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AD1833 Datasheet(PDF) 1 Page - Analog Devices

Part No. AD1833
Description  Multichannel 24-Bit, 192 kHz, DAC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD1833
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001
Multichannel,
24-Bit, 192 kHz, - DAC
FEATURES
5 V Stereo Audio System with 3.3 V Tolerant Digital
Interface
Supports 96 kHz Sample Rates on Six Channels and
192 kHz on 2 Channels
Supports 16-/20-/24-Bit Word Lengths
Multibit Sigma-Delta 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, I2S-Compatible and DSP Serial Port Modes
Supports Packed Data Mode (TDM) for DACs
48-Lead LQFP Plastic Package
APPLICATIONS
DVD Video and Audio Players
Home Theatre Systems
Automotive Audio Systems
Set-Top Boxes
Digital Audio Effects Processors
FUNCTIONAL BLOCK DIAGRAM
AGND
DGND
FILTR FILTD
MCLK
CDATA
CLATCH
CCLK
OUTLP1
OUTLN1
OUTLP2
OUTLN2
OUTLP3
OUTLN3
OUTRP3
OUTRN3
OUTRP2
OUTRN2
OUTRP1
OUTRN1
ZERO FLAGS
DVDD1 DVDD2
AVDD
RESET
SOUT
AD1833
SPI
PORT
DATA
PORT
L/
RCLK
BCLK
SDIN1
SDIN2
SDIN3
INTERPOLATOR
DAC
INTERPOLATOR
DAC
INTERPOLATOR
DAC
INTERPOLATOR
DAC
INTERPOLATOR
DAC
FILTER
ENGINE
INTERPOLATOR
DAC
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
2S, right-justified, or DSP
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.




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