This document describes the Analog Devices AD9764, a 14-bit, 125 MSPS TxDAC® D/A converter. It features a high update rate, resolution, and dynamic range, making it suitable for communication transmit channels and instrumentation.
The AD9764 is a 14‑bit resolution member of Analog Devices' TxDAC family, offering a 125 MSPS update rate and differential current outputs of 2 mA to 20 mA. It features an on‑chip 1.20 V reference, edge‑triggered input latches, and operates from a single supply of 2.7 V to 5.5 V.
Designed for communication transmit paths, the device is available in 28‑lead SOIC and TSSOP packages and is specified for industrial temperature ranges. Typical applications include basestations, ADSL/HFC modems, and instrumentation.
| Resolution | 14 Bits |
|---|---|
| Supply Voltage Range (AVDD/DVDD) | 2.7 V – 5.5 V |
| Output Compliance Range | -1.0 V – 1.25 V |
| Reference Voltage | 1.20 V (typical) |
| Output Resistance | 100 kΩ |
It operates from 2.7 V to 5.5 V on both analog (AVDD) and digital (DVDD) supplies.