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ADS1201 PDF预览

ADS1201

更新时间: 2024-11-05 22:39:03
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13页 145K
描述
High Dynamic Range DELTA-SIGMA MODULATOR

ADS1201 数据手册

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®
ADS1201  
ADS1201  
High Dynamic Range  
DELTA-SIGMA MODULATOR  
DESCRIPTION  
FEATURES  
130dB DYNAMIC RANGE  
The ADS1201 is a precision, 130dB dynamic range,  
delta-sigma (∆Σ) modulator operating from a single  
+5V supply. The differential inputs are ideal for direct  
connection to transducers or low level signals. With  
the appropriate digital filter and modulator rate, the  
device can be used to achieve 24-bit analog-to-digital  
(A/D) conversion with no missing codes. Effective  
resolution of 20 bits can be maintained with a digital  
filter bandwidth of 1kHz at a modulator rate of 320kHz.  
FULLY DIFFERENTIAL INPUT  
TWO-WIRE INTERFACE  
INTERNAL/EXTERNAL REFERENCE  
ON-CHIP SWITCHES FOR CALIBRATION  
APPLICATIONS  
INDUSTRIAL PROCESS CONTROL  
INSTRUMENTATION  
The ADS1201 is designed for use in high resolution  
measurement applications including smart transmit-  
ters, industrial process control, weigh scales, chroma-  
tography, and portable instrumentation. It is available  
in a 16-lead SOIC package.  
SMART TRANSMITTERS  
PORTABLE INSTRUMENTS  
WEIGH SCALES  
PRESSURE TRANSDUCERS  
AVDD AGND  
REF IN  
REF OUT  
VBIAS  
+2.5V  
Reference  
Bias  
Generator  
BIASEN  
REFEN  
AIN  
P
Second-Order  
∆Σ  
Modulator  
MOUT  
MCLK  
AINN  
CAL GAIN/OFFSET  
DVDD DGND  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
• Tel: (520) 746-1111  
Twx: 910-952-1111 Internet: http://www.burr-brown.com/  
Cable: BBRCORP Telex: 066-6491  
FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132  
©1997 Burr-Brown Corporation  
PDS-1417C  
Printed in U.S.A. October, 1999  

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