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PCM1850 PDF预览

PCM1850

更新时间: 2024-11-12 22:44:31
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页数 文件大小 规格书
30页 365K
描述
24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA

PCM1850 数据手册

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Burr-Brown Products  
from Texas Instruments  
PCM1850  
PCM1851  
SLES108 MARCH 2004  
24-BIT, 96-kHz STEREO A/D CONVERTER  
WITH 6 y 2-CHANNEL MUX AND PGA  
Master/Slave Mode Selectable  
FEATURES  
Data Formats: 24-Bit Left Justified,  
D
Multiplexer and Programmable-Gain Amplifier  
(PGA)  
6×2-Channel Single-Ended Inputs  
Multiplexed Output  
2
24-Bit I S, 16-, 24-Bit Right Justified  
D
Mode Control by Serial Interface:  
With SPI Control (PCM1850)  
2
With I C Control (PCM1851)  
Maximum Input Level: 2.4 V rms  
Input Resistance: 50 k, Minimum  
PGA Gain: 11 to –11 dB Range,  
0.5 dB/Step  
D
D
D
Sampling Rate: 16–96 kHz  
System Clock: 256 f , 384 f , 512 f , 768 f  
s
s
s
s
Dual Power Supplies:  
5 V for Analog, 3.3 V for Digital  
Package: 32-Pin TQFP  
Lead-Free Product  
D
D
D
24-Bit Delta-Sigma Stereo A/D Converter  
Antialiasing Filter Included  
D
D
Oversampling Decimation Filter  
Oversampling Frequency: ×64  
Pass-Band Ripple: 0.05 dB  
APPLICATIONS  
Stop-Band Attenuation: –65 dB  
On-Chip High-Pass Filter: 0.91 Hz (48 kHz)  
D
D
D
D
D
D
DVD/HDD/DVD+HDD Recorder  
AV Amplifier Receiver  
CD Recorder  
D
D
High Performance  
THD+N: 0.0023% (Typically)  
SNR: 101 dB (Typically)  
Dynamic Range: 102 dB (Typically)  
MD Recorder  
Multi-Track Recorder  
Electric Musical Instrument  
PCM Audio Interface  
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 I2C 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  
OPERATION  
TEMPERATURE  
RANGE  
PACKAGE  
MARKING  
ORDERING  
NUMBER  
TRANSPORT  
MEDIA  
PRODUCT  
PACKAGE  
PACKAGE CODE  
PCM1850PJT  
PCM1850PJTR  
PCM1851PJT  
PCM1851PJTR  
Tray  
PCM1850PJT  
PCM1851PJT  
32-Lead TQFP  
32-Lead TQFP  
32PJT  
32PJT  
–40°C to 85°C  
–40°C to 85°C  
PCM1850  
PCM1851  
Tape and reel  
Tray  
Tape and reel  
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 © 2004, Texas Instruments Incorporated  

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