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PCM1742KE/2K Datasheet

  • PCM1742KE/2K

  • 24-Bit, 192kHz Sampling Enhanced Multilevel, Delta-Sigma, Au...

  • 321.50KB

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PCM1742
PCM
174
2
www.ti.com
24-Bit, 192kHz Sampling
Enhanced Multilevel, Delta-Sigma, Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q
24-BIT RESOLUTION
q
ANALOG PERFORMANCE (V
CC
= +5V):
Dynamic Range: 106dB typ (PCM1742KE)
100dB typ (PCM1742E)
SNR: 106dB typ (PCM1742KE)
100dB typ (PCM1742E)
THD+N: 0.002% typ (PCM1742KE)
0.003% typ (PCM1742E)
Full-Scale Output: 3.1Vp-p typ
q
4x/8x OVERSAMPLING DIGITAL FILTER:
Stopband Attenuation: 鈥?5dB
Passband Ripple:
鹵
0.03dB
q
SAMPLING FREQUENCY: 5kHz to 200kHz
q
SYSTEM CLOCK: 128, 192, 256, 384, 512,
768f
S
with Auto Detect
q
ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO
DATA
q
DATA FORMATS: Standard, I
2
S, and Left-
Justified
q
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
q
DUAL-SUPPLY OPERATION:
+5V Analog, +3.3V Digital
q
5V TOLERANT DIGITAL INPUTS
q
SMALL SSOP-16 PACKAGE
q
SAME PACKAGE SIZE AS SOP-8
APPLICATIONS
q
AV RECEIVERS
q
DVD MOVIE PLAYERS
q
DVD ADD-ON CARDS FOR HIGH-END PCs
q
DVD AUDIO PLAYERS
q
HDTV RECEIVERS
q
CAR AUDIO SYSTEMS
q
OTHER APPLICATIONS REQUIRING 24-BIT
AUDIO
DESCRIPTION
The PCM1742 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 PCM1742 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 200kHz are supported. A full set of user-program-
mable functions are accessible through a 3-wire serial
control port that supports register write functions.
Copyright 漏 2000, Texas Instruments Incorporated
SBAS176
Printed in U.S.A. December, 2000

PCM1742KE/2K 產(chǎn)品屬性

  • Texas Instruments

  • 音頻數(shù)/模轉(zhuǎn)換器 IC

  • 192 KHz

  • 24 bit

  • Serial (3-Wire)

  • 5 V

  • QSOP-16

  • Reel

  • SMD/SMT

  • 106 dB

  • 2000

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