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LT1496CS 数据表(PDF) 16 Page - Linear Technology |
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LT1496CS 数据表(HTML) 16 Page - Linear Technology |
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16 / 16 page  16 LT1494/LT1495/LT1496 ©LINEAR TECHNOLOGY CORPORATION 1997 149456fb LT/TP 0801 1.5K REV B • PRINTED IN USA Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900 FAX: (408) 434-0507 q TELEX: 499-3977 q www.linear.com Battery Current Monitor 0nA to 200nA Current Meter TYPICAL APPLICATIONS N 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 High Side Current Sense PART NUMBER DESCRIPTION COMMENTS LTC ®1440/41/42 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 LT1490A/LT1491A 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 LT1636 Single Over-The-Top Micropower, 225 µV VOS(MAX), IS = 55µA (MAX), Gain-Bandwidth = 200kHz Rail-to-Rail Input and Output Op Amp Shutdown Pin, MSOP LT1672/LT1673/LT1674 2 µA MAX, AV ≥ 5 Single/Dual/Quad Over-The-Top Precision Decompensated Version of the LT1494/LT1495/LT1496 Rail-to-Rail Input and Output Op Amps AV ≥ 5, Gain-Bandwidth = 12kHz 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 LT1782 Micropower, Over-The-Top, SOT-23, Rail-to-Rail SOT-23, 800 µV VOS(MAX) , IS = 55µA (Max), Input and Output Op Amp Gain-Bandwidth = 200kHz, Shutdown Pin LT1783 1.2MHz, Over-The-Top, Micropower, Rail-to-Rail SOT-23, 800 µV VOS(MAX) , IS = 300µA (Max), Input and Output Op Amp in SOT-23 Gain-Bandwidth = 1.2MHz, Shutdown Pin + – LT1494 RA 1k RSENSE 1 Ω LOAD IL VS = 2.7V TO 36V 1495 TA09 RB 10k + _ VO ( ) RB RA VO = IL RS FOR RA = 1k, RB = 10k, RS = 1Ω = 10 V/A OUTPUT OFFSET ≈ IS • RB ≈ 10mV OUTPUT CLIPS AT VS – 2.4V VO IL |
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