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AD1838 Arkusz danych(PDF) 1 Page - Analog Devices

Numer części AD1838
Szczegółowy opis  2 ADC, 6 DAC,96 kHz, 24-Bit Codec
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
Logo AD - Analog Devices

AD1838 Arkusz danych(HTML) 1 Page - Analog Devices

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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
AD1838
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., 2002
2 ADC, 6 DAC,
96 kHz, 24-Bit - Codec
FEATURES
5 V Stereo Audio System with 3.3 V Tolerant
Digital Interface
Supports up to 96 kHz Sample Rates
192 kHz Sample Rate Available on One DAC
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
ADCs: –95 dB THD + N, 105 dB SNR and
Dynamic Range
DACs: –95 dB THD + N, 108 dB SNR and
Dynamic Range
On-Chip Volume Controls per Channel with
1024 Step Linear Scale
DAC and ADC Software Controllable Clickless Mutes
Digital De-Emphasis Processing
Supports 256
fS, 512
fS, and 768
fS Master
Mode Clocks
Power-Down Mode Plus Soft Power-Down Mode
Flexible Serial Data Port with Right-Justified, Left-
Justified, I2S-Compatible, and DSP Serial Port Modes
TDM Interface Mode Supports 8 In/8 Out Using a
Single SHARC® SPORT
52-Lead MQFP Plastic Package
APPLICATIONS
DVD Video and Audio Players
Home Theater Systems
Automotive Audio Systems
Audio/Visual Receivers
Digital Audio Effects Processors
FUNCTIONAL BLOCK DIAGRAM
OUTLP1
OUTLN1
CONTROL PORT
CLOCK
FILTD
FILTR
ADCLP
ADCLN
ADCRP
ADCRN
DLRCLK
DBCLK
DSDATA1
DSDATA2
DSDATA3
DAUXDATA
MCLK
ASDATA
ABCLK
ALRCLK
ODVDD
DVDD
AVDD
AVDD
DVDD
AGND AGND
AGND
AGND
DGND
DGND
CIN
CLATCH
CCLK
COUT
DIGITAL
FILTER
PD/RST M/S
-
ADC
VOLUME
SERIAL DATA
I/O PORT
DIGITAL
FILTER
-
DAC
VREF
OUTRP1
OUTRN1
VOLUME
OUTLP2
OUTLN2
VOLUME
DIGITAL
FILTER
-
DAC
OUTRP2
OUTRN2
VOLUME
OUTLP3
OUTLN3
VOLUME
DIGITAL
FILTER
-
DAC
OUTRP3
OUTRN3
VOLUME
DIGITAL
FILTER
-
ADC
AAUXDATA3
AD1838
PRODUCT OVERVIEW
The AD1838 is a high performance single-chip codec featuring
three stereo DACs and one stereo ADC. Each DAC comprises a
high performance digital interpolation filter, a multibit sigma-delta
modulator featuring Analog Devices’ patented technology,
(continued on Page 11)
SHARC is a registered trademark of Analog Devices, Inc.


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