TEXAS INSTRUMENTS INA117P Differential Amplifier, 200kHz
Precision TI INA117P differential amplifier. Measures small signals with ±200V common-mode range, 200kHz bandwidth. For automation & control.
The TEXAS INSTRUMENTS INA117P is a precision unity-gain difference amplifier engineered for applications requiring measurement of small differential voltages in the presence of extremely high common-mode signals. This single monolithic IC integrates a high-precision operational amplifier with a thin-film resistor network, offering exceptional accuracy and reliability.
A key feature is its very high common-mode input voltage range of ±200V, allowing it to perform accurate measurements where other amplifiers would fail. The inputs are robustly protected, withstanding momentary common-mode or differential overloads up to ±500V. This makes the INA117P an excellent, cost-effective alternative to isolation amplifiers in many scenarios where galvanic isolation is not strictly necessary, thereby eliminating the need for expensive isolated power supplies and their associated noise, ripple, and quiescent current.
Performance and Specifications
The amplifier delivers superior performance with a maximum nonlinearity of just 0.001% and a bandwidth of 200kHz, outperforming many conventional isolation amplifiers. It ensures precise signal integrity with a maximum gain error of 0.02% and a high minimum common-mode rejection ratio (CMRR) of 86dB.
Key Applications
Ideal for sophisticated electronic systems, the INA117P is perfectly suited for power management solutions, industrial automation, and precision process control systems. Its through-hole DIP package facilitates easy integration into prototype boards and final designs, offering a reliable building block for accurate differential signal conditioning.
Technical Details
- Number of Amplifiers: 1
- Gain Bandwidth Product: 200kHz
- Slew Rate: 2.6V/µs
- Supply Voltage Range: ±5V to ±18V
- IC Package / Case: 8-Pin DIP
- Mounting Type: Through Hole
- Input Offset Voltage: 1mV
- Operating T:
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