The OPA131 series of FET-input op amps provides high performance at low cost. Single, dual, and quad versions in industry-standard pinouts allow cost-effective design options.
The OPA131 series offers excellent general-purpose performance, including low offset voltage, drift, and good dynamic characteristics.
Single, dual, and quad versions are available in DIP and SO packages. Performance grades include commercial and industrial temperature ranges.
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 9 |
| Vos (offset voltage at 25°C) (max) (mV) | 1 |
| GBW (typ) (MHz) | 4 |
| Slew rate (typ) (V/µs) | 10 |
| Rail-to-rail | No |
| Offset drift (typ) (µV/°C) | 2 |
| Iq per channel (typ) (mA) | 1.5 |
| Vn at 1 kHz (typ) (nV√Hz) | 15 |
| CMRR (typ) (dB) | 80 |
| Rating | Catalog |
| Operating temperature range (°C) | -55 to 125 |
| Input bias current (max) (pA) | 50 |
| Iout (typ) (A) | 0.025 |
| Architecture | FET |
| Input common mode headroom (to negative supply) (typ) (V) | 3 |
| Input common mode headroom (to positive supply) (typ) (V) | -1 |
| Output swing headroom (to negative supply) (typ) (V) | 2.5 |
| Output swing headroom (to positive supply) (typ) (V) | -2.5 |
| THD + N at 1 kHz (typ) (%) | 0.0008 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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