Datasheet 搜索 > 编解码器 > ADI（亚德诺） > AD1938WBSTZ 数据手册 > AD1938WBSTZ 产品设计参考手册 1/32 页
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AD1938WBSTZ 产品设计参考手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
编解码器
封装:
LQFP-48
描述:
ANALOG DEVICES AD1938WBSTZ 音频编解码器, AEC-Q100, 立体声, 4, 8, -40 °C, 105 °C, 192 kSPS
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AD1938WBSTZ数据手册
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若手册格式错乱，请下载阅览PDF原文件
Evaluation Board User Guide
UG-045
One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Te l: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the AD1938 Four ADC/Eight DAC with PLL 192 kHz, 24-Bit Codec
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 32
EVAL-AD1938AZ PACKAGE CONTENTS
AD1938 evaluation board
USBi control interface board
USB cable
OTHER SUPPORTING DOCUMENTATION
AD1938 data sheet
EVALUATION BOARD OVERVIEW
This document explains the design and setup of the evaluation
board for the AD1938. The evaluation board must be connected
to an external ±12 V dc power supply and ground. On-board
regulators derive 3.3 V supplies for the AD1938. The AD1938 is
controlled through an SPI interface. A small external interface
board, EVAL-ADUSB2EBZ (also called USBi), connects to a PC
USB port and provides SPI access to the evaluation board
through a ribbon cable. A graphical user interface (GUI)
program is provided for easy programming of the chip in a
Microsoft® Windows® PC environment. The evaluation board
allows demonstration and performance testing of most AD1938
features, including four ADCs and eight DACs, as well as the
digital audio ports.
Additional analog circuitry (ADC input filters, DAC output
filter/buffer) and digital interfaces such as S/PDIF are provided
to ease product evaluation.
All analog audio interfaces are accessible with stereo audio,
3.5 mm TRS connectors.
FUNCTIONAL BLOCK DIAGRAM
DAC 1&2
ADC 1&2
DAC 3&4
MCLK ROUTING
POWER SUPPLY
AD1938
SERIAL AUDIO
INTERFACES
S/PDIF
INTERFACE
CONTROL
INTERFACE
CLOCK & DATA ROUTING
LRCLK, BCLK, SDATA
SPI
ANALOG
AUDIO
ANALOG
AUDIO
ANALOG
AUDIO
08421-001
Figure 1.
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