FEATURES
DESIGNED FOR LOW COST
HIGH GAIN ACCURACY: G = 5, 0.07%, 2ppm/°C
GAIN SET WITH EXT. RESISTORS FOR > 5V/V
HIGH CMRR: 73dB DC, 50dB at 45kHz
LOW BIAS CURRENT: 0.5pA
BANDWIDTH, SLEW RATE: 2.0MHz, 5V/μs
RAIL-TO-RAIL OUTPUT SWING: (V+) – 0.02V
WIDE TEMPERATURE RANGE: –55°C to +125°C
LOW QUIESCENT CURRENT: 490μA max/chan
SHUTDOWN: 0.01μA
MSOP-8 SINGLE AND TSSOP-14 DUAL PACKAGES

APPLICATIONS
INDUSTRIAL SENSOR AMPLIFIERS:
Bridge, RTD, Thermocouple, Position
PHYSIOLOGICAL AMPLIFIERS: ECG, EEG, EMG
A/D CONVERTER SIGNAL CONDITIONING
DIFFERENTIAL LINE RECEIVERS WITH GAIN
FIELD UTILITY METERS
PCMCIA CARDS
AUDIO AMPLIFIERS
COMMUNICATION SYSTEMS
TEST EQUIPMENT
AUTOMOTIVE INSTRUMENTATION

DESCRIPTION
The INA332 and INA2332 are rail-to-rail output, low-power
CMOS instrumentation amplifiers that offer wide range, singlesupply,
and bipolar-supply operation. Using a special manufacturing
flow, the INA332 family provides the lowest cost
available, while still achieving low-noise amplification of differential
signals with low quiescent current of 415μA (dropping
to 0.01μA when shut down). Returning to normal operation
within microseconds, this INA can be used for battery or
multichannel applications.
Configured internally in a gain of 5V/V, the INA332 offers
flexibility in higher gains by choosing external resistors.
The INA332 rejects line noise and its harmonics because
common-mode error remains low even at higher frequencies.
High bandwidth and slew rate make the INA332 ideal for
directly driving sampling Analog-to-Digital (A/D) converters
as well as general-purpose applications.
With high precision, low cost, and small packages, the
INA332 outperforms discrete designs.
Additionally, because they are specified for a wide temperature
range of –55°C to +125°C, the INA332 family can be
used in demanding environments.