INSTRUMENTATION AMPLIFIER

The INA120 is a precision Instrumentation Amplifier ideal for accurate signal acquisition. It combines pre- cision, protected-input Operational Amplifiers laser- trimmed gain-setting resistors, and a high common- mode rejection difference Amplifier on a single chip. Simple pin-strapped connections set precise gains of 1, 10, 100 or 1000. External resistors CAN be used to set any gain from one to 5000. Gains CAN be digitally selected with an external multiplexer. Gain-sense con- nections on the INA120 maintain accuracy when using multiplexer or gain-switching circuitry. Low power dissipation and careful on-chip Thermal Management reduce warm-up drift and assure excellent long-term stability. The INA120 is available in both plastic and ceramic 18-pin DIP packages, specified for the industrial tem- perature range. By Texas Instruments