amplifiers, enabling an analog output at reasonable signal strength to the circuit board. The highside current source output construction avoids a ground referenced signal and permits the subsequent electronics to adjust the gain. In its simplest form this is done by load resistors, for instance. The spectral sensitivity range includes visible to near infrared light, with the maximum sensitivity being close to a wavelength of 700 nm. Output currents of up to 50 µA are supplied under low light conditions, for instance when illuminated at only 3 µW/mm2 by an 850 nm LED. The photocurrent gain is 46 dB typically. PACKAGES PAD LAYOUT Chip size 2.80 mm x 2.76 mm PAD FUNCTIONS No. Name Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VCC A1 B1 C1 D1 E1 F1 F2 E2 D2 C2 B2 A2 GND +4...5.5 V Supply Voltage Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Ground iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 3/7 PIN CONFIGURATION oQFN32-N5x5 (5 mm x 5 mm) PIN FUNCTIONS No. Name Function 1 2 3 4 5 6 7 8 9...16 17 18 19 20 21 22 23 24 25...32 VCC n.c. A1 B1 C1 D1 E1 F1 n.c. F2 E2 D2 C2 B2 A2 n.c. GND n.c. +4...5.5 V Supply Voltage Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Ground PIN CONFIGURATION oBGA LS2C (6.2 mm x 5.2 mm) PIN FUNCTIONS No. Name Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VCC A1 B1 C1 D1 E1 F1 F2 E2 D2 C2 B2 A2 GND +4...5.5 V Supply Voltage Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Highside Current Source Output Ground Pin numbers marked n.c. are not in use. For dimensional specifications refer to the relevant package data sheets, available separately. IC top markings, such as , or , indicate the orientation of the device. iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 4/7 ABSOLUTE MAXIMUM RATINGS These ratings do not imply operating conditions; functional operation is not guaranteed. Beyond these ratings device damage may occur. Item No. Symbol Parameter Voltage at VCC Current in VCC Pin Voltage, all signal outputs Pin Current, all signal outputs ESD Susceptibility, all pins Junction Temperature Chip Storage Temperature HBM, 100 pF discharged through 1.5 kΩ -40 -40 Conditions Min. -0.3 -20 -0.3 -20 Max. 6 20 VCC+0.3 20 2 150 150 V mA V mA kV °C °C Unit G001 VCC G002 I(VCC) G003 V() G004 I() G005 Vd() G006 Tj G007 Ts THERMAL DATA Item No. T01 Symbol Ta Parameter Conditions Min. Operating Ambient Temperature Range package oBGA LS2C package oQFN32-N5x5* (extended temperature range on request) T02 T03 Ts Tpk Storage Temperature Range Soldering Peak Temperature package oBGA LS2C package oQFN32-N5x5* package oBGA LS2C tpk < 20 s, convection reflow tpk < 20 s, vapor phase soldering TOL (time on label) 8 h; Please refer to customer information file No. 7 for details. T04 Tpk Soldering Peak Temperature package oQFN32-N5x5* tpk < 20 s, convection reflow tpk < 20 s, vapor phase soldering MSL 5A (max. floor live 24 h at 30 °C and 60 % RH); Please refer to customer information file No. 7 for details. 245 230 °C °C 245 230 °C °C -30 -40 110 110 °C °C -20 -40 Typ. Max. 90 110 °C °C Unit *) Package qualification pending. All voltages are referenced to ground unless otherwise stated. All currents flowing into the device pins are positive; all currents flowing out of the device pins are negative. iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 5/7 ELECTRICAL CHARACTERISTICS Operating conditions: VCC = 4...5.5 V, Tj = -40...125 °C, unless otherwise stated Item No. 001 002 003 004 005 101 102 103 104 105 201 202 203 204 205 206 Symbol Parameter Conditions Min. VCC I(VCC) I(VCC) Vc()hi Vc()lo E()mxr Aph() λar λpk S(λ) Iph() η ()r CR() fc()hi ∆Iout()m ∆Iout()m Permissible Supply Voltage Supply Current in VCC, dark Supply Current in VCC Clamp-Voltage hi at all pins Clamp-Voltage lo at all pins Permissible Irradiance Radiant Sensitive Area Spectral Application Range Peak Sensitivity Wavelength Spectral Sensitivity Permissible Photocurrent Operating Range E() = 0 Tj = 27 °C λLED = λpk, E() = 0.1 mW/cm2 Tj = 27 °C I() = 4 mA I() = -4 mA λLED = λpk 0.8 mm x 0.3 mm per sensor Se(λar) = 0.25 x S(λ)max see Figure 1 see Figure 1 λLED = λpk per sensor 0 60 150 150 deviation from mean value only one photosensor illuminated at the same time 1 