Datasheet > PCM1740

PCM1740

更新时间： 2024-11-27 02:58:43

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
22页	202K
描述
DIGITAL-TO-ANALOG CONVERTER

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替代型号

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PCM1740 数据手册

PCM1740

For most current data sheet and other product

information, visit www.burr-brown.com

Stereo Audio

DIGITAL-TO-ANALOG CONVERTER

with VCXO and PLL

FEATURES

DESCRIPTION

The PCM1740 is a complete stereo audio digital-to-analog

converter with on-chip PLL and VCXO. The PCM1740 is

designed specifically for set-top box applications requiring

high-quality audio playback, a precision tuned 27MHz mas-

ter clock source, and support for multiple audio-sampling

frequencies.

COMPLETE DELTA-SIGMA STEREO DAC

VOLTAGE-CONTROLLED CRYSTAL

OSCILLATOR: 27MHz ±150ppm Output with

0V to 3V Input

PROGRAMMABLE PLL

256f_Sor 384f_SAudio System Clock Output

The stereo D/A converter utilizes multi-bit, delta-sigma

architecture, which includes an 8x interpolation filter, third-

order noise shaping, 5-level amplitude quantization, and an

analog low-pass filter. The PCM1740 includes a number of

user-programmable functions, which are accessed via a

standard I²C-Bus interface.

DYNAMIC PERFORMANCE:

Dynamic Range: 94dB

SNR: 94dB

THD+N: 89dB

SAMPLING FREQUENCIES:

16kHz, 22.05kHz, 24kHz

32kHz, 44.1kHz, 48kHz

64kHz, 88.2kHz, 96kHz

APPLICATIONS

SET-TOP BOXES

SERIAL AUDIO INTERFACE:

Standard or I²S Data Formats

16-, 20-, or 24-Bit Data

DIGITAL BROADCAST RECEIVERS

I²C-BUS^¨INTERFACE FOR CONTROL

REGISTERS⁽¹⁾:

Slave Receiver Operation

7-Bit Addressing

Standard Transfer Rate (up to 100kbps)

PROGRAMMABLE CONTROLS:

Digital Attenuation (256 steps)

Soft Mute

DAC

(L)

BCK

LRCK

DATA

_OUTL

PCM

Audio

I/F

Oversampling

Digital Filter

and

Low-Pass

Filter

and Amp

V_COM

Sub-Functions

Process

DAC

(R)

_OUTR

SCL

SDA

AD1

AD0

I²C

I/F

and

ZERO

REGs

SCKO

Infinite Zero Detect Mute

De-Emphasis (32kHz, 44.1kHz, 48kHz)

DAC Output Mode

Counter N

Counter M

(256f_S/384f_S

)

XTUN

Phase

Detector

LPF

VCO

XT1

27MHz

Crystal

MCKO

(27MHz)

VCXO

XT2

RST

SINGLE +5V SUPPLY

Reset

Power Supply

SMALL SSOP-24 PACKAGE

V_PPPGND V_CCAGND V_DDDGND

NOTE: (1) I²C-Bus^¨is a registered trademark of Philips Semiconductor.

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/ ¥ Cable: BBRCORP ¥ Telex: 066-6491 ¥ FAX: (520) 889-1510 ¥ ImmediaterPoduct Info: (800) 548-6132

Printed in U.S.A. February, 2000--Revised August 2001

^PDS-1^1551A

PCM1740

SBAS128A

12 3 4 5 6 7...22

中文翻译

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PCM1740 替代型号

型号	品牌	替代类型	描述	数据表
PCM5101A	TI	功能相似	Market-Leading Low Out-of-Band Noise, Integrated Negative Charge Pump
PCM5100A	TI	功能相似	Market-Leading Low Out-of-Band Noise, Integrated Negative Charge Pump
PCM1789	TI	功能相似	24-Bit, 192-kHz Sampling, Enhanced Multi-Leve

与PCM1740相关器件

型号	品牌	获取价格	描述	数据表
PCM1740E	BB	获取价格	Stereo Audio DIGITAL-TO-ANALOG CONVERTER with VCXO and PLL
PCM1740E	TI	获取价格	DIGITAL-TO-ANALOG CONVERTER
PCM1740E/2K	TI	获取价格	DIGITAL-TO-ANALOG CONVERTER
PCM1740E/2KG4	TI	获取价格	SERIAL INPUT LOADING, DAC WITH PROGRAMMABLE PLL, PDSO24, GREEN, SSOP-24
PCM1740E-2/2K	TI	获取价格	94dB SNR Stereo DAC with Programmable PLL&VCXO 24-SSOP
PCM1740EG4	TI	获取价格	SERIAL INPUT LOADING, DAC WITH PROGRAMMABLE PLL, PDSO24, GREEN, SSOP-24
PCM1741	BB	获取价格	+3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITA
PCM1741	TI	获取价格	DIGITAL-TO-ANALOG CONVERTER
PCM1741/E2K	BB	获取价格	+3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITA
PCM1741E	BB	获取价格	+3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITA

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