AD1835 is a 2 ADC, 8 DAC, 96 kHz, 24-Bit �-� Codec produced by Analog Devices. Supports a variety of digital interfaces, supports 16-/20-/24-Bit Word Lengths, supports 256 � fS, 512 � fS, and 768 � fS Master Mode Clocks, supports Power-Down Mode Plus Soft Power-Down Mode.
The document describes the AD1835, a high-performance single-chip audio codec designed for 5 V stereo audio systems with a 3.3 V tolerant digital interface. It features four stereo Digital-to-Analog Converters (DACs) and one stereo Analog-to-Digital Converter (ADC), supporting sample rates up to 96 kHz or 192 kHz on specific channels.
The device includes an on-chip reference, flexible serial data ports compatible with various DSP chips and receivers, and control via an SPI-compatible port. It is available in a 52-lead MQFP plastic package and is specified for the industrial temperature range of –40°C to +85°C.
| ADC Resolution | 24 Bits |
|---|---|
| DAC Resolution | 24 Bits |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 52-Lead MQFP |
The device supports up to 96 kHz sample rates, with a 192 kHz sample rate available on one DAC.
Yes, it features a separate supply pin for its digital interface that allows interfacing to devices using 3.3 V power supplies.
The AD1835 contains an on-chip reference with a nominal value of 2.25 V.