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ADS1205

Burr-Brown Corporation
Part Number ADS1205
Manufacturer Burr-Brown Corporation
Description DELTA-SIGMA MODULATOR
Published Mar 16, 2016
Detailed Description ADS1205 SBAS312B − JANUARY 2005 − REVISED AUGUST 2007 Two 1ĆBit, 10MHz, 2ndĆOrder DeltaĆSigma Modulators FEATURES D 16...
Datasheet PDF File ADS1205 PDF File

ADS1205
ADS1205

Overview
ADS1205 SBAS312B − JANUARY 2005 − REVISED AUGUST 2007 Two 1ĆBit, 10MHz, 2ndĆOrder DeltaĆSigma Modulators FEATURES D 16-Bit Resolution D 14-Bit Linearity D ±2.
5V Input Range at 2.
5V D Internal Reference Voltage: 2% D Gain Error: 0.
5% D Two Independent Delta-Sigma Modulators D Two Input Reference Buffers D On-Chip 20MHz Oscillator D Selectable Internal or External Clock D Operating Temperature Range: −40°C to +85°C D QFN-24 (4x4) Package APPLICATIONS D Motor Control D Current Measurement D Industrial Process Control D Instrumentation D Resolver DESCRIPTION The ADS1205 is a two-channel, high-performance, delta-sigma (∆Σ) modulator with more than 98dB dynamic range, operating from a single +5V supply.
The differential inputs are ideal for direct connection to transducers in an industrial environment.
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.
Effective resolution of 14 bits can be obtained with a digital filter bandwidth of 40kHz at a modulator rate of 10MHz.
The ADS1205 is designed for use in high-resolution measurement applications including current measurements, smart transmitters, industrial process control, and resolvers.
It is available in a QFN-24 (4x4) package.
CH A+ CH A− REFIN A CH B+ CH B− REFIN B AVDD 2nd−Order ∆Σ Modulator 2nd−Order ∆Σ Modulator BVDD Output Interface Circuit OUT A OUT B C LK OUT Divider Clock Select C LK IN C LK SE L REFOUT Reference Voltage 2.
5V Out EN RC Oscillator 20MHz AGND BGND 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 of Texas Instruments standard warranty.
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