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| VA7021_100-1.41_Ch www..com VA7021 V1.41 2006-03-22 www.vimicro.com Page 1 of 13 VA7021_100-1.41_Ch 1. .............................................................. 3 2. .............................................................. 3 3. .............................................................. 3 4. .......................................................... 3 www..com 5. .......................................................... 4 6. .......................................................... 4 7. .......................................................... 4 8. .......................................................... 5 9 ........................................................... 5 10. ......................................................... 6 10.1 10.2 10.3 10.4 10.5 10.6 ........................................................................................................................................................................... 6 ....................................................................................................................................................... 6 /.......................................................................................................................................... 7 /...................................................................................................................................... 7 ....................................................................................................................................................... 7 0V ............................................................................................................................................................. 7 11..................................................... 9 11.1 .................................................................................. 9 11.2 ................................................................................ 10 11.3 / ............................................................................................11 13.................................................. 12 14. ...................................................... 12 15. ........................................................ 13 www.vimicro.com Page 2 of 13 VA7021_100-1.41_Ch 1. / www..com/ VA7021 VDD VOCVOD VM VECI VEDIVA7021 COUTDOUT N-MOSQ1 N-MOSQ2 VA7021 VDDVM/ /COUT/DOUT Q1/Q2 / VA7021 COUT/DOUT Q1/Q2 VA7021 / / // / 0V-/ SO23-5 SOT23-6 2. 3. VA7021 4. V DD V SS + + 0V / VM + C OUT D OUT VM 1 VA7021 www.vimicro.com Page 3 of 13 VA7021_100-1.41_Ch 5. VA7021 VA7021GD www..com SOT23-6 SOT23-5 SOT23-6 4.325V 4.325V 4.275V DBA1 DBA2 NBA1 4.2V 4.45V 10mV VOCTYPVOCTYP0.4V 50mV 2.3V 3.0V 20mV VA7021LV VA7021 4.325V 4.075V 2.5V 2.9V 0.15V -0.15V 250ms 20ms 12ms 16ms VA7021LV 4.275V 4.043V 2.5V 2.9V 0.15V -0.15V 250ms 20ms 8ms 8ms VOCTYP VOCRTYP VODTYP VODRTYP VEDITYP VECITYP tOCTYP tODTYP tEDITYP tECITYP 0V VODTYPVODTYP0.7V 100mV 0.05V 0.3V 10mV -0.10V-0.15V-0.20V 75ms250ms1s5s 10ms20ms 6ms12ms 8ms16ms1s 6. DOUT 1 VM 2 COUT 3 VA7021 SOT23-6 () 6 VSS 5 VDD 4 NC VM 1 VDD 2 VSS 3 VA7021 SOT23-5 () 5 COUT 4 DOUT 7. 2 VA7021 A25 VDD ...............................................................0.3V12V PDT VMCOUT...............................VDD15VVDD0.3V TA ............................................................... 4085 ...........................................................................................150 .....................................................................65150 SOT23-5 JA=TBD/W..................................TBDmW S0T23-6 JA=150/W....................................800 mW 10 ..........................................................300 ESD ................................................................ 