The AD8603/AD8607/AD8609 are single/dual/quad micro- power rail-to-rail input and output amplifiers, respectively, that feature very low offset voltage as well as low input voltage and current noise. These amplifiers use a patented trimming technique that achieves superior precision without laser trimming. The parts are fully specified to operate from 1.8 V to 5.0 V single supply
The AD8603/AD8607/AD8609 are single‑, dual‑ and quad‑channel micropower rail‑to‑rail input/output operational amplifiers offering low offset voltage, low input bias current, low noise and low supply current. They operate from 1.8 V to 5 V single‑supply or ±0.9 V to ±2.5 V dual‑supply, making them suitable for battery‑powered instrumentation, sensor interfaces and low‑power ASICs.
The document provides detailed specifications, pin configurations for each package, absolute maximum ratings, typical performance curves, application notes, and an ordering guide for the various TSOT, MSOP, SOIC and TSSOP package options.
| Offset Voltage (typical) | 50 µV |
|---|---|
| Input Bias Current (typical) | 1 pA |
| Supply Current per Amplifier (typical) | 50 µA |
| Power Supply Rejection Ratio (typical) | 80 dB |
The typical offset voltage is 50 µV.
It operates from 1.8 V to 5 V on a single supply or ±0.9 V to ±2.5 V on a dual supply.
Each amplifier draws about 50 µA of supply current.
The PSRR is typically 80 dB over the specified supply range.