# ADR520/ADR525/ADR530/ADR540/ADR550: High Precision Shunt Voltage References

## General Description
* Ultrasmall SC70 and SOT-23-3 packages
* Designed for space-critical applications
* Eliminates need for external capacitor
* Voltage output options: 2.048V, 2.5V, 3.0V, 4.096V

## Electrical Characteristics (Typical Values)
* **Initial Accuracy:** Grade A ±0.4%, Grade B ±0.2%
* **Temperature Coefficient (TCVO):** Grade A 25-70 ppm/°C, Grade B 15-40 ppm/°C
* **Dynamic Output Impedance:** ~0.2 Ω
* **Minimum Operating Current:** 50 μA
* **Voltage Noise:** 14-30 μV p-p (depending on voltage)
* **Turn-On Settling Time:** 2 μs

## Key Features
* Low voltage noise
* Fast turn-on settling time
* Guaranteed by design (not production tested)