Datasheet > EVAL-AD1852EB

EVAL-AD1852EB

更新时间： 2024-11-23 22:16:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
14页	486K
描述
24-Bit Stereo DAC Evaluation Board

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EVAL-AD1852EB 数据手册

24-Bit Stereo DAC

Evaluation Board

EVAL-AD1852EB

OVERVIEW

an SPI-compatible serial control port. The AD1852 is fully

compatible with all known DVD formats including 96 kHz and

192 kHz sample rates and 24 bits. It also is backwards-compatible

by supporting 50 µs/15 µs digital de-emphasis intended for

“redbook” Compact Discs, as well as de-emphasis at 32 kHz

and 48 kHz sample frequencies.

The EVAL-AD1852-EB evaluation board permits testing and

demonstrating the high-performance AD1852 24-bit stereo

DAC. An input signal is required in either optical or coaxial

SPDIF format or, alternatively, directly via a 10-pin header in

I²S, left justified, right justified, or DSP modes. A second 10-pin

header and DB-9 connector allows control of the internal regis-

ters from an external SPI controller.

The AD1852 has a very simple, but very flexible, serial data

input port that allows for a glueless interconnection to a variety

of ADCs, DSP chips, digital interface receivers (DIR) and

asynchronous sample rate converters (ASRC). The AD1852

can be configured in left-justified (LJ), I²S, right-justified (RJ),

or DSP serial port compatible modes. It can support 16, 20, and

24 bits in all modes. The AD1852 accepts serial audio data in

MSB first, twos complement format. A power-down mode is

offered to minimize power consumption when the device is

inactive. The AD1852 operates from a single 5 V power supply.

It is fabricated on a single monolithic integrated circuit and

housed in a 28-lead SSOP package. Normal operation over the

temperature range 0°C to 70°C is guaranteed.

Power requirements are a clean 9 V to 12 V dc source for the

digital section and a clean 12 V dc for the analog section. The

positive supplies can be paralleled if desired. On-board regulators

derive separate “clean” 5 V dc supplies for the digital and analog

sections. Audio output is provided from two RCA phono jacks.

AD1852 OVERVIEW

The AD1852 is a complete 16-/20-/24-bit single-chip digital

audio, stereo digital-to-analog converter (DAC). It is comprised

of a multibit sigma-delta modulator with dither, continuous

time analog filters, and differential analog outputs. Other fea-

tures include an on-chip stereo attenuator, de-emphasis filter,

selectable interpolator and mute control, programmed through

The AD1852 data sheet gives a more complete description of

operation.

FUNCTIONAL BLOCK DIAGRAM

JP1

INTERFACE INTERPOLATION

MODE

J2 EXT DATA

J1 RCA JACK

U11

SIGNAL

SOURCE

SELECT

U9B

U9A

LEFT

I/F

DAC

U10

SPDIF INPUT

OPTICAL

DIR

AD1852

MUX

RIGHT

TOS LINK

INPUT

DS3

DEEMPH

DS1

ZERO LEFT

DS4

VERF

DS2

ZERO RIGHT

SPDIF/EXT(J2)

DEEMPHASIS

MUTE

RESET

GENERATOR

RESET

J3/J5

SPI CONTROL

PORTS

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

which may result from its use. No license is granted by implication or

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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与EVAL-AD1852EB相关器件

型号	品牌	获取价格	描述	数据表
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
EVAL-AD1928EBZ	ADI	获取价格	2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
EVAL-AD1934EB	ADI	获取价格	8-Channel DAC with PLL, 192 kHz, 24 Bits
EVAL-AD1935EB	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
EVAL-AD1936EB	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC

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