The INA148 is a precision, low-power, unity-gain difference amplifier with a high common-mode input voltage range. It consists of a monolithic precision bipolar op amp with a thin-film resistor network.
The on-chip resistors are laser trimmed for an accurate 1V/V differential gain and high common-mode rejection. Excellent temperature tracking of the resistor network maintains high gain accuracy and common-mode rejection over temperature. The INA148 will operate on single or dual supplies.
The INA148 is available in a small SO-8 surface-mount package and it is specified for the –40°C to +85°C extended industrial temperature range.
| Number of channels | 1 |
| Vs (min) (V) | 2.7 |
| Vs (max) (V) | 36 |
| CMRR (min) (dB) | 70 |
| Common-mode input low (min) (V) | -200 |
| Common-mode input high (max) (V) | 200 |
| Input offset (±) (max) (V) | 0.005 |
| Iq (typ) (mA) | 0.6 |
| Slew rate (typ) (V/µs) | 1 |
| Voltage gain (min) (V/V) | 1 |
| Voltage gain (max) (V/V) | 1 |
| Small-signal bandwidth (typ) (Hz) | 100000 |
| Rating | Catalog |
| Operating temperature range (°C) | -55 to 125 |
| Gain drift (max) (ppm/°C) | 3 |
| Gain error (±) (max) (%) | 0.075 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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