The AD8506 is a low-power amplifier from Analog Devices with high output current, low input offset current, high input impedance, low noise, high common-mode rejection ratio, which is suitable for applications requiring low power, high precision, such as pressure and position sensors, remote security, bio sensors, infrared thermometers, battery-powered consumer equipment, hazard detectors, etc.
The AD8506 is a dual operational amplifier designed for battery‑powered and sensor applications. It offers rail‑to‑rail input and output, very low supply current, low offset voltage, and excellent PSRR and CMRR performance.
The datasheet provides full electrical characteristics, absolute maximum ratings, thermal resistance data, typical performance curves, and ordering information for the 8‑lead MSOP package. It also lists recommended applications such as pressure sensors, bio‑sensors, IR thermometers, and hazard detectors.
| Supply Voltage | 5.5 V |
|---|---|
| Input Bias Current (typical) | 10 pA |
| Power Supply Rejection Ratio (PSRR) | 100 dB min |
| Common‑Mode Rejection Ratio (CMRR) | 105 dB typ |
| Peak‑to‑Peak Noise (0.1‑10 Hz) | 2.8 pV p‑p |
| Supply Current per Amplifier | < 20 µA |
| Operating Temperature Range | -40 °C to +125 °C |
| Package | 8‑Lead MSOP (RM) |
The AD8506 operates from 1.8 V up to 5.5 V single‑supply.
Each amplifier draws less than 20 µA of supply current.
The device is specified for an industrial temperature range of –40 °C to +125 °C.
The AD8506 is offered in an 8‑lead MSOP (RM) package.