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PCM1850PJT 参数 Datasheet PDF下载

PCM1850PJT图片预览
型号: PCM1850PJT
PDF下载: 下载PDF文件 查看货源
内容描述: 24位, 96 kHz的立体声6× 2通道MUX和PGA的A / D转换器 [24-BIT, 96-kHz STEREO A/D CONVERTER WITH 6 X 2-CHANNEL MUX AND PGA]
分类和应用: 转换器
文件页数/大小: 30 页 / 365 K
品牌: BURR-BROWN [ BURR-BROWN CORPORATION ]
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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
FEATURES
D
Multiplexer and Programmable-Gain Amplifier
(PGA)
6×2-Channel Single-Ended Inputs
Multiplexed Output
Maximum Input Level: 2.4 V rms
Input Resistance: 50 kΩ, Minimum
PGA Gain: 11 to –11 dB Range,
0.5 dB/Step
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
D
D
D
D
D
24-Bit Delta-Sigma Stereo A/D Converter
D
Antialiasing Filter Included
D
Oversampling Decimation Filter
D
D
Lead-Free Product
Oversampling Frequency:
×64
Pass-Band Ripple:
±0.05
dB
Stop-Band Attenuation: –65 dB
On-Chip High-Pass Filter: 0.91 Hz (48 kHz)
D
High Performance
THD+N: 0.0023% (Typically)
SNR: 101 dB (Typically)
Dynamic Range: 102 dB (Typically)
D
PCM Audio Interface
DESCRIPTION
APPLICATIONS
D
DVD/HDD/DVD+HDD Recorder
D
AV Amplifier Receiver
D
CD Recorder
D
MD Recorder
D
Multi-Track Recorder
D
Electric Musical Instrument
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
–40°C to 85°C
40°C
–40°C to 85°C
40°C
PACKAGE
MARKING
PCM1850
PCM1851
ORDERING
NUMBER
PCM1850PJT
PCM1850PJTR
PCM1851PJT
PCM1851PJTR
TRANSPORT
MEDIA
Tray
Tape and reel
Tray
Tape and reel
PCM1850PJT
PCM1851PJT
32-Lead
32 Lead TQFP
32-Lead
32 Lead TQFP
32PJT
32PJT
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