INA188ID

Overview

The INA188ID is a precision, zero-drift instrumentation amplifier manufactured by Texas Instruments. It features rail-to-rail output capability and supports high-voltage operation with a supply range of 4.5 V to 36 V. The device operates within an extended temperature range of -40°C to 125°C. Key electrical specifications include a maximum input offset voltage of 55 µV, a typical bias current of 2.5 nA, and a bandwidth of 0.6 MHz. It is housed in an 8-SOIC package.

Feature Summary

• Zero-drift architecture ensures stable performance over time and temperature variations.
• Rail-to-rail output maximizes dynamic range for single-supply applications.
• High-voltage support enables direct interfacing with various signal sources.

Applications

• Industrial process control systems
• Medical equipment signal conditioning
• Strain gauge and bridge sensor interfaces

Procurement Notes

Verify the specific suffix 'ID' corresponds to the standard SOIC-8 package configuration. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the operating environment remains within the specified -40°C to 125°C thermal limits for optimal accuracy.

Selection Notes

Select this component when high DC accuracy and low drift are critical requirements. The zero-drift technology eliminates the need for external chopper stabilization circuits. Consider the 0.6 MHz bandwidth limitation for high-speed signal processing tasks where faster amplifiers might be more appropriate.

Part Context

This part belongs to the INA188 family of precision instrumentation amplifiers. It is designed for applications requiring high common-mode rejection and precise gain settings. The ID suffix denotes the specific tube packaging and industrial temperature grade variant offered by Texas Instruments.

Replacement Considerations

INA188IDR is available as a tape-and-reel alternative from the same manufacturer. Cross-reference with other zero-drift instrumentation amplifiers if different pinouts or packaging formats are required for existing board layouts.

FAQ

What is the maximum supply voltage for the INA188ID?

The device supports a maximum supply voltage of 36 V.

Does the INA188ID feature rail-to-rail output?

Yes, it provides rail-to-rail output swing capabilities.