PCM1741/E2K Datasheet

IC型號：
PCM1741/E2K
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+3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multile...
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PCM1741

PCM

1 74

www.ti.com

+3.3V Single-Supply, 24-Bit, 96kHz Sampling

Enhanced Multilevel, Delta-Sigma, Audio

DIGITAL-TO-ANALOG CONVERTER

FEATURES

24-BIT RESOLUTION

ANALOG PERFORMANCE (V

= +3.3V):

Dynamic Range: 98dB typ

SNR: 98dB typ

THD+N: 0.005% typ

Full-Scale Output: 2.05Vp-p typ

8x OVERSAMPLING DIGITAL FILTER:

Stopband Attenuation: 鈥?5dB

Passband Ripple:

鹵

0.03dB

SAMPLING FREQUENCY: 5kHz to 100kHz

SYSTEM CLOCK: 256, 384, 512, 768f

with

Auto Detect

ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO

DATA

DATA FORMATS: Standard, I

S, and Left-

Justified

USER-PROGRAMMABLE MODE CONTROLS:

Digital Attenuation: 0dB to 鈥?3dB, 0.5dB/Step

Digital De-Emphasis

Digital Filter Roll-Off: Sharp or Slow

Soft Mute

Zero Flags for Each Output

3.3V SINGLE POWER SUPPLY

5V TOLERANT DIGITAL INPUTS

SMALL SSOP-16 PACKAGE

APPLICATIONS

AV RECEIVERS

DVD MOVIE PLAYERS

DVD ADD-ON CARDS FOR HIGH-END PCs

HDTV RECEIVERS

CAR AUDIO SYSTEMS

OTHER APPLICATIONS REQUIRING 24-BIT

AUDIO

DESCRIPTION

The PCM1741 is a CMOS, monolithic, integrated circuit

which includes stereo Digital-to-Analog Converters

(DACs) and support circuitry in a small SSOP-16 package.

The data converters utilize Texas Instrument鈥檚 enhanced

multilevel delta-sigma architecture that employs fourth-

order noise shaping and 8-level amplitude quantization to

achieve excellent dynamic performance and improved toler-

ance to clock jitter. The PCM1741 accepts industry standard

audio data formats with 16- to 24-bit data, providing easy

interfacing to audio DSP and decoder chips. Sampling rates

up to 100kHz are supported. A full set of user-program-

mable functions are accessible through a 3-wire serial

control port that supports register write functions.

SBAS175

Printed in U.S.A. December, 2000

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