AD1833A

5 V Stereo Audio System with 3.3 V Tolerant Digital Interface
Supports 96 kHz Sample Rates on 6 Channels and 192 kHz on 2 Channels
Supports 16-/20-/24-Bit Word Lengths
Multibit - Modulators with Perfect Differential Linearity Restoration for Reduced Idle Tones and Noise Floor
Data Directed Scrambling DACs-Least Sensitive to Jitter
Differential Output for Optimum Performance DACs Signal-to-Noise and Dynamic Range: 110 dB
94 dB THD + N-6-Channel Mode
95 dB THD + N-2-Channel Mode
On-Chip Volume Control per Channel with 1024-Step Linear Scale
Software Controllable Clickless Mute
Digital De-emphasis Processing
Supports 256 fS, 512 fS, and 768 fS Master Clock Modes
Power-Down Mode Plus Soft Power-Down Mode
Flexible Serial Data Port with Right-Justified, Left-Justified, I² S Compatible, and DSP Serial Port Modes
Supports Packed Data Mode and TDM Mode
48-Lead LQFP Plastic Package

AV_DD, DV_DDX to AGND, DGND . . . . . . . . ..... 0.3 V to +6.5 V
AGND to DGND  . . . . . . . . . . . . . . . . . . . .  ..0.3 V to +0.3 V
Digital I/O Voltage to DGND  . . . . . .0.3 V to DV_DD2 + 0.3 V
Analog I/O Voltage to AGND  . . . . . . 0.3 V to AV_DD + 0.3 V
Operating Temperature Range
  Industrial (A Version)  . . . . . . . . . . . . . . . .. 40 to +85

Storage Temperature Range  . . . . . . . . . . .  65to +150
Maximum Junction Temperature  . . . . . . . . . . . . . . .. .  150

LQFP, _JA Thermal Impedance  . . . . . . . . . . . . . . . . . 91/W
Lead Temperature, Soldering
Vapor Phase (60 sec)  . . . . . . . . . . . . . . . . . . . . . . . .  215

Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . .  220

The AD1833A is a complete, high performance, single-chip, multichannel, digital audio playback system. It features six audi playback channels, each comprising a high performance digital
interpolation filter, a multibit - modulator featuring Analog Devices' patented technology, and a continuous-time voltage-ou analog DAC section. Other features include an on-chip clickless attenuator and mute capability for each channel, programmed through an SPI compatible serial control port.

The AD1833A is fully compatible with all known DVD formats, accommodating word lengths of up to 24 bits at sample rates of 48kHz and 96 kHz on all six channels while supporting a 192 kHz sample rate on two channels. It also provides the Redbook stan- dard 50 s/15 ms digital de-emphasis filters at sample rates of 32 kHz, 44.1 kHz, and 48 kHz.

The AD1833A has a very flexible serial data input port that allows glueless interconnection to a variety of ADCs, DSP chips, AES/EBU receivers, and sample rate converters. It can be con-
figured in right-justified, left-justified, I² S, or DSP serial port compatible modes. The AD1833A accepts serial audio data in MSB first, twos complement format. The AD1833A can be operated from a single 5 V power supply; it also features a separate supply pin for its digital interface that allows it to be interfaced to devices using 3.3 V power supplies.

The AD1833A is fabricated on a single monolithic integrated circuit and is housed in a 48-lead LQFP package for operation from 40 to +85.