Vout() = 1 V ... VCC - 1.5 V VCC = 4.5...5.5 V, Vout() = 1 V ... VCC - 2 V Iph: 0 → 100 nA, 1T settling (63%); Vout() = constant CL = 30 pF, RL() = 10 kΩ -0.6 -50 -200 0.7 0.8 +0.6 -15 0 200 200 +15 400 680 0.45 200 120 250 kHz % % 0.24 950 -1.2 4 1.5 4 2.2 11 -0.3 0.2 Typ. Max. 5.5 2 V mA mA mA mA V V mW/ cm2 mm2 nm nm A/W nA A/W Unit Total Device Photosensors Photocurrent Amplifiers Photo Sensitivity λLED = 740 nm (light-to-voltage conversion ratio) Photocurrent Gain Cut-off Frequency (-3 dB) Channel Matching Channel Cross Talk CR() = Iout() / Iph() Current Source Outputs 301 302 303 Vout() Iout() tr(), tf() Permissible Output Voltage (Operating Range) Permissible Output Current Output Current Rise/Fall Time VCC 1.5 V µA µA µs µs µA 304 Iout()0 Output Dark Current Figure 1: Relative spectral response Figure 2: Typical directional characteristics iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 6/7 APPLICATION CIRCUITS Figure 3: Optical encoder application example. Here, the sine-to-digital converter iC-NV is employed to output spike-free encoder quadrature signals featuring a minimum transition distance. iC-Haus expressly reserves the right to change its products and/or specifications. An Infoletter gives details as to any amendments and additions made to the relevant current specifications on our internet website www.ichaus.de/infoletter; this letter is generated automatically and shall be sent to registered users by email. Copying – even as an excerpt – is only permitted with iC-Haus approval in writing and precise reference to source. iC-Haus does not warrant the accuracy, completeness or timeliness of the specification on this site and does not assume liability for any errors or omissions in the materials. The data specified is intended solely for the purpose of product description. No representations or warranties, either express or implied, of merchantability, fitness for a particular purpose or of any other nature are made hereunder with respect to information/specification or the products to which information refers and no guarantee with respect to compliance to the intended use is given. In particular, this also applies to the stated possible applications or areas of applications of the product. iC-Haus conveys no patent, copyright, mask work right or other trade mark right to this product. iC-Haus assumes no liability for any patent and/or other trade mark rights of a third party resulting from processing or handling of the product and/or any other use of the product. As a general rule our developments, IPs, principle circuitry and range of Integrated Circuits are suitable and specifically designed for appropriate use in technical applications, such as in devices, systems and any kind of technical equipment, in so far as they do not infringe existing patent rights. In principle the range of use is limitless in a technical sense and refers to the products listed in the inventory of goods compiled for the 2008 and following export trade statistics issued annually by the Bureau of Statistics in Wiesbaden, for example, or to any product in the product catalogue published for the 2007 and following exhibitions in Hanover (Hannover-Messe). We understand suitable application of our published designs to be state-of-the-art technology which can no longer be classed as inventive under the stipulations of patent law. Our explicit application notes are to be treated only as mere examples of the many possible and extremely advantageous uses our products can be put to. iC-LSC 12-CHANNEL ACTIVE PHOTOSENSOR ARRAY Rev C1, Page 7/7 ORDERING INFORMATION Type iC-LSC Package - Options Order Designation iC-LSC chip iC-LSC oQFN32-N5x5 32-pin optoQFN glass lid 5 mm x 5 mm, thickness 1.4 mm 14-pin optoBGA 6.2 mm x 5.2 mm 14-pin optoBGA 6.2 mm x 5.2 mm glass lid iC-LSC oBGA LS2C on-chip reticle iC-LSC oBGA LS2C-LSCxR For technical support, information about prices and terms of delivery please contact: iC-Haus GmbH Am Kuemmerling 18 D-55294 Bodenheim GERMANY Tel.: +49 (61 35) 92 92-0 Fax: +49 (61 35) 92 92-192 Web: http://www.ichaus.com E-Mail: sales@ichaus.com Appointed local distributors: http://www.ichaus.com/sales_partners
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