R1121N

51B(GRF LOW NOISE 150m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• 8OWUD/RZ 6XSSO\ &XUUHQW  7\S µ$ • 6WDQGE\ 0RGH  7\S µ$ • /RZ 'URSRXW 9ROWDJH  7\S 9 ,287 • +LJK 5LSSOH 5HMHFWLRQ  7\S GE I • ([FHOOHQW /LQH 5HJXODWLRQ 7\S  9 • +LJK $FFXUDF\ 2XWSXW 9ROWDJH  ± • 6PDOO 3DFNDJH  627 0LQLPROG • 2XWSXW 9ROWDJH  6WHSZLVH VHWWLQJ ZLWK D VWHS RI 9 LQ WKH UDQJH RI 9 WR 9 LV SRVVLEOH • %XLOWLQ &KLS (QDEOH &LUFXLW  7\SHV $ DFWLYH ´/ % DFWLYH ´+µ µ • 3LQ RXW 6LPLODU WR WKH 7. 7. • /RZ 7HPSHUDWXUH'ULIW &RHIILFLHQW RI 2XWSXW 9ROWDJH 7\S ±SSP°& P$ N+] APPLICATIONS • 3RZHU VRXUFH IRU FHOOXODU SKRQHV VXFK DV *60 &'0$ DQG YDULRXV NLQG RI 3&6V • 3RZHU VRXUFH IRU GRPHVWLF DSSOLDQFHV VXFK DV FDPHUDV 9&5V DQG FDPFRUGHUV • 3RZHU VRXUFH IRU EDWWHU\SRZHUHG HTXLSPHQW 1 R1121N BLOCK DIAGRAM R1121Nxx1A R1121Nxx1B 3 VDD 1 VOUT 3 VDD 1 VOUT Vref CE 4 Current Limit GND 2 CE 4 Vref Current Limit GND 2 SELECTION GUIDE 7KH RXWSXW YROWDJH WKH DFWLYH W\SH WKH SDFNLQJ W\SH DQG WKH WDSLQJ W\SH IRU WKH ,&V FDQ EH VHOHFWHG DW WKH XVHU V UHTXHVW 7KH VHOHFWLRQ FDQ EH PDGH E\ GHVLJQDWLQJ WKH SDUW QXPEHU DV VKRZQ EHORZ  5[[[[[[ ↑ ↑↑ DEF Code D 6HWWLQJ 2XWSXW 9ROWDJH 9287  6WHSZLVH VHWWLQJ ZLWK D VWHS RI 9 LQ WKH UDQJH RI 9 WR 9 LV SRVVLEOH 'HVLJQDWLRQ RI $FWLYH 7\SH  E $  DFWLYH ´/ W\SH µ %  DFWLYH ´+µ W\SH F 'HVLJQDWLRQ RI 7DSLQJ 7\SH  ([ 75 7/ UHIHU WR 7DSLQJ 6SHFLILFDWLRQV 75 W\SH LV WKH VWDQGDUG GLUHFWLRQ Contents ←3DUW 1XPEHU 2 R1121N PIN CONFIGURATION SOT-23-5 5 4 NC (mark side) VOUT GND CE VDD 1 2 3 PIN DESCRIPTION Pin No.      Symbol 9287 *1' 9''  RU &( Description 2XWSXW SLQ *URXQG 3LQ ,QSXW 3LQ &KLS (QDEOH 3LQ 1R &RQQHFWLRQ 1& ABSOLUTE MAXIMUM RATINGS Symbol 9,1 9&( 9287 ,287 3' 7RSW 7VWJ Item ,QSXW 9ROWDJH ,QSXW 9ROWDJH &( RU &( 3LQ 2XWSXW 9ROWDJH 2XWSXW &XUUHQW 3RZHU 'LVVLSDWLRQ 2SHUDWLQJ 7HPSHUDWXUH 5DQJH 6WRUDJH 7HPSHUDWXUH 5DQJH Rating   a 9,1  a 9,1     a   a  Unit 9 9 9 P$ P: °& °& 3 R1121N ELECTRICAL CHARACTERISTICS • R1121Nxx1A Symbol 9287 ,287 ∆9287∆,287 9',) ,66 ,VWDQGE\ ∆9287∆9,1 55 9,1 ∆9287∆7 ,OLP 538 9&(+ 9&(/ HQ Item 2XWSXW 9ROWDJH 2XWSXW &XUUHQW /RDG 5HJXODWLRQ 'URSRXW 9ROWDJH 6XSSO\ &XUUHQW 6XSSO\ &XUUHQW 6WDQGE\ /LQH 5HJXODWLRQ 5LSSOH 5HMHFWLRQ ,QSXW 9ROWDJH 2XWSXW 9ROWDJH 7HPSHUDWXUH &RHIILFLHQW 6KRUW &XUUHQW /LPLW