This document describes the features and characteristics of Analog Devices AD73311, a low-cost, low-power CMOS general-purpose analog front end. The product features a 16-bit A/D and D/A converter, programmable input/output sample rates, high SNR, low group delay, etc.
The AD73311 is a low‑cost, low‑power CMOS general‑purpose analog front‑end that integrates a 16‑bit A/D converter and a 16‑bit D/A converter. It offers programmable gain, a flexible serial port that can cascade up to eight devices, and operates from a single supply of 2.7 V to 5.5 V.
The document provides functional block diagrams, detailed pin descriptions, timing characteristics, absolute maximum ratings, ordering information, and example programming sequences. It also includes performance graphs for signal‑to‑noise ratio across the voice‑band and specifications for both ADC and DAC sections.
| A/D Converter Resolution | 16‑bit |
|---|---|
| D/A Converter Resolution | 16‑bit |
| Maximum Sample Rate | 64 kS/s |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | –40 °C to +85 °C |
The ADC maximum input range is 1.578 V p‑p with a 3 V supply (3.156 V p‑p with a 5 V supply).
The serial port can connect up to eight devices in cascade.
The device operates from a single supply of 2.7 V to 5.5 V.
The AD73311 is rated for –40 °C to +85 °C operation.