AD8555 is a zero-drift, digitally programmable sensor signal amplifier. It features very low offset voltage and drift, high CMRR, digitally programmable gain and output offset voltage, etc.
The AD8555 is a zero‑drift, digitally programmable sensor signal amplifier designed for automotive, pressure, thermocouple, and strain‑gauge applications. It offers very low offset voltage, low drift, high CMRR, and programmable gain and output offset via a single‑wire serial interface.
The document provides electrical specifications, absolute maximum ratings, pin configurations, performance characteristics, fault‑detection features, programming details, filtering functions, and example circuits for capacitive sensors, along with package dimensions and ordering information.
| Input Offset Voltage | 2‑10 µV |
|---|---|
| Input Offset Voltage Drift | 25‑65 nV/°C |
| Operating Supply Voltage | 2.7 V to 5.5 V |
The AD8555 operates from a single‑supply voltage of 2.7 V to 5.5 V.
The AD8555 is offered in LFCSP‑16 and SOIC‑8 packages.