ina188Texas Instruments' INA188 is a precision instrumentation amplifier that uses TI proprietary auto-zeroing techniques. This achieves low offset voltage, near-zero offset and gain drift, excellentPart #: INA188. Download. File Size: 1MbKbytes. Page: 37 Pages. Description: Precision, Zero-Drift, Rail-to-Rail Out, Hh-Voltage Instrumentation Amplifier.