The ADR380 and ADR381 are precision 2.048 V and 2.500 V band gap voltage references featuring high accuracy, high stability, and low-power consumption.
The ADR380 and ADR381 are precision band‑gap voltage references offering 2.048 V (ADR380) or 2.500 V (ADR381) nominal outputs. They feature low temperature drift, low quiescent current, and a tiny 3‑lead SOT‑23 package, making them suitable for battery‑powered instrumentation, medical devices, data‑acquisition, and automotive applications.
The data sheet provides detailed electrical characteristics, absolute maximum ratings, ordering information, and typical performance graphs. It also includes application circuits for precision current sources and high‑current voltage sources, as well as mechanical dimensions and package drawing.
| Nominal Output Voltage | 2.048 V (ADR380) / 2.500 V (ADR381) |
|---|---|
| Initial Accuracy | +5 mV / +6 mV max |
| Temperature Coefficient | 25 ppm/°C max |
| Load Regulation | 70 ppm/mA |
| Ripple Rejection Ratio | 85 dB at 60 Hz |
| Short‑Circuit Current | 25 mA |
| Maximum Supply Voltage | 18 V |
| Package | 3‑Lead SOT‑23 (RT) |
The ADR380 provides a nominal output of 2.048 V.
The devices are rated for a supply voltage up to 18 V.
Both parts are offered in a 3‑lead SOT‑23 (RT) package.