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INA121 - FET-Input/ Low Power INSTRUMENTATION AMPLIFIER

Download the INA121 datasheet PDF. This datasheet also covers the INA121_Burr variant, as both devices belong to the same fet-input/ low power instrumentation amplifier family and are provided as variant models within a single manufacturer datasheet.

General 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.

Key Features

  • q LOW BIAS.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (INA121_Burr-BrownCorporation.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
INA122 Micropower Instrumentation Amplifier Texas Instruments
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INA128-HT Low-Power Instrumentation Amplifiers Texas Instruments
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Other Datasheets by Burr-Brown (Texas Instruments)

Part Number Description
INA120 INSTRUMENTATION AMPLIFIER
INA122 Single Supply/ MicroPower INSTRUMENTATION AMPLIFIER
INA125 INSTRUMENTATION AMPLIFIER With Precision Voltage Reference
INA126 MicroPOWER INSTRUMENTATION AMPLIFIER
INA128 Precision/ Low Power INSTRUMENTATION AMPLIFIERS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
® INA 121 INA121 INA 121 FET-Input, Low Power INSTRUMENTATION AMPLIFIER FEATURES q LOW BIAS CURRENT: ±4pA q LOW QUIESCENT CURRENT: ±450µA q LOW INPUT OFFSET VOLTAGE: ±200µV q LOW INPUT OFFSET DRIFT: ±2µV/°C q LOW INPUT NOISE: 20nV/√Hz at f = 1kHz (G =100) q HIGH CMR: 106dB q WIDE SUPPLY RANGE: ±2.25V to ±18V q LOW NONLINEARITY ERROR: 0.001% max q INPUT PROTECTION TO ±40V q 8-PIN DIP AND SO-8 SURFACE MOUNT 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. Gain can be set from 1V to 10,000V/V with a single external resistor.