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LT1496CS 数据表(PDF) 12 Page - Linear Technology |
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LT1496CS 数据表(HTML) 12 Page - Linear Technology |
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12 / 12 page ![]() 12 LT1495/LT1496 © LINEAR TECHNOLOGY CORPORATION 1997 14956f LT/TP 0697 5K • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900 FAX: (408) 434-0507q TELEX: 499-3977 q www.linear-tech.com Battery Current Monitor 0nA to 200nA Current Meter TYPICAL APPLICATIONS N PART NUMBER DESCRIPTION COMMENTS LTC1440/41/42 Micropower Single/Dual Comparators with 1% Reference LTC1440: Single, LTC1441/42: Dual LTC1443/44/45 Micropower Quad Comparators with 1% Reference LTC1443: 1.182 Reference LTC1444/45: 1.221V Reference and Adjustable Hysteresis LT1466/LT1467 75 µA Dual/Quad Rail-to-Rail Input and Output Op Amps 390 µV VOS(MAX), Gain Bandwidth = 120kHz LT1490/LT1491 50 µA Dual/Quad Rail-to-Rail Input and Output Op Amps 950 µV VOS(MAX), Gain Bandwidth = 200kHz LTC1540 Nanopower Single Comparator with 1% Reference 350nA Supply Current LT2078/LT2079 55 µA Dual/Quad Single Supply Op Amps 120 µV VOS(MAX), Gain Bandwidth = 200kHz LT2178/LT2179 17 µA Dual/Quad Single Supply Op Amps 120 µV VOS(MAX), Gain Bandwidth = 60kHz RELATED PARTS – + 1495 TA05 RSENSE 0.1 Ω IL CHARGE RA 2N3904 VO = IL RSENSE FOR RA = 1k, RB = 10k = 1V/A CHARGE OUT DISCHARGE OUT DISCHARGE 2N3904 RA RA RA RB RB RA VO IL RB A1 1/2 LT1495 5V 12V A2 1/2 LT1495 () – + – + µA 1495 TA06 1/2 LT1495 1/2 LT1495 100pF R1 10M R2 9k 1.5V 1.5V R3 2k FULL-SCALE ADJUST IS = 3µA WHEN IIN = 0 NO ON/OFF SWITCH REQUIRED 0 µA TO 200 µA R4 10k INPUT CURRENT 6th Order 10Hz Elliptic Lowpass Filter Filter Frequency Response FREQUENCY (Hz) 1 0 –10 –20 –30 –40 –50 –60 1000 LT1495/96 • TA04 10 100 – + 1/2 LT1495 – + 1/2 LT1495 200k 100k 10k 10nF 100k 100nF 215k 215k 215k 15nF 15nF 30nF ein 1/2 LT1495 200k 80.6k 10nF 100k 100nF 169k 169k 169k 15nF 15nF 30nF 1495 TA03 VS = 5V, 0V IS = 2µA + ein/150k ZEROS AT 50Hz AND 60Hz OUTPUT 100nF 10k 100nF |
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