INA121UA/2K5

FET 输入,低功耗仪表放大器

DESCRIPON

The INA121 is a FET-input, low power instrumentation amplifier offering excellent accuracy. Its versatile three-op amp design and very small size make it ideal for a variety of general purpose applications. Low bias current ±4pA allows use with high impedance sources.

FEATURES

●LOW BIAS CURRENT: ±4pA

●LOW QUIESCENT CURRENT: ±450µA

●LOW INPUT OFFSET VOLTAGE: ±200µV

●LOW INPUT OFFSET DRIFT: ±2µV/°C

●LOW INPUT NOISE: 20nV/√Hz at f = 1kHz G =100

●HIGH CMR: 106dB

●WIDE SUPPLY RANGE: ±2.25V to ±18V

●LOW NONLINEARITY ERROR: 0.001% max

●INPUT PROTECTION TO ±40V

●8-PIN DIP AND SO-8 SURFACE MOUNT

APPLICATIONS

●LOW-LEVEL TRANSDUCER AMPLIFIERS Bridge, RTD, Thermocouple

●PHYSIOLOGICAL AMPLIFIERS ECG, EEG, EMG, Respiratory

●HIGH IMPEDANCE TRANSDUCERS

●CAPACITIVE SENSORS

●MULTI-CHANNEL DATA ACQUISITION

●PORTABLE, BATTERY OPERATED SYSTEMS

●GENERAL PURPOSE INSTRUMENTATION