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AD1928

更新时间： 2024-11-21 04:03:39

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
32页	434K
描述
2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

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AD1928 数据手册

2 ADC/8 DAC with PLL,

192 kHz, 24-Bit Codec

AD1928

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

3.3 V single 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-justified, and TDM modes

Master and slave modes up to 16-channel input/output

48-lead LQFP

The AD1928 is a high performance, single-chip codec that

provides two analog-to-digital converters (ADCs) with differ-

ential 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 AD1928 operates from 3.3 V digital and analog

supplies. The AD1928 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 versions.

The AD1928 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 AD1928 eliminates the

need for a separate high frequency master clock and can be

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

analog-to-digital converters are designed using the latest

Analog Devices 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

AD1928

SERIAL DATA PORT

DAC

SDATA

OUT

SDATA

QUAD

DEC

FILTER

48kHz/

96kHz/

192kHz

DIGITAL

FILTER

AND

VOLUME

CONTROL

ADC

ANALOG

AUDIO

INPUTS

CLOCKS

ANALOG

AUDIO

OUTPUTS

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

12 3 4 5 6 7...32

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与AD1928相关器件

型号	品牌	获取价格	描述	数据表
AD1928YSTZ	ADI	获取价格	2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1928YSTZ-RL	ADI	获取价格	2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1933	ADI	获取价格	8-Channel DAC with PLL and Differential Outputs, 192 kHz, 24 Bits
AD1933WBSTZ	ADI	获取价格	8-Channel DAC with PLL and Differential Outputs, 192 kHz, 24 Bits
AD1933WBSTZ-RL	ADI	获取价格	8-Channel DAC with PLL and Differential Outputs, 192 kHz, 24 Bits
AD1933YSTZ	ADI	获取价格	8-Channel DAC with PLL and Differential Outputs, 192 kHz, 24 Bits
AD1933YSTZ-RL	ADI	获取价格	8-Channel DAC with PLL and Differential Outputs, 192 kHz, 24 Bits
AD1934	ADI	获取价格	8-Channel DAC with PLL, 192 kHz, 24 Bits
AD1934WBSTZ	ADI	获取价格	8-Channel DAC with PLL, 192 kHz, 24 Bits
AD1934WBSTZ-RL	ADI	获取价格	8-Channel DAC with PLL, 192 kHz, 24 Bits

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