The INA117 is a precision unity-gain difference amplifier with very high common-mode input voltage range. It is a single monolithic IC consisting of a precision op amp and integrated thin-film resistor network. It can accurately measure small differential voltages in the presence of common-mode signals up to ±200V. The INA117 inputs are protected from momentary common-mode or differential overloads up to ±500V.
In many applications, where galvanic isolation is not essential, the INA117 can replace isolation amplifiers. This can eliminate costly isolated input-side power supplies and their associated ripple, noise and quiescent current. The INA117x92s 0.001% nonlinearity and 200kHz bandwidth are superior to those of conventional isolation amplifiers.
The INA117 is available in 8-pin plastic mini-DIP and SO-8 surface-mount packages, specified for the x9640°C to +85°C temperature range. The metal TO-99 models are available specified for the x9640°C to +85°C and x9655°C to +125°C temperature range.
| Number of channels | 1 |
| Vs (min) (V) | 10 |
| Vs (max) (V) | 36 |
| CMRR (min) (dB) | 86 |
| Common-mode input low (min) (V) | -200 |
| Common-mode input high (max) (V) | 200 |
| Input offset (±) (max) (V) | 0.001 |
| Iq (typ) (mA) | 2 |
| Slew rate (typ) (V/µs) | 2.6 |
| Voltage gain (min) (V/V) | 1 |
| Voltage gain (max) (V/V) | 1 |
| Small-signal bandwidth (typ) (Hz) | 200000 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Gain drift (max) (ppm/°C) | 10 |
| Gain error (±) (max) (%) | 0.05 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| TO-CAN (LMC) | 8 | 80.2816 mm² 8.96 x 8.96 |
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