LTC1152C 데이터 시트보기 (PDF) - Linear Technology
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LTC1152C Datasheet PDF : 8 Pages
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FEATURES
s Input Common-Mode Range Includes Both Rails
s Output Swings Rail to Rail
s Output Will Drive 1kΩ Load
s No External Components Required
s Input Offset Voltage: 10µV Max
s Input Offset Drift: 100nV/°C Max
s Minimum CMRR: 115dB
s Supply Current: 3.0mA Max
s Shutdown Pin Drops Supply Current to 5µA Max
s Output Configurable to Drive Any Capacitive Load
s Operates from 2.7V to 14V Total Supply Voltage
APPLICATI S
s Rail-to-Rail Amplifiers and Buffers
s High Resolution Data Acquisition Systems
s Supply Current Sensing in Either Rail
s Low Supply Voltage Transducer Amplifiers
s High Accuracy Instrumentation
s Single Negative Supply Operation
TYPICAL APPLICATI
Rail-to-Rail Buffer
5V
2– 7
LTC1152
6
OUT
3+
IN
4
1152 TA01
LTC1152
Rail-to-Rail Input
Rail-to-Rail Output
Zero-Drift Op Amp
DESCRIPTIO
The LTC®1152 is a high performance, low power zero-drift
op amp featuring an input stage that common modes to
both power supply rails and an output stage that provides
rail-to-rail swing, even into heavy loads. The wide input
common-mode range is achieved with a high frequency
on-board charge pump. This technique eliminates the
crossover distortion and limited CMRR imposed by com-
peting technologies. The LTC1152 is a C-LoadTM of amp,
enabling it to drive any capacitive load.
The LTC1152 shares the excellent DC performance specs
of LTC’s other zero-drift amplifiers. Typical offset voltage
is 1µV and typical offset drift is 10nV/°C. CMRR and PSRR
are 130dB and 120dB and open-loop gain is 130dB. Input
noise voltage is 2µVP-P from 0.1Hz to 10Hz. Gain-band-
width product is 0.7MHz and slew rate is 0.5V/µs, all with
supply current of 3.0mA max over temperature. The
LTC1152 also includes a shutdown feature which drops
supply current to 1µA and puts the output stage in a high
impedance state.
The LTC1152 is available in 8-pin PDIP and 8-pin SO
packages and uses the standard op amp pinout, allowing
it to be a plug-in replacement for many standard op amps.
, LTC and LT are registered trademarks of Linear Technology Corporation.
C-Load is trademark of Linear Technology Corporation.
Input and Output Waveforms
5V
VOUT
2V/DIV
0V
5V
VIN
2V/DIV
0V
1152 TA02
1
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