參數(shù)資料
型號(hào)： PCM1851PJT
英文描述： 24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA
中文描述： 24位，96千赫立體聲A / D轉(zhuǎn)換器6 × 2通道的MUX和PGA
文件頁(yè)數(shù)： 1/30頁(yè)
文件大?。?/td> 370K
代理商： PCM1851PJT
PCM1850
PCM1851
SLES108
MARCH 2004
24-BIT, 96-kHz STEREO A/D CONVERTER
WITH 6 2-CHANNEL MUX AND PGA
FEATURES
Multiplexer and Programmable-Gain Amplifier
(PGA)
6
×
2-Channel Single-Ended Inputs
Multiplexed Output
Maximum Input Level: 2.4 V rms
Input Resistance: 50 k
, Minimum
PGA Gain: 11 to –11 dB Range,
0.5 dB/Step
24-Bit Delta-Sigma Stereo A/D Converter
Antialiasing Filter Included
Oversampling Decimation Filter
Oversampling Frequency:
×
64
Pass-Band Ripple:
±
0.05 dB
Stop-Band Attenuation: –65 dB
On-Chip High-Pass Filter: 0.91 Hz (48 kHz)
High Performance
THD+N: 0.0023% (Typically)
SNR: 101 dB (Typically)
Dynamic Range: 102 dB (Typically)
PCM Audio Interface
Master/Slave Mode Selectable
Data Formats: 24-Bit Left Justified,
24-Bit I
2
S, 16-, 24-Bit Right Justified
Mode Control by Serial Interface:
With SPI Control (PCM1850)
With I
2
C Control (PCM1851)
Sampling Rate: 16–96 kHz
System Clock: 256 f
s
, 384 f
s
, 512 f
s
, 768 f
s
Dual Power Supplies:
5 V for Analog, 3.3 V for Digital
Package: 32-Pin TQFP
Lead-Free Product
APPLICATIONS
DVD/HDD/DVD+HDD Recorder
AV Amplifier Receiver
CD Recorder
MD Recorder
Multi-Track Recorder
Electric Musical Instrument
DESCRIPTION
The PCM1850/1851 is a high-performance, low-cost, single-chip stereo analog-to-digital converter with a single-ended
analog front end that consists of a 6-stereo-input multiplexer and wide-range PGA. The PCM1850/1851 includes a
delta-sigma modulator with 64-times oversampling, a digital decimation filter and a low-cut filter that removes the dc
component of the input signal. For various applications, the PCM1850/1851 supports two modes (master and slave) and
four data formats through a serial control interface, SPI for the PCM1850 and I
2
C for the PCM1851, respectively. The
PCM1850/1851 is suitable for a wide variety of cost-sensitive DVD/CD/MD recorder and receiver applications where good
performance and operation from a 5-V analog supply and 3.3-V digital supply is required. The PCM1850/1851 is fabricated
using a highly advanced CMOS process and is available in a small 32-pin TQFP package.
ORDERING INFORMATION
PRODUCT
PACKAGE
PACKAGE CODE
OPERATION
TEMPERATURE
RANGE
PACKAGE
MARKING
ORDERING
NUMBER
TRANSPORT
MEDIA
PCM1850PJT
32 Lead TQFP
32-Lead TQFP
32PJT
–40
°
C to 85
°
C
PCM1850
PCM1850PJT
Tray
PCM1850PJTR
Tape and reel
PCM1851PJT
32 Lead TQFP
32-Lead TQFP
32PJT
–40
°
C to 85
°
C
PCM1851
PCM1851PJT
Tray
PCM1851PJTR
Tape and reel
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.
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.
Burr-Brown Products
from Texas Instruments
Copyright
2004, Texas Instruments Incorporated
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PCM3000E Stereo Audio CODEC 18-BITS, SERIAL INTERFACE TM
PCM3001 Stereo Audio CODEC 18-BITS, SERIAL INTERFACE TM
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