INA122P

Overview

The INA122P is a single-supply, micropower instrumentation amplifier manufactured by Burr-Brown. It features a low-noise input stage and high common-mode rejection ratio (CMRR). The device operates on a single supply voltage ranging from 2.7V to 36V or dual supplies of ±1.35V to ±18V. It offers a wide bandwidth of 1MHz and a slew rate of 0.6V/µs. The package is a standard 8-pin DIP.

Feature Summary

• Single-supply operation capability
• Micropower consumption design
• High common-mode rejection ratio
• Low noise input stage

Applications

• Battery-powered instrumentation systems
• Medical equipment signal conditioning
• Industrial process control sensors
• Strain gauge amplification

Procurement Notes

Verify the manufacturer origin as Burr-Brown or Texas Instruments, noting that TI acquired Burr-Brown. Confirm the package type is an 8-pin DIP. Check for RoHS compliance status depending on the production batch date. Ensure the part number suffix 'P' denotes the plastic DIP package variant.

Selection Notes

Select this component when single-supply operation is required with low power constraints. It is suitable for applications needing high CMRR without complex external filtering. Compare against other micropower instrumentation amplifiers if higher bandwidth or lower noise is necessary. Consider the 8-pin DIP package for through-hole mounting requirements.

Part Context

The INA122 belongs to the Burr-Brown family of precision analog components. It is designed for general-purpose instrumentation applications where power efficiency and accuracy are critical. The device integrates a low-noise preamplifier stage with a gain-setting resistor network.