Packaging information
| Package | Pins SOT-23 (DBV) | 5 |
| Operating temperature range (°C) -40 to 125 |
| Package qty | Carrier 250 | SMALL T&R |
Features for the OPA145
- Best bandwidth and slew-rate-to-power ratio:
- gain-bandwidth product: 5.5 MHz
- Slew rate: 20 V/µs
- Low supply current: 475 µA (maximum)
- High precision:
- Very low offset: 150 µV (maximum)
- Very low offset drift: 1 µV/°C (maximum)
- Low input bias current: 2 pA
- Excellent noise performance:
- Very low voltage noise: 7 nV/√Hz
- Very low current noise: 0.8 fA/√ Hz
- Input-voltage range includes V– supply
- Single-supply operation: 4.5 V to 36 V
- Dual-supply operation: ±2.25 V to ±18 V
Description for the OPA145
The OPA145 and OPA2145 (OPAx145) devices are part of a family of low-power JFET input amplifier that have excellent drift, low current noise, and pico-ampere input bias current. These features make the OPAx145 an excellent choice for amplifying small signals from high-impedance sensors.
The rail-to-rail output swing interfaces to modern, single-supply, precision, analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). In addition, the input range that includes V– allows designers to simplify power management and take advantage of the single-supply, low-noise JFET architecture.