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ADS1201

Burr-Brown Corporation
Part Number ADS1201
Manufacturer Burr-Brown Corporation
Description High Dynamic Range DELTA-SIGMA MODULATOR
Published Mar 23, 2005
Detailed Description ® ADS 120 ADS1201 1 High Dynamic Range DELTA-SIGMA MODULATOR FEATURES q q q q q 130dB DYNAMIC RANGE FULLY DIFFERENTI...
Datasheet PDF File ADS1201 PDF File

ADS1201
ADS1201

Overview
® ADS 120 ADS1201 1 High Dynamic Range DELTA-SIGMA MODULATOR FEATURES q q q q q 130dB DYNAMIC RANGE FULLY DIFFERENTIAL INPUT TWO-WIRE INTERFACE INTERNAL/EXTERNAL REFERENCE ON-CHIP SWITCHES FOR CALIBRATION DESCRIPTION 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.
The ADS1201 is designed for use in high resolution measurement applications including smart transmitters, industrial process control, weigh scales, chromatography, and portable instrumentation.
It is available in a 16-lead SOIC package.
APPLICATIONS q q q q q q INDUSTRIAL PROCESS CONTROL INSTRUMENTATION SMART TRANSMITTERS PORTABLE INSTRUMENTS WEIGH SCALES PRESSURE TRANSDUCERS AVDD AGND REF IN REF OUT VBIAS +2.
5V Reference Bias Generator BIASEN REFEN AINP AINN Second-Order ∆Σ Modulator MOUT MCLK 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 SPECIFICATIONS At TA = +25°C, AVDD = DVDD = +5V, MCLK = 320kHz, REFEN LOW, BIASEN LOW, and external +2.
5V reference, unless otherwise specified.
ADS1201U PARAMETER ANALOG INPUT Absolute Input Voltage Range With VBIAS(1) Differential Input Voltage Range With VBIAS(1) Input Impedance Input Capacitance Input Leakage Current At TMIN to TMAX SYSTEM PERFORMANCE D...


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