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PCM1801U/2K Datasheet

  • PCM1801U/2K

  • A/D CONVERTER

  • 213.54KB

  • 14页

  • ETC

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PCM1801
PCM
1
801
49%
FPO
SBAS131A 鈥?MAY 2001
16-Bit, Stereo, Audio
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q
DUAL 16-BIT MONOLITHIC
鈭單?/div>
ADC
q
SINGLE-ENDED VOLTAGE INPUT
q
64X OVERSAMPLING DECIMATION FILTER:
Passband Ripple:
卤
0.05dB
Stopband Attenuation: 鈥?5dB
q
ANALOG PERFORMANCE:
THD+N: 鈥?8dB (typ)
SNR: 93dB (typ)
Dynamic Range: 93dB (typ)
Internal High-Pass Filter
q
PCM AUDIO INTERFACE: Left Justified, I
2
S
q
SAMPLING RATE: 4kHz to 48kHz
q
SYSTEM CLOCK: 256f
S
, 384f
S
, or 512f
S
q
SINGLE +5V POWER SUPPLY
q
SMALL SO-14 PACKAGE
DESCRIPTION
PCM1801 is a low-cost, single chip stereo Analog-to-Digital
Converter (ADC) with single-ended analog voltage inputs.
The PCM1801 uses a delta-sigma modulator with 64x
oversampling, a digital decimation filter, and a serial inter-
face which supports Slave mode operation and two data
formats. The PCM1801 is suitable for a wide variety of cost-
sensitive consumer applications where good performance is
required.
PCM1801
(+)
(鈥?
V
IN
L
Single-Ended-
to-Differential
Converter
5th-Order
鈭單?/div>
Modulator
x1/64
Decimation
and
High-Pass Filter
Serial Data
Interface
BCK
V
REF
1
Reference
V
REF
2
LRCK
V
IN
R
Single-Ended-
to-Differential
Converter
(鈥?
(+)
5th-Order
鈭單?/div>
Modulator
DOUT
Format
Control
FMT
BYPAS
Clock/Timing Control
SCKI
Power Supply
V
CC
AGND
DGND
V
DD
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 1999, Texas Instruments Incorporated
www.ti.com

PCM1801U/2K 产品属性

  • Texas Instruments

  • 音频模/数转换器 IC

  • 16 bit

  • 2

  • 5.5 V

  • 4.5 V

  • 5 V

  • + 85 C

  • - 25 C

  • SOIC-14

  • Reel

  • 48 KSPs

  • SMD/SMT

  • 2000

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    BB
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