AD1833 Analog Devices, AD1833 Datasheet

AD1833

Manufacturer Part Number

AD1833

Description

Multi-Channel, 24-bit, 192 KHZ Sigma-delta DAC

Manufacturer

Analog Devices

Datasheet

1.AD1833.pdf (20 pages)

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GENERAL DESCRIPTION

The AD1833 is a complete, high-performance, single-chip, multi-

channel, digital audio playback system. It features six audio

playback channels each comprising a high-performance digital

interpolation filter, a multibit sigma-delta modulator featuring

Analog Devices patented technology and a continuous-time

voltage-out analog DAC section. Other features include an on-chip

clickless attenuator and mute capability, per channel, programmed

through an SPI-compatible serial control port.

The AD1833 is fully compatible with all known DVD formats,

catering for up to 24-bit word lengths at sample rates of 48 kHz

and 96 kHz on all six channels while supporting a 192 kHz

sample rate on two channels. It also provides the “Redbook”

standard 50 µs/15 µs digital de-emphasis filters at sample rates

of 32 kHz, 44.1 kHz, and 48 kHz.

The AD1833 has a very flexible serial data input port that allows

for glueless interconnection to a variety of ADCs, DSP chips,

AES/EBU receivers, and sample rate converters. The AD1833

can be configured in left-justified, I

serial port compatible modes. The AD1833 accepts serial audio

data in MSB first, two’s complement format. While the AD1833

can be operated from a single 5 V power supply, it also features

a separate supply pin for its digital interface which allows the

device to be interfaced to devices using 3.3 V power supplies.

It is fabricated on a single monolithic integrated circuit and is

housed in a 48-lead LQFP package for operation over the tem-

perature range –40°C to +85°C.

CLATCH

L/RCLK

CDATA

RESET

MCLK

SDIN1

SDIN2

SDIN3

SOUT

CCLK

BCLK

DVDD1 DVDD2

24-Bit, 192 kHz, - DAC

DGND

PORT

DATA

PORT

FUNCTIONAL BLOCK DIAGRAM

SPI

AD1833

ENGINE

FILTER

ZERO FLAGS

FILTR FILTD

INTERPOLATOR

S, right-justified, or DSP

Multichannel,

AGND

AVDD

AD1833

DAC

OUTLP1

OUTLN1

OUTLP2

OUTLN2

OUTLP3

OUTLN3

OUTRP3

OUTRN3

OUTRP2

OUTRN2

OUTRP1

OUTRN1

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