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Current-Shunt Delta-Sigma Modulator, 10MHz CLK, +/-250mV Input, 16-Bit Resolution


Package | PIN: PW | 8
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $6.95
10-24 $6.25
25-99 $5.84
100-249 $5.23
250-499 $4.89
500-749 $4.25
750-999 $3.68
1000+ $3.61


  • 16-Bit Resolution
  • 14-Bit Linearity
  • ±250mV Input Range with Single +5V Supply
  • 1% Internal Reference Voltage
  • 1% Gain Error
  • Flexible Serial Interface with Four Different Modes
  • Implemented Twinned Binary Coding as Split-Phase or Manchester Coding for One-Line Interfacing
  • Operating Temperature Range:
    –40°C to +125°C
    • Motor Control
    • Current Measurement
    • Industrial Process Control
    • Instrumentation
    • Smart Transmitters

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Texas Instruments  ADS1203IPWT

The ADS1203 is a delta-sigma () 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, and industrial process control. The ADS1203 is available in TSSOP-8 and QFN-16 (3x3) packages.