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ADS1203

Burr-Brown Corporation
Part Number ADS1203
Manufacturer Burr-Brown Corporation
Description MOTOR CONTROL CURRENT MEASUREMENT
Published Mar 23, 2005
Detailed Description ADS1203 SBAS318 − JUNE 2004 Motor Control Current Measurement 1ĆBit, 10MHz, 2ndĆOrder, DeltaĆSigma Modulator FEATURES D...
Datasheet PDF File ADS1203 PDF File

ADS1203
ADS1203


Overview
ADS1203 SBAS318 − JUNE 2004 Motor Control Current Measurement 1ĆBit, 10MHz, 2ndĆOrder, DeltaĆSigma Modulator FEATURES D 16-Bit Resolution D 14-Bit Linearity D ±250mV Input Range with Single +5V Supply D 1% Internal Reference Voltage D 1% Gain Error D Flexible Serial Interface with Four Different Modes DESCRIPTION The ADS1203 is a delta-sigma (∆Σ) modulator with a 95dB dynamic range, 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 16-bit analog-to-digital (A/D) conversion with no missing codes.
An effective resolution of 14 bits or SNR of 85dB (typical) can be maintained with a digital filter bandwidth of 40kHz at a modulator rate of 10MHz.
The ADS1203 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, industrial process control, weigh scales, chromatography, and portable instrumentation.
It is available in an 8-lead TSSOP package.
A 16-pin QFN (3x3) package will be available soon.
D Implemented Twinned Binary Coding as D Split-Phase or Manchester Coding for One-Line Interfacing Operating Temperature Range: −40°C to +85°C APPLICATIONS D Motor Control D Current Measurement D Industrial Process Control D Instrumentation D Smart Transmitters D Portable Instruments D Weight Scales D Pressure Transducers VIN+ VIN− 2nd−Order ∆Σ Modulator MDAT MCLK VDD GND Buffer RC Oscillator 20MHz Interface Circuit M0 M1 Reference Voltage 2.
5V 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.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms o...


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