PCM69AU

更新时间： 2024-11-12 21:54:35

品牌	Logo	应用领域
BB		转换器
页数	文件大小	规格书
13页	97K
描述
Advanced 1-Bit BiCMOS Dual 18-Bit DIGITAL-TO-ANALOG CONVERTER

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中文翻译

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PCM69AU 数据手册

PCM67P/U

PCM69AP/AU

Advanced 1-Bit BiCMOS Dual 18-Bit

DIGITAL-TO-ANALOG CONVERTER

FEATURES

DESCRIPTION

● 18-BIT RESOLUTION DUAL AUDIO DAC

The PCM67 and PCM69A dual 18-bit DAC are low

cost, dualoutput18-bitBiCMOSdigital-to-analogcon-

verters utilizing a novel architecture to achieve excel-

lent low level performance.

● EXCELLENT THD PERFORMANCE:

0.0025% (–92dB) at F/S, K Grade

1.0% (–40dB) at –60dB, K Grade

By combining a conventional thin-film R-2R ladder

DAC, a digital offset technique with analog correction

and an advanced one-bit DAC using first order noise

shaping technique, the PCM67 and PCM69A achieve

high resolution, minimal glitch, and low zero-crossing

distortion.

● HIGH S/N RATIO: 110dB typ (IHF-A)

● DUAL, CO-PHASE

● SINGLE SUPPLY +5V OPERATION

● LOW POWER: 75mW typical

● CAPABLE OF 16X OVERSAMPLING

PCM67 digital offset occurs at bit 9, making it ideal for

high-performance CD players. PCM69A digital offset

occurs at bit 4, making it an excellent choice for digital

musical instruments and audio DSP.

● AVAILABLE IN SPACE SAVING

16-PIN DIP OR 20-PIN SOIC

● OPERATING TEMP RANGE:

–25°C to +85°C

Both PCM67 and PCM69A operate from a single +5V

supply. Thelowpowerconsumptionandsmallsize(16-

pin PDIP or 20-pin SOIC) make these converters ideal

for a variety of digital audio applications.

● EXTREMELY LOW GLITCH ENERGY

10-Bit DAC plus

Analog Correction

Reference

Servo

Analog Output Lch

Advanced 1-Bit

V_COM

Lch

DAC

Buffer

V_COM

Rch

10-Bit DAC plus

Analog Correction

Input

Digital Signal In

Analog Output Rch

Interface

Advanced 1-Bit

DAC

International Airport Industrial Park

•

Mailing Address: PO Box 11400

Cable: BBRCORP

•

Tucson, AZ 85734

•

Street Address: 6730 S. Tucson Blvd.

•

Tucson, AZ 85706

Tel: (520) 746-1111 Twx: 910-952-1111

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1168A

Printed in U.S.A. August, 1993

SBAS024

12 3 4 5 6 7...13

中文翻译

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