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Analog Devices Semiconductor Electronic Components Datasheet

AD1833 Datasheet

Multichannel 24-Bit/ 192 kHz/ DAC

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AD1833 pdf
a
Multichannel,
24-Bit, 192 kHz, -DAC
AD1833
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
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.
FUNCTIONAL BLOCK DIAGRAM
DVDD1 DVDD2
ZERO FLAGS
AVDD
CDATA
CLATCH
CCLK
MCLK
RESET
L/RCLK
BCLK
SDIN1
SDIN2
SDIN3
SOUT
SPI
PORT
INTERPOLATOR
DAC
INTERPOLATOR
DAC
FILTER
ENGINE
INTERPOLATOR
INTERPOLATOR
DAC
DAC
DATA
PORT
INTERPOLATOR
DAC
AD1833
INTERPOLATOR
DAC
DGND
FILTR FILTD
AGND
OUTLP1
OUTLN1
OUTLP2
OUTLN2
OUTLP3
OUTLN3
OUTRP3
OUTRN3
OUTRP2
OUTRN2
OUTRP1
OUTRN1
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, I2S, 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.
REV. 0
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.
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


Analog Devices Semiconductor Electronic Components Datasheet

AD1833 Datasheet

Multichannel 24-Bit/ 192 kHz/ DAC

No Preview Available !

AD1833 pdf
AD1833–SPECIFICATIONS
TEST CONDITIONS UNLESS OTHERWISE NOTED
Supply Voltages (AVDD, DVDD)
Ambient Temperature
5.0 V
25°C
Input Clock
Input Signal
12.288 MHz, (256 × fS Mode)
Nominally 1 kHz, 0 dBFS (Full Scale)
Input Sample Rate
48 kHz
Measurement Bandwidth
20 Hz to 20 kHz
Word Width
24 Bits
Load Capacitance
500 pF
Load Impedance
10 k
NOTES
Performance of all channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications).
Specifications subject to change without notice.
Parameter
ANALOG PERFORMANCE
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
With A-Weighted Filter
Min
106.5
Total Harmonic Distortion + Noise
SNR
Interchannel Isolation
DC Accuracy
Gain Error
Interchannel Gain Mismatch
Gain Drift
Interchannel Crosstalk (EIAJ Method)
Interchannel Phase Deviation
Volume Control Step Size (1023 Linear Steps)
Volume Control Range (Max Attenuation)
Mute Attenuation
De-Emphasis Gain Error
Full-Scale Output Voltage at Each Pin (Single-Ended)
Output Resistance Measured Differentially
Common-Mode Output Volts
DAC INTERPOLATION FILTER—48 kHz
Pass Band
Pass Band Ripple
Stop Band
Stop Band Attenuation
Group Delay
DAC INTERPOLATION FILTER—96 kHz
Pass Band
Pass Band Ripple
Stop Band
Stop Band Attenuation
Group Delay
DAC INTERPOLATION FILTER—192 kHz
Pass Band
Pass Band Ripple
Stop Band
Stop Band Attenuation
Group Delay
24
70
55.034
70
104.85
70
Typ Max Unit
Test Conditions
110
110.5
–95
–94
–95
–94
110
108
–89
± 3.0
0.2
80
–120
± 0.1
0.098
63.5
–120
± 0.1
1.0 (2.8)
150
2.2
dB
dB fS = 96 kHz
dB Two Channels Active
dB Six Channels Active
dB 96 kHz, Two Channels Active
dB 96 kHz, Six Channels Active
dB
dB
%
%
ppm/°C
dB
Degrees
%
dB
dB
dB
V rms (V p-p)
V
± 0.01
20
510
kHz
dB
kHz
dB
µs
37.7 kHz
± 0.03
dB
kHz
dB
160 µs
89.954 kHz
± 1 dB
kHz
dB
140 µs
–2– REV. 0


Part Number AD1833
Description Multichannel 24-Bit/ 192 kHz/ DAC
Maker Analog Devices
Total Page 20 Pages
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