The ADR318 is a precision 1.8 V band gap voltage reference designed for high accuracy, stability, and low power consumption. It features a wide operating range, low power consumption, and an additional shutdown capability, making it ideal for battery-powered applications. The device supports full Kelvin operation via a VOUT (SENSE) pin and is specified over an industrial temperature range of 0°C to 70°C in a tiny 5-lead SOT-23 package.
| Initial Accuracy | ±5 mV maximum |
|---|---|
| Initial Accuracy Error | ±0.27% maximum |
| Temperature Coefficient | 25 ppm/°C maximum |
| Load Regulation | 100 ppm/mA |
| Line Regulation | 25 ppm/V |
| Minimum Supply Voltage Headroom | 0.6 V |
| Quiescent Current | 120 μA maximum |
| Shutdown Supply Current | 3 μA maximum |
| Output Current | 5 mA |
| Operating Temperature Range | 0°C to 70°C |
| Package Type | 5-Lead SOT-23 |
The initial accuracy is ±5 mV maximum, which corresponds to an initial accuracy error of ±0.27% maximum.
The shutdown supply current is less than 3 μA maximum.
The device requires a minimum supply headroom of 0.6 V above the output voltage.
The ADR318 is specified over the industrial operating range of 0°C to 70°C.