CE 3XOOXS 5HVLVWDQFH CE ,QSXW 9ROWDJH ´+µ 7RSW Conditions 9,1 6HW 9287 9 P$ ≤ ,287 ≤ P$ 92/7$*( 9,1 6HW 9287 9 P$ ≤ ,287 ≤ P$ 92/7$*( 9,1 9,1 ,287 I 9,1 6HW 9287 9 9&( P$ N+] 5LSSOH 9SS 6HW 9287 9  ,287 9287 P$ 9    %: +] a N+]  °& ≤ 7RSW ≤ °& ±    9,1  6HW 9287 9           Min. 9287 × Typ. Max. 9287 × °& Unit 9 UHIHU WR WKH (/(&75,&$/ &+$5$&7(5,67,&6 E\ 287387 P9 UHIHU WR WKH (/(&75,&$/ &+$5$&7(5,67,&6 E\ 287387 µ$ µ$ 9 G% 9 SSP °& P$ 0Ω 9 9 µ9UPV 6HW 9287 9 ≤ 9,1 ≤ 9 µ CE ,QSXW 9ROWDJH ´/ 2XWSXW 1RLVH 4 R1121N • R1121Nxx1B Symbol 9287 ,287 ∆9287∆,287 9',) ,66 ,VWDQGE\ ∆9287∆9,1 55 9,1 ∆9287∆7 ,OLP 53' 9&(+ 9&(/ HQ Item 2XWSXW 9ROWDJH 2XWSXW &XUUHQW /RDG 5HJXODWLRQ 'URSRXW 9ROWDJH 6XSSO\ &XUUHQW 6XSSO\ &XUUHQW 6WDQGE\ /LQH 5HJXODWLRQ 5LSSOH 5HMHFWLRQ ,QSXW 9ROWDJH 2XWSXW 9ROWDJH 7HPSHUDWXUH &RHIILFLHQW 6KRUW &XUUHQW /LPLW &( 3XOOGRZQ 5HVLVWDQFH &( ,QSXW 9ROWDJH ´+µ &( ,QSXW 9ROWDJH ´/ µ 2XWSXW 1RLVH %: +] a N+] ,287 9287 P$ 9     °& ≤ 7RSW ≤ °& 9,1 Conditions 6HW 9287 9 P$ ≤ ,287 ≤ P$ 92/7$*( 9,1 6HW 9287 9 P$ ≤ ,287 ≤ P$ 92/7$*( 9,1 9,1 9&( ,287 I 9,1 6HW 9287 9 6HW 9287 9 *1' P$ N+] 5LSSOH 9SS 6HW 9287 9  ±    9,1            Min. 9287 × Typ. Max. 9287 7RSW °& Unit 9 × UHIHU WR WKH (/(&75,&$/ &+$5$&7(5,67,&6 E\ 287387 P9 UHIHU WR WKH (/(&75,&$/ &+$5$&7(5,67,&6 E\ 287387 µ$ µ$ 9 G% 9 SSP °& P$ 0Ω 9 9 µ9UPV 6HW 9287 9 ≤ 9,1 ≤ 9 5 R1121N • ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE 7RSW Output Current Output Voltage VOUT (V)  ≤ 9287 ≤   ≤ 9287 ≤  9,1  9287 IOUT (mA) Conditions 9 Min.   7RSW Dropout Voltage Output Voltage VOUT (V) Conditions     ≤ 9287 ≤   ≤ 9287 ≤   ≤ 9287 ≤   ≤ 9287 ≤   ≤ 9287 ≤  ,287 P$ VDIF (V) Min.              Typ. Max. °& °& 1RWH :KHQ VHW 2XWSXW 9ROWDJH LV HTXDO RU OHVV WKDQ 9 9,1 VKRXOG EH HTXDO RU PRUH WKDQ 9  OPERATION R1121Nxx1A R1121Nxx1B 3 VDD 1 VOUT 3 VDD 1 VOUT R1 Vref CE 4 Current Limit R2 GND CE 4 Vref Current Limit R1 R2 GND 2 2 ,Q WKHVH ,&V IOXFWXDWLRQ RI WKH RXWSXW YROWDJH 9287 LV GHWHFWHG E\ IHHGEDFN UHJLVWHUV 5 DQG 5 DQG WKH UH VXOW LV FRPSDUHG ZLWK D UHIHUHQFH YROWDJH E\ WKH HUURU DPSOLILHU VR WKDW D FRQVWDQW YROWDJH LV RXWSXW $ FXUUHQW OLPLW FLUFXLW IRU SURWHFWLRQ DW VKRUW PRGH DQG D FKLS HQDEOH FLUFXLW DUH LQFOXGHG 6 R1121N TEST CIRCUITS CE CE 4 4 IN VDD 3 VOUT R1121Nxx1B Series 1 IN OUT VDD 3 VOUT R1121Nxx1B Series 1 OUT ISS IOUT 2.2µF 2 0.1µF GND 2.2µF 2 0.1µF GND Standard test Circuit Supply current Test Circuit Fig.1 Standard test Circuit CE 4 Fig.2 Supply Current Test Circuit CE 4 IN VDD 3 VOUT R1121Nxx1B Series 1 OUT IN IOUT VDD 3 VOUT R1121Nxx1B Series 1 OUT P.G 2 GND 2 1µF GND I1 I2 Ripple Rejection, Line Transient Response Test Circuit Load Transient Response Test Circuit Fig.3 Ripple Rejection, Line Transient Response Test Circuit Fig.4 Load Transient Response Test Circuit 7 R1121N TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current R1121N181B Topt = 25°C 2.0 1.8 2.8V R1121N301B Topt = 25°C 3.5 5.0V 3.0 Output Voltage VOUT (V) Output Voltage VOUT (V) 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 3.8V 4.0V 2.5 2.0 3.5V 1.5 VIN = 3.3V 1.0 0.5 0.0 2.3V VIN = 2.1V 100 200 300 400 Output Current IOUT (mA) 500 0 100 200 300 400 Output Current IOUT (mA) 500 R1121N401B Topt = 25°C 5.0 4.5 Output Voltage VOUT (V) 6.0 5.0 R1121N501B Topt = 25°C 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 100 6.0V 5.0V 4.5V VIN = 4.3V Output Voltage VOUT (V) 4.0 7.0V 6.0V 5.5V 4.0 3.0 2.0 VIN = 5.3V 1.0 0.0 200 300 400 Output Current IOUT (mA) 500 0 100 200 300 400 Output Current IOUT (mA) 500 2) Output Voltage vs. Input Voltage R1121N181B Topt = 25°C 2.0 1.9 Output Voltage VOUT (V) R1121N301B Topt = 25°C 3.1 IOUT=1mA Output Voltage VOUT (V) IOUT = 1mA 1.8 1.7 1.6 1.5 1.4 30mA 1.3 50mA 1.2 1.0 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 3.0 2.9 2.8 2.7 30mA 2.6 2.5 2.0 50mA 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 8 R1121N R1121N401B Topt = 25°C 4.5 IOUT = 1mA OUtput Voltage VOUT (V) R1121N501B Topt = 25°C 5.5 5.0 4.0 Output Voltage VOUT (V) IOUT = 1mA 4.5 4.0 3.5 30mA 3.0 50mA 2.5 2.0 3.5 30mA 3.0 50mA 2.5 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 3) Dropout Voltage vs. Output Current R1121N181B 1.20 1.00 Dropout Voltage VDIF (V) R1121N301B 0.40 0.35 Dropout Voltage VDIF (V) Topt = 85°C 25°C Topt = 85°C 0.80 0.60 0.40 -40°C 0.20 0.00 0 50 100 Output Current IOUT (mA) 150 25°C 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 50 100 Output Current IOUT (mA) 150 -40°C R1121N401B 0.40 0.35 R1121N501B 0.40 0.35 Dropout Voltage VDIF (V) Dropout Voltage VDIF (V) 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 50 100 Output Current IOUT (mA) 150 -40°C Topt = 85°C 25°C 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 50 100 Output Current IOUT (mA) 150 -40°C Topt = 85°C 25°C 9 R1121N 4) Output Voltage vs. Temperature R1121N181B 1.90 1.88 Output Voltage VOUT (V) R1121N301B VIN = 2.8V IOUT = 30mA 3.10 3.08 VIN = 4.0V IOUT = 30mA 1.84 1.82 1.80 1.78 1.76 1.74 1.72 1.70 -50 -25 0 25 50 Temperature Topt (°C) 75 100 Output Voltage VOUT (V) 1.86 3.06 3.04 3.02 3.00 2.98 2.96 2.94 2.92 2.90 -50 -25 0 25 50 Temperature Topt (°C) 75 100 R1121N401B VIN = 5.0V IOUT = 30mA 4.10 4.08 Output Voltage VOUT (V) Output Voltage VOUT (V) 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 R1121N501B VIN = 6.0V IOUT = 30mA 4.06 4.04 4.02 4.00 3.98 3.96 3.94 3.92 3.90 -50 -25 0 25 50 Temperature Topt (°C) 75 100 4.90 -50 -25 0 25 50 Tempareture Topt (°C) 75 100 5) Supply Current vs. Input Voltage R1121N181B Topt = 25°C 60 50 60 50 Supply Current ISS (µA) R1121N301B Topt = 25°C Supply Current ISS (µA) 40 30 20 10 0 1.0 40 30 20 10 0 1.0 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 10 R1121N R1121N401B Topt = 25°C 60 50 60 50 R1121N501B Topt = 25°C Supply Current ISS (µA) 40 30 20 10 0 1.0 Supply Current ISS (µA) 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 40 30 20 10 0 1.0 2.0 3.0 4.0 5.0 6.0 Input Voltage VIN (V) 7.0 8.0 6) Supply Current vs. Temperature R1121N181B VIN = 2.8V 50 45 50 45 R1121N301B VIN = 4.0V Supply Current ISS (µA) Supply Current ISS (µA) 40 35 30 25 20 -50 40 35 30 25 20 -50 0 50 Temperature Topt (°C) 100 0 50 Temperature Topt (°C) 100 R1121N401B VIN = 5.0V 50 45 40 35 30 25 20 -50 50 45 R1121N501B VIN = 6.0V Supply Current ISS (µA) 0 50 Temperature Topt (°C) 100 Supply Current ISS (µA) 40 35 30 25 20 -50 0 50 Temperature Topt (°C) 100 11 R1121N 7) Dropout Voltage vs. Set Output Voltage R1121Nxx1B Topt = 25°C 1.0 0.9 Dropout Voltage VDIF (V) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1.0 IOUT = 150mA IOUT = 100mA IOUT = 50mA IOUT = 30mA IOUT = 10mA 2.0 3.0 4.0 Set Output Voltage Vreg (V) 5.0 8) Ripple Rejection vs. Frequency R1121N181B VIN = 2.8VDC + 0.5Vp-p COUT = tantal 1.0µF 80 80 70 R1121N181B VIN = 2.8VDC + 0.5Vp-p COUT = tantal 2.2µF Ripple Rejection RR (dB) Ripple Rejection RR (dB) 70 60 50 40 30 20 10 0 0.1 1 10 Frequency f (kHz) 100 IOUT = 50mA IOUT = 1mA IOUT = 30mA 60 50 40 30 20 10 0 0.1 1 10 100 Frequency f (kHz) IOUT = 50mA IOUT= 1mA IOUT = 30mA R1121N301B VIN = 4.0VDC + 0.5Vp-p COUT = tantal 1.0µF 80 R1121N301B VIN = 4.0VDC + 0.5Vp-p COUT = tantal 2.2µF 80 70 Ripple Rejection RR (dB) 70 Ripple Rejection RR (dB) 60 50 40 30 20 10 0 0.1 1 10 Frequency f (kHz) 100 IOUT = 50mA IOUT = 1mA IOUT = 30mA 60 50 40 30 20 10 0 0.1 1 10 100 Frequency f (kHz) IOUT = 50mA IOUT = 1mA IOUT = 30mA 12 R1121N R1121N401B VIN = 5.0VDC + 0.5Vp-p COUT = tantal 1.0µF 80 R1121N401B VIN = 5.0VDC + 0.5Vp-p COUT = tantal 2.2µF 80 70 Ripple Rejection RR (dB) Ripple Rejection RR (dB) 70 60 50 40 30 20 10 0 0.1 1 10 Frequency f (kHz) 100 IOUT = 50mA IOUT= 1mA IOUT = 30mA 60 50 40 30 20 10 0 0.1 1 10 100 Frequency f (kHz) IOUT = 50mA IOUT = 1mA IOUT = 30mA 9) Ripple Rejection vs. Input Voltage (DC bias) R1121N301B IOUT = 1mA COUT = 2.2µF 80 Ripple Rejection RR (dB) Ripple Rejection RR (dB) R1121N301B IOUT = 10mA COUT = 2.2µF 80 70 60 50 40 30 20 10 0 3.1 3.2 f = 1kHz f = 10kHz 3.3 3.4 Input Voltage VIN (V) 3.5 f = 400Hz 70 60 50 40 30 20 10 0 3.1 3.2 3.3 3.4 Input Voltage VIN (V) 3.5 f = 1kHz f = 10kHz f = 400Hz R1121N301B IOUT = 50mA COUT = 2.2µF 80 70 f = 400Hz f = 1kHz f = 10kHz Ripple Rejection RR (dB) 60 50 40 30 20 10 0 3.1 3.2 3.3 Input Voltage VIN (V) 3.4 3.5 13 R1121N 10) Line Transient Response R1121N301B IOUT=30mA tr=tf=5 µs COUT=Tantalum 1.0µF 3.4 6 OUtput Voltage VOUT (V) Input Voltage 3.2 3.1 3.0 2.9 2.8 0 20 40 60 TIme t (µs) 80 100 120 Output Voltage 4 3 2 1 0 R1121N301B IOUT=30mA tr=tf=5 µs COUT=Tantalum 2.2µF 3.4 6 Output Voltage VOUT (V) Input Voltage 3.2 3.1 3.0 2.9 2.8 0 20 40 60 Time t (µs) 80 100 120 Output Voltage 4 3 2 1 0 R1121N301B IOUT=30mA tr=tf=5 µs COUT=Tantalum 6.8µF 3.4 6 Output Voltage VOUT (V) Input Voltage 3.2 3.1 Output Voltage 3.0 2.9 2.8 0 20 40 60 Time t (µs) 80 100 120 2 1 0 4 3 14 Input Voltage VIN (V) 3.3 5 Input Voltage VIN (V) 3.3 5 Input Voltage VIN (V) 3.3 5 R1121N 11) Load Transient Response R1121N301B VIN=4V CIN=Tantalum 1µF COUT=Tantalum 1.0µF 3.4 150 100 Output Voltage VOUT (V) 3.3 Output Current 3.2 3.1 3.0 2.9 2.8 0 2 4 6 8 10 12 Time t (µs) 14 16 18 20 50 0 Output Voltage -50 -100 -150 R1121N301B VIN=4V CIN=Tantalum 1µF COUT=Tantalum 2.2µF 3.4 150 100 Output Voltage VOUT (V) 3.3 Output Current 3.2 3.1 Output Voltage 3.0 2.9 2.8 0 2 4 6 8 10 12 Time t (µs) 14 16 18 20 50 0 -50 -100 -150 R1121N301B VIN=4V CIN=Tantalum 1µF COUT=Tantalum 6.8µF 3.4 150 100 Output Voltage VOUT (V) 3.3 Output Current 3.2 3.1 3.0 2.9 2.8 0 2 4 6 8 10 12 Time t (µs) 14 16 18 20 50 0 Output Voltage -50 -100 -150 Output Current IOUT (mA) Output Current IOUT (mA) Output Current IOUT (mA) 15 R1121N TECHNICAL NOTES :KHQ XVLQJ WKHVH ,&V EH VXUH WR FRQVLGHU IROORZLQJ SRLQWV • ,Q WKHVH ,&V SKDVH FRPSHQVDWLRQ LV PDGH IRU VHFXULQJ VWDEOH RSHUDWLRQ HYHQ LI WKH ORDG FXUUHQW LV YDULHG )RU WKLV SXUSRVH EH VXUH WR XVH D FDSDFLWRU &287 ZLWK JRRG IUHTXHQF\ FKDUDFWHULVWLFV DQG (65 (TXLYDOHQW 6HULHV 5HVLV WDQFH LQ WKH UDQJH GHVFULEHG DV IROORZV 4 CE 1 Ceramic Capacitor ESR Iout Ceramic Capacitor 1µF Spectrum S.A. Analyzer Vout R1121N301B 3 Vin Vin 2 GND Measuring Circuit for white noise ; R1121N301B 7KH UHODWLRQVKLS EHWZHHQ ,287 RXWSXW FXUUHQW DQG (65 RI RXWSXW FDSDFLWRU LV VKRZQ LQ WKH JUDSKV EHORZ 7KH FRQ GLWLRQV ZKHQ WKH ZKLWH QRLVH OHYHO LV XQGHU µ9 $YJ DUH LQGLFDWHG E\ WKH KDWFKHG DUHD LQ WKH JUDSK QRWH :KHQ WKH DGGLWLRQDO FHUDPLF FDSDFLWRUV DUH FRQQHFWHG WR WKH RXWSXW SLQ ZLWK RXWSXW FDSDFLWRU IRU SKDVH FRPSHQ VDWLRQ WKH RSHUDWLRQ PLJKW EH XQVWDEOH %HFDXVH RI WKLV WHVW WKHVH ,&V ZLWK WKH VDPH H[WHUQDO FRPSRQHQWV DV WKH RQHV WR EH XVHG RQ WKH 3&% PHDVXULQJ FRQGLWLRQV!    9,1 9 )UHTXHQF\ EDQG +] WR 0+] 7HPSHUDWXUH  °& R1121N301B Ceramic 1.0µF 100.0 100.0 R1121N301B Ceramic 2.2µF 10.0 ESR (Ω) ESR (Ω) 10.0 1.0 1.0 0.1 0 50 100 150 Output Current IOUT (mA) 0.1 0 50 100 Output Current IOUT (mA) 150 16 R1121N • 0DNH 9'' DQG *1' OLQHV VXIILFLHQW ,I WKHLU LPSHGDQFH LV KLJK QRLVH SLFNXS RU LQFRUUHFW RSHUDWLRQ PD\ UHVXOW • &RQQHFW WKH FDSDFLWRU ZLWK D FDSDFLWDQFH RI µ) RU PRUH EHWZHHQ 9'' DQG *1' DV FORVH DV SRVVLEOH • 6HW H[WHUQDO FRPSRQHQWV HVSHFLDOO\ RXWSXW FDSDFLWRU DV FORVH DV SRVVLEOH WR WKH ,&V DQG PDNH ZLULQJ DV VKRUW DV SRVVLEOH TYPICAL APPLICATION CE CE IN VDD R1121Nxx1A VOUT OUT IN VDD R1121Nxx1B VOUT OUT Cap. GND Cap. Cap. GND Cap. 17