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AD1938YSTZRL

更新时间： 2024-11-25 03:25:31

品牌	Logo	应用领域
亚德诺 - ADI		解码器转换器数模转换器编解码器
页数	文件大小	规格书
32页	562K
描述
4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC

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AD1938YSTZRL 数据手册

4 ADC/8 DAC with PLL,

192 kHz, 24-Bit CODEC

AD1938

FEATURES

GENERAL DESCRIPTION

PLL generated or direct master clock

Low EMI design

108 dB DAC/107 dB ADC dynamic range and SNR

−94 dB THD + N

Single 3.3 V supply

Tolerance for 5 V logic inputs

Supports 24 bits and 8 kHz to 192 kHz sample rates

Differential ADC input

Single-ended DAC output

Log volume control with autoramp function

SPI® controllable for flexibility

Software controllable clickless mute

Software power-down

Right justified, left justified, I²S and TDM modes

Master and slave modes up to 16-channel in/out

48-lead LQFP package

The AD1938 is a high performance, single-chip codec that

provides four analog-to-digital converters (ADCs) with

differential input and eight digital-to-analog converters

(DACs) with single-ended output using the Analog Devices,

Inc. patented multibit sigma-delta (Σ-Δ) architecture. An SPI

port is included, allowing a microcontroller to adjust volume

and many other parameters. The AD1938 operates from 3.3 V

digital and analog supplies. The AD1938 is available in a

48-lead (single-ended output) LQFP package. Other members

of this family include a differential DAC output and I²C® control

port version.

The AD1938 is designed for low EMI. This consideration is

apparent in both the system and circuit design architectures.

By using the on-board PLL to derive the master clock from the

LR clock or from an external crystal, the AD1938 eliminates the

need for a separate high frequency master clock and can also be

used with a suppressed bit clock. The digital-to-analog and

analog-to-digital converters are designed using the latest ADI

continuous time architectures to further minimize EMI. By

using 3.3 V supplies, power consumption is minimized, further

reducing emissions.

APPLICATIONS

Automotive audio systems

Home Theater Systems

Set-top boxes

Digital audio effects processors

FUNCTIONAL BLOCK DIAGRAM

DIGITAL AUDIO

INPUT/OUTPUT

AD1938

SERIAL DATA PORT

DAC

SDATA

OUT

SDATA

ADC

DIGITAL

FILTER

AND

VOLUME

CONTROL

ANALOG

AUDIO

INPUTS

CLOCKS

ANALOG

AUDIO

OUTPUTS

DIGITAL

FILTER

TIMING MANAGEMENT

AND CONTROL

(CLOCK AND PLL)

CONTROL PORT

PRECISION

VOLTAGE

REFERENCE

SPI/I C

CONTROL DATA

INPUT/OUTPUT

Figure 1.

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD1938YSTZRL 替代型号

型号	品牌	替代类型	描述	数据表
AD1938YSTZ	ADI	类似代替	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC

与AD1938YSTZRL相关器件

型号	品牌	获取价格	描述	数据表
AD1939	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
AD1939WBSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1939WBSTZ-RL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1939XSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1939XSTZRL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1939YSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
AD1939YSTZRL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
AD1940	ADI	获取价格	SigmaDSP-TM Multichannel 28-Bit Audio Processor
AD1940_15	ADI	获取价格	SigmaDSP Multichannel 28-Bit Audio Processor
AD1940YST	ADI	获取价格	SigmaDSP-TM Multichannel 28-Bit Audio Processor

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