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ADC10158 - 10-Bit Plus Sign 4s ADCs

General Description

The ADC10154 and ADC10158 are CMOS 10-bit plus sign successive approximation A/D converters with versatile analog input multiplexers, track/hold function and a 2.5V band-gap reference.

Key Features

  • n 4- or 8- channel configurable multiplexer n Analog input track/hold function n 0V to 5V analog input range with single +5V power supply n.
  • 5V to +5V analog input voltage range with ± 5V supplies n Fully tested in unipolar (single +5V supply) and bipolar (