2kV www.vimicro.com Page 4 of 13 VA7021_100-1.41_Ch 8. VDD3.6V""40TA85"" TA25 TA25 0V 0V www..com VDD VST VDDVM 1 VDDVSS VDD VDDVM4V R1100 2 R1100 2 0.6 VOCTYP0.050 VOCTYP0.050 VOCRTYP0.050 VDD3.6V4.4V 0.7xtOCTYP VODTYP0.050 VODTYP0.080 VODRTYP0.050 VODRTYP0.080 VDD3.6V2.0V 0.7xtODTYP VEDITYP0.020 0.7xtEDITYP 6 VDD1.4 VECITYP0.020 0.7xtECITYP 6 VDD1.8VVM0V VDDVM3.5V VDD4.4VICOUTIDOUT50A VDD2.0VICOUTIDOUT50A IDD IPDWN VDD 3.9V VDD2.0V VDD0.4 100 100 1.0 VOCTYP VOCTYP VOCRTYP tOCTYP VODTYP VODTYP VODTYP VODTYP tODTYP VEDITYP TEDITYP 10 VDD1.1 5 VECITYP TECITYP 10 300 200 0.2 VDD0.2 1 2 0.1 1.5 10 1.5 V V 0V 0V VNOCHG VA7021lv VOC VOC VOCR tOC VOD 1.4 VOCTYP0.050 VOCTYP0.025 VOCRTYP0.050 1.3xtOCTYP VODTYP0.050 VODTYP0.080 VODRTYP0.050 VODRTYP0.080 1.3xtODTYP VEDITYP0.020 1.3xtEDITYP 14 VDD0.8 50 VECITYP0.020 1.3xtECITYP 14 900 300 0.4 V V V s V V V V ms V ms ms V s V ms ms k k V V A A VMVDD VMVSS COUTDOUT COUTDOUT VODR tOD VEDI tEDI tEDIR VSHORT VM tSHORT VECI tECI tECIR RVMD RVMS 1 VSS 2 3 9 www.vimicro.com Page 5 of 13 VA7021_100-1.41_Ch DOUT VM COUT NC VDD VSS www..com SOT23-6 1 2 3 4 5 6 2 3 SOT23-5 4 1 5 I/O O I O N-MOS Q2 G / N-MOS Q1 G 0.1F POW POW 10. 3 4 + R1 100 OUTPUT VA7021 VA7021 IC1 VDD + _ Li-battery C1 0.1uF VSS DOUT COUT VA7021 VM7021 VM R2 1k G S D D G S _ OUTPUT Q2 IRF1 Q1 IRF1 3 VA7021 VDD VOC tOCVA7021 COUTVM N-MOSQ1 "" VA7021 b VA7021 1""VDD VOCR2 Q1 VDD VOCVM VEDIQ1 VMVSS 10.1 VA7021 VDD VOC VOD VMVECI VEDICOUTDOUT N-MOSQ1 N-MOSQ2 VA7021 VDD VOC VOD VA7021 VMVSS 10.2 a www.vimicro.com Page 6 of 13 VA7021_100-1.41_Ch VA7021 COUT N-MOSQ1 VM VSHORTVA7021 VA7021 / DOUTVSS N-MOSQ2 "" VM RVMSVSS M V VSS b / M V VEDI tEDIRVA7021 VA7021 DOUT N-MOSQ2 10.3 / a VDD VOD tODVA7021 DOUT VSS N-MOSQ2 "" VA7021 www..com VM RVMDVDD VMVDD VSHORT"" VDD 0.1A 10.5 a VA7021 VM VMVEDI tECIVA7021 COUTVM N-MOSQ1 " " VA7021 b QI VM VECI tECIRVA7021 VA7021 COUT N-MOSQ1 b Q2 VA7021 VMVSHORT DOUT Q2 VM RVMD VDD VSHORTVA7021 VDDVOD VA7021 VA7021 VM VECI VDD VOD VA7021 "" VDD VODRVA7021 VA7021 DOUT N-MOSQ2 10.6 0V a0V 0V VA7021 VDDVM 0VVSTCOUT VDDN-MOSQ1 N-MOSQ2 VDDVODVA7021 COUT N-MOS 10.4 / a VA7021 VM VMVEDI tEDIVA7021 www.vimicro.com Page 7 of 13 VA7021_100-1.41_Ch b0V 0V VA7021 VDD 0V VNOCHGCOUTVM N-MOS D OUT=V SS C OUT=V DD V M V M >V SHORT V M D OUT=V SS C OUT =V DD V DD >V ODR V DD>V OD V DD V M D OUT=V DD C OUT=V DD V M >V EDIt>tEDI / D OUT=V SS C OUT=V DD V DD V M D OUT=V DD C OUT=V M "0V " 4 VA7021 www.vimicro.com Page 8 of 13 VA7021_100-1.41_Ch 11. 11.1 www..com VDD VOC VOCR VODR VOD VM VDD VSHORT VEDI VSS VECI COUT VDD tOC VSS tOC DOUT VDD tOD VSS tOD 0 5 www.vimicro.com Page 9 of 13 VA7021_100-1.41_Ch 11.2 VDD www..com VOC VOCR VODR VOD VM VDD VSHORT VEDI VSS VECI COUT VDD tOC VSS tOC DOUT VDD tOD VSS tOD 0 6 www.vimicro.com Page 10 of 13 VA7021_100-1.41_Ch 11.3 / www..com VDD VOC VOCR VODR VOD VM VDD VSHORT VEDI VSS VECI COUT VDD tECI VSS tECIR DOUT VDD tEDI VSS tEDIR tSHORT tEDIR 0 7 / www.vimicro.com Page 11 of 13 VA7021_100-1.41_Ch www..com 13. Q1 Q2 VA7021 VDD VDDR1 R1 VA7021 VDDVSS R1 200 R2 VA7021 R2 "" 500 1.3k R2 Q1 Q2 N-MOS - VGSth 0.4VVOD VGSth 0.4V Q1 "" VGSth VOD Q2 "" Q1 Q2 -VGS VDD Q1 Q2 2R1 R2 R1 100 1k R2 R1 R2 3C1 CIR1 VDDC1 0.1F 14. 7 SOT23-5 8 SOT23-6 www.vimicro.com Page 12 of 13 VA7201_100-1.4_Ch 15. www..com 3515 100083 86-10-68948888 86-10-68944075 Web: http://www.vimicro.com 6966B 201203 86-21-50807000 86-21-50807611 T2B4 518057 86-755-26719818 86-755-26719539 USA Address 1758 N. Shoreline Blvd., Mountain View, CA 94043 USA Tel: 1-650-966-1882 Fax: 1-650-966-1885 www.vimicro.com Page 13 of 13 |
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