This document describes the features and characteristics of the AD1838 audio codec, which includes support for a 5V stereo audio system with a 3.3V tolerant digital interface, support for sample rates up to 96kHz, support for 16/20/24-bit word lengths, multibit modulators with perfect differential linearity restoration, and digital de-emphasis processing.
The AD1838 is a high-performance single-chip audio codec designed for 5 V stereo audio systems with a 3.3 V tolerant digital interface. It integrates three stereo DACs and one stereo ADC, each featuring independent volume control and clickless mute functions. The device supports sample rates up to 96 kHz, with 192 kHz available on one DAC, and offers flexible serial data port modes including I2S, Left-Justified, and DSP modes.
| Maximum Sample Rate | 96 kHz |
|---|---|
| Supply Voltage | 5 V |
| Operating Temperature Range | -40 to +85 C |
| Package Type | 52-Lead MQFP |
The device supports up to 96 kHz sample rates, with 192 kHz available on one DAC.
Yes, the flexible serial data port supports I2S compatible modes.
The ADC provides a dynamic range of 105 dB (A-Weighted) and 103 dB (No Filter).