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PCM1748KE/2K Datasheet

  • PCM1748KE/2K

  • 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Aud...

  • 322.94KB

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PCM1748
PCM
1748
SBAS165A 鈥?MAY 2001
24-Bit, 96kHz 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 (PCM1748KE)
100dB typ (PCM1748E)
SNR: 106dB typ (PCM1748KE)
100dB typ (PCM1748E)
THD+N: 0.002% typ (PCM1748KE)
0.003% typ (PCM1748E)
Full-Scale Output: 3.1Vp-p typ
q
8x OVERSAMPLING DIGITAL FILTER:
Stopband Attenuation: 鈥?5dB
Passband Ripple:
鹵
0.03dB
q
SAMPLING FREQUENCY: 5kHz to 100kHz
q
SYSTEM CLOCK: 256, 384, 512, 768f
S
with
Auto Detect
q
ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO
DATAzx
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
A/V RECEIVERS
q
DVD MOVIE PLAYERS
q
DVD ADD-ON CARDS FOR HIGH-END PCs
q
HDTV RECEIVERS
q
CAR AUDIO SYSTEMS
q
OTHER MULTICHANNEL AUDIO SYSTEMS
DESCRIPTION
The PCM1748 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 im-
proved tolerance to clock jitter. The PCM1748 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-programmable functions
are accessible through a 3-wire serial control port that supports
register write functions.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 漏 2000, Texas Instruments Incorporated
www.ti.com

PCM1748KE/2K 產(chǎn)品屬性

  • Texas Instruments

  • 音頻數(shù)/模轉(zhuǎn)換器 IC

  • 96 KHz

  • 24 bit

  • Serial (3-Wire)

  • 5 V

  • + 85 C

  • QSOP-16

  • Reel

  • SMD/SMT

  • 2

  • 100 dB

  • 2000

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