Datasheet > EVAL-AD1837AEB

EVAL-AD1837AEB

更新时间： 2024-02-25 02:05:16

品牌	Logo	应用领域
亚德诺 - ADI		解码器编解码器
页数	文件大小	规格书
24页	321K
描述
2 ADC, 8 DAC, 96 kHz, 24-Bit Codec

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数据手册

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EVAL-AD1837AEB 数据手册

2 ADC, 8 DAC,

96 kHz, 24-Bit ꢀ-ꢁ Codec

AD1837A

FEATURES

APPLICATIONS

5 V Stereo Audio System with 3.3 V Tolerant

Digital Interface

DVD Video and Audio Players

Home Theater Systems

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

Perfect Differential Linearity Restoration for

Reduced Idle Tones and Noise Floor

Data Directed Scrambling DACs—Least

Sensitive to Jitter

Single-Ended Outputs

ADCs: –95 dB THD + N, 105 dB SNR and

Dynamic Range

DACs: –92 dB THD + N, 108 dB SNR and

Dynamic Range

On-Chip Volume Controls per Channel with

1024-Step Linear Scale

Automotive Audio Systems

Audio/Visual Receivers

Digital Audio Effects Processors

GENERAL DESCRIPTION

The AD1837A is a high performance single-chip codec featuring

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. Each DAC has inde-

pendent volume control and clickless mute functions. The ADC

comprises two 24-bit conversion channels with multibit S-D

modulators and decimation filters.

The AD1837A also contains an on-chip reference with a nominal

value of 2.25 V.

The AD1837A contains a flexible serial interface that allows for

glueless connection to a variety of DSP chips, AES/EBU receivers,

and sample rate converters. The AD1837A can be configured in

left-justified, right-justified, I²S, or DSP compatible serial modes.

Control of the AD1837A is achieved by means of an SPI compat-

ible serial port. While the AD1837A can be operated from a single

5 V supply, it also features a separate supply pin for its digital inter-

face, which allows the device to be interfaced to other devices using

3.3 V power supplies.

DAC and ADC Software Controllable Clickless Mutes

Digital De-emphasis Processing

Supports 256 ꢂ f_S, 512 ꢂ f_S, and 768 ꢂ f_SMaster

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

The AD1837A is available in a 52-lead MQFP package and is speci-

fied for the industrial temperature range of –40ºC to +85ºC.

52-Lead MQFP Plastic Package

FUNCTIONAL BLOCK DIAGRAM

DVDD DVDD ODVDD ALRCLK ABCLK ASDATA CCLK CLATCH CIN COUT

MCLK

AVDD

PD/RST M/S

AVDD

DLRCLK

DBCLK

CLOCK

CONTROL PORT

OUTL1

VOLUME

SERIAL DATA

I/O PORT

DSDATA1

DSDATA2

DSDATA3

DSDATA4

ꢀ-ꢁ

DAC

DIGITAL

FILTER

OUTR1

OUTL2

ꢀ-ꢁ

DAC

DIGITAL

FILTER

OUTR2

OUTL3

ADCLP

ADCLN

ꢀ-ꢁ

DAC

DIGITAL

FILTER

ꢀ-ꢁ

ADC

DIGITAL

FILTER

OUTR3

OUTL4

ꢀ-ꢁ

DAC

DIGITAL

FILTER

ADCRP

ADCRN

ꢀ-ꢁ

ADC

DIGITAL

FILTER

OUTR4

FILTD

FILTR

REF

AD1837A

DGND DGND AGND AGND AGND AGND

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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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与EVAL-AD1837AEB相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD1837EB	ADI	获取价格	2 ADC, 8 DAC, 96 kHz, 24-Bit Codec
EVAL-AD1838AEB	ADI	获取价格	2 ADC, 6 DAC, 96KHZ 24 BIT CODEC
EVAL-AD1839EB	ADI	获取价格	2 ADC, 6 DAC, 96 kHz, 24-Bit sigma-delta Codec
EVAL-AD1852EB	ADI	获取价格	24-Bit Stereo DAC Evaluation Board
EVAL-AD1852EBZ	ADI	获取价格	Stereo, 24-Bit, 192 kHz, Multibit, Sigma-Delta DAC
EVAL-AD1870EB	ADI	获取价格	Single-Supply 16-Bit Stereo ADC
EVAL-AD1871EB	ADI	获取价格	Stereo Audio, 24-Bit, 96 kHz, Multibit - ADC
EVAL-AD1871EBZ	ADI	获取价格	Stereo Audio, 24-Bit, 96 kHz, Multibit - ADC
EVAL-AD1896EB	ADI	获取价格	AD1896 7.75:1 to 1:8, 192 kHz Stereo ASRC Evaluation Board
EVAL-AD1928EB	ADI	获取价格	2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

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