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 D Implemented Twinned Binary Coding as Split-Phase or Manchester Coding for One-Line Interfacing D Operating Temperature Range: −40°C to +125°C APPLICATIONS
D Motor Control D Current Measurement D Industrial Process Control D Instrumentation D Smart Transmitters DESCRIPTION
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, and industrial process control. The ADS1203 is available in TSSOP-8 and QFN-16 (3x3) packages. VIN+ VIN− REFIO VDD (AVDD) Second−Order ∆Σ Modulator VDD (BVDD) Buffer 20MHz RC Oscillator Interface Circuit 20kΩ 2.5V Reference Voltage MDAT MCLK CLKOUT M0 M1 GND (AGND) GND (BGND) NOTE: BOLD pins are available only in QFN package.
Texas Instruments
