This document describes the specifications of the AD7112, including accuracy, resolution, attenuation ranges, and other characteristics.
The AD7112 is a dual 17‑bit R‑2R CMOS multiplying D/A converter designed for high‑resolution attenuation control. It offers selectable step sizes from 0.375 dB to 6 dB and operates from a 5 V supply.
The document includes detailed electrical specifications, absolute maximum ratings, timing parameters, pin configurations, circuit descriptions, logic interface information, microprocessor interfacing examples, and typical application circuits such as automatic gain control.
| Input Resistance | Typically 12 kΩ |
|---|---|
| Supply Current | 2 mA max |
| Operating Temperature Range | –40 °C to +85 °C |
VDD to AGND or DGND may not exceed –0.3 V to +7 V.