This document describes the features and characteristics of the AD1839 2 ADC, 6 DAC, 96 kHz, 24-Bit �-� Codec, including support for multiple sample rates, word lengths, digital interfaces, and audio processing functions.
The AD1839 is a high performance single-chip codec featuring three stereo DACs and one stereo ADC. Each DAC comprises a high performance digital interpolation filter, a multibit 2-A modulator featuring Analog Devices' patented technology, and a continuous-time voltage out analog section.
The device supports up to 96 kHz sample rates with 192 kHz available on one DAC. It includes features such as data directed scrambling DACs, clickless mutes, digital de-emphasis processing, and flexible serial interfaces compatible with various DSP chips.
| DAC Resolution | 24 Bits |
|---|---|
| ADC Dynamic Range (No Filter) | 103 dB |
| DAC Dynamic Range (With A-Weighted Filter) | 108 dB |
| ADC THD+N | -95 dB |
| DAC THD+N | -92 dB |
| Supply Voltage (AVpp and DVpp) | 4.5 to 5.5 V |
| Operating Temperature Range | -40°C to +85°C |
The ADC dynamic range is 103 dB when measured from 20 Hz to 20 kHz with a -60 dB input and no filter.
Yes, it features a separate supply pin for its digital interface that allows interfacing to devices using 3.3 V power supplies.