PCM1744

更新时间： 2024-11-12 22:44:31

品牌	Logo	应用领域
BB		转换器
页数	文件大小	规格书
9页	85K
描述
24 Bits, 96kHz, Sampling Stereo Audio DIGITAL-TO-ANALOG CONVERTER

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PCM1744 数据手册

PCM1744

For most current data sheet and other product

information, visit www.burr-brown.com

24 Bits, 96kHz,

Sampling Stereo Audio

DIGITAL-TO-ANALOG CONVERTER

FEATURES

● COMPLETE STEREO DAC: Includes Digital

DESCRIPTION

The PCM1744 is a complete low cost stereo audio

digital-to-analog converter (DAC), operating off of a

256f_Sor 384f_Ssystem clock. The DAC contains a 3rd-

order ∆Σ modulator, a digital interpolation filter, and

an analog output amplifier. The PCM1744 accepts

24-bit input data in a I²S format.

Filter and Output Amp

● DYNAMIC RANGE: 95dB

● MULTIPLE SAMPLING FREQUENCIES:

Up to 96kHz

● 8x OVERSAMPLING DIGITAL FILTER

● SYSTEM CLOCK: 256f_S/384f_S

● 24-BIT I²S DATA INPUT FORMAT

● SMALL 14-PIN SOIC PACKAGE

The digital filter performs an 8x interpolation function

and includes de-emphasis at 44.1kHz. The PCM1744

can accept digital audio sampling frequencies from

16kHz to 96kHz, always at 8X oversampling.

The PCM1744 is ideal for low-cost, CD-quality con-

sumer audio applications.

Multi-level

Delta-Sigma

Modulator

V_OUT

BCKIN

Serial

Low-pass

Filter

DAC

LRCIN

Input

I/F

DIN

8X Oversampling

Digital Filter

CAP

V_OUT

Multi-level

Delta-Sigma

Modulator

Low-pass

Filter

Mode

Control

I/F

FORMAT

Power Supply

256f_S/384f_S

SCKI

V_CC

GND

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

•

Tel: (520) 746-1111

• Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

FAXLine: (800) 548-6133 (US/Canada Only)

•

Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

PDS-1553A

^PP^rinC^tedM^{in U}1^.S7^.A4^.4^{September, 1999}

12 3 4 5 6 7...9

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