DESCRIPTION
●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
