The document describes the features and characteristics of the AD1833A multichannel, 24-bit, 192 kHz DAC product. It supports a 5V stereo audio system with a 3.3V tolerant digital interface. The product supports a 96 kHz sample rate on 6 channels and a 192 kHz sample rate on 2 channels, with word lengths of 16, 20, and 24 bits. It features multibit ΔΣ modulators with perfect differential linearity restoration for reduced idle tones and noise floor. The product has differential outputs for optimum performance DACs. It offers a signal-to-noise ratio of 110 dB and a dynamic range of -94 dB THD + N in 6-channel mode, and -95 dB THD + N in 2-channel mode. Each channel has on-chip volume control with a 1024-step linear scale. It also supports software controllable clickless mute, digital de-emphasis processing, and flexible serial data port with various modes.
The AD1833A is a complete, high-performance, single-chip multichannel digital audio playback system designed for DVD video and audio players, home theater systems, automotive audio, and set-top boxes. It features six audio playback channels, each comprising a high-performance digital interpolation filter, a multibit sigma-delta modulator, and a continuous-time voltage-output analog DAC section.
The device supports sample rates up to 192 kHz on two channels and 96 kHz on all six channels, accommodating word lengths of up to 24 bits. Key features include an on-chip clickless attenuator and mute capability for each channel, programmable through an SPI-compatible serial control port, as well as digital de-emphasis processing and flexible serial data ports compatible with various ADCs and DSP chips.
| Dynamic Range (20 Hz to 20 kHz, -60 dBFS Input) | 110.5 dB Typ |
|---|---|
| Total Harmonic Distortion + Noise (Six channels active) | -94 dB |
| Signal-to-Noise Ratio | 110 dB |
| Interchannel Isolation | 108 dB |
| Supply Voltage (AVpp and DVpp) | 4.5 V to 5.5 V |
| Operating Temperature Range | -40°C to +85°C |
The device supports 96 kHz on 6 channels and 192 kHz on 2 channels.
The AD1833A accommodates word lengths of up to 24 bits.
Yes, it is fully compatible with all known DVD formats.