AD1835AAS-REEL Analog Devices Inc, AD1835AAS-REEL Datasheet

IC CODEC 2ADC/8DAC 24 BIT 52MQFP

AD1835AAS-REEL

Manufacturer Part Number
AD1835AAS-REEL
Description
IC CODEC 2ADC/8DAC 24 BIT 52MQFP
Manufacturer
Analog Devices Inc
Type
Stereo Audior
Datasheets

Specifications of AD1835AAS-REEL

Rohs Status
RoHS non-compliant
Data Interface
Serial
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 8
Sigma Delta
Yes
S/n Ratio, Adcs / Dacs (db) Typ
105 / 108
Dynamic Range, Adcs / Dacs (db) Typ
105 / 108
Voltage - Supply, Analog
4.5 V ~ 5.5 V
Voltage - Supply, Digital
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
52-BQFP
Single Supply Voltage (typ)
3.3/5V
Single Supply Voltage (min)
3/4.5V
Single Supply Voltage (max)
5.5V
Package Type
MQFP
For Use With
EVAL-AD1835AEB - BOARD EVALUATION FOR AD1835A
Lead Free Status / RoHS Status
Not Compliant
REV. A
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. Trademarks and
registered trademarks are the property of their respective owners.
FEATURES
5 V Stereo Audio System with 3.3 V Tolerant Digital
Supports up to 96 kHz Sample Rates
192 kHz Sample Rate Available on 1 DAC
Supports 16-/20-/24-Bit Word Lengths
Multibit - Modulators with
Data Directed Scrambling DACs—Least
Differential Output for Optimum Performance
On-Chip Volume Controls per Channel with
DAC and ADC Software Controllable Clickless Mutes
Digital De-emphasis Processing
Interface
Perfect Differential Linearity Restoration for
Reduced Idle Tones and Noise Floor
Sensitive to Jitter
ADCs: –95 dB THD + N, 105 dB SNR, and
DACs: –95 dB THD + N, 108 dB SNR, and
1024-Step Linear Scale
Dynamic Range
Dynamic Range
DSDATA1
DSDATA2
DSDATA3
DSDATA4
DLRCLK
ADCRN
DBCLK
ADCRP
ADCLP
ADCLN
DVDD
AD1835A
DVDD
ADC
ADC
-
-
ODVDD
ALRCLK
DIGITAL
DIGITAL
FILTER
FILTER
FUNCTIONAL BLOCK DIAGRAM
SERIAL DATA
I/O PORT
DGND
ABCLK
DGND
ASDATA
AGND
CCLK
CONTROL PORT
CLATCH
AGND
PRODUCT OVERVIEW
The AD1835A is a high performance, single-chip codec fea-
turing four stereo DACs and one stereo ADC. Each DAC
comprises a high performance digital interpolation filter, a
multibit - modulator featuring Analog Devices’ patented
technology, and a continuous-time voltage out analog section.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
Supports 256
Power-Down Mode Plus Soft Power-Down Mode
Flexible Serial Data Port with Right-Justified, Left-
TDM Interface Mode Supports 8-In/8-Out Using a
Single SHARC
52-Lead MQFP Plastic Package
APPLICATIONS
DVD Video and Audio Players
Home Theater Systems
Automotive Audio Systems
Audio/Visual Receivers
Digital Audio Effects Processors
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
AGND AGND
Mode Clocks
Justified, I
CIN
96 kHz, 24-Bit - Codecs
COUT
CLOCK
2
MCLK
DIGITAL
DIGITAL
DIGITAL
DIGITAL
FILTER
FILTER
FILTER
FILTER
S Compatible, and DSP Serial Port Modes
®
SPORT
© 2003 Analog Devices, Inc. All rights reserved.
f
S
PD/RST M/S
, 512
V
DAC
DAC
DAC
DAC
REF
f
-
-
-
-
AVDD
S
, and 768
AVDD
2 ADC, 8 DAC,
AD1835A
OUTLP1
OUTLN1
OUTRP1
OUTRN1
OUTLP2
OUTLN2
OUTRP2
OUTRN2
OUTLP3
OUTLN3
OUTRP3
OUTRN3
OUTLP4
OUTLN4
OUTRP4
OUTRN4
FILTD
FILTR
(continued on page 11)
f
S
www.analog.com
Master

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AD1835AAS-REEL Summary of contents

Page 1

FEATURES 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface Supports kHz Sample Rates 192 kHz Sample Rate Available on 1 DAC Supports 16-/20-/24-Bit Word Lengths Multibit - Modulators with Perfect Differential Linearity Restoration for ...

Page 2

AD1835A–SPECIFICATIONS TEST CONDITIONS Supply Voltages (AVDD, DVDD) 5.0 V Ambient Temperature 25°C Input Clock 12.288 MHz (256 ADC Input Signal 1.0078125 kHz, –1 dBFS (Full Scale) DAC Input Signal 1.0078125 kHz, 0 dBFS (Full Scale) Input Sample Rate (f ) ...

Page 3

Parameter ADC DECIMATION FILTER, 96 kHz* Pass Band Pass-Band Ripple Stop Band Stop-Band Attenuation Group Delay 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 ...

Page 4

AD1835A TIMING SPECIFICATIONS Parameter MASTER CLOCK AND RESET t MCLK High MH t MCLK Low ML PD/RST Low t PDR ® SPI PORT t CCLK High CCH t CCLK Low CCL t CCLK Period CCP t CDATA Setup CDS t ...

Page 5

Parameter TDM256 MODE (Master, 48 kHz and 96 kHz) t BCLK Delay TBD t FSTDM Delay FSD t ASDATA Delay TABDD t DSDATA1 Setup TDDS t DSDATA1 Hold TDDH TDM256 MODE (Slave, 48 kHz and 96 kHz) f BCLK Frequency ...

Page 6

... This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Model AD1835AAS AD1835AAS-REEL AD1835AASZ* AD1835AASZ-REEL* EVAL-AD1835AEB *Z = Pb-free part. CAUTION ESD (electrostatic discharge) sensitive device ...

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