AD1953 is a 5V 3-Channel Audio DAC System digital audio decoder from Analog Devices, supports 2-Channel or 6-Channel Packed Mode, and supports up to 48kHz sampling rate.
The AD1953 is a 26‑bit, 3‑channel digital audio playback system that integrates DSP functions for speaker equalization, compression, delay, and stereo imaging. It supports sample rates up to 48 kHz, offers differential outputs, and provides extensive programmable parameters via an SPI interface.
The document includes a functional block diagram, full pin‑out table, electrical specifications, timing diagrams, and typical performance plots. An ordering guide lists the available package options and evaluation board, while safety notes address ESD sensitivity.
| Supply Voltage (AVDD, DVDD) | 5.0 V |
|---|---|
| Word Width | 24 Bits |
| Signal‑to‑Noise Ratio (A‑Weighted) | 112 dB |
| Differential Output Range (Left/Right) | 2.72 Vp‑p |
| Input Voltage High | 21 V |
| Input Voltage Low | 0.8 V |
| Power Supply Rejection Ratio (1 kHz) | -80 dB |
| Input Clock Frequency | 12.288 MHz |
The AD1953 operates from a 5.0 V supply for both AVDD and DVDD.
The device achieves a 112 dB A‑weighted signal‑to‑noise ratio at a 48 kHz sample rate.
The AD1953 is a 3‑channel audio DAC system.
The maximum input clock frequency is 12.288 MHz.