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AD1934

更新时间： 2024-11-21 04:03:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	389K
描述
8-Channel DAC with PLL, 192 kHz, 24 Bits

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AD1934 数据手册

8-Channel DAC with PLL,

192 kHz, 24 Bits

AD1934

FEATURES

GENERAL DESCRIPTION

PLL generated or direct master clock

Low EMI design

108 dB DAC dynamic range and SNR

−94 dB THD + N

The AD1934 is a high performance, single-chip that provides

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 AD1934 operates from 3.3 V digital and analog supplies.

The AD1934 is available in a 48-lead (single-ended output)

LQFP. Other members of this family include a differential DAC

output and I²C® control port version.

Single 3.3 V supply

Tolerance for 5 V logic inputs

Supports 24 bits and 8 kHz to 192 kHz sample rates

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

The AD1934 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 AD1934 eliminates the

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

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

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

AD1934

DAC

DIGITAL

FILTER

AND

DAC

ANALOG

AUDIO

OUTPUTS

VOLUME

CONTROL

CLOCKS

SDATAIN

SERIAL

DATA

PORT

TIMING MANAGEMENT

AND CONTROL

(CLOCK AND PLL)

DIGITAL AUDIO

INPUT/OUTPUT

6.144MHz

PRECISION

VOLTAGE

REFERENCE

CONTROL PORT

I C/SPI

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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与AD1934相关器件

型号	品牌	获取价格	描述	数据表
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
AD1934YSTZ	ADI	获取价格	8-Channel DAC with PLL, 192 kHz, 24 Bits
AD1934YSTZ-RL	ADI	获取价格	8-Channel DAC with PLL, 192 kHz, 24 Bits
AD1935	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1935XSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1935XSTZRL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1936	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1936XSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1936XSTZRL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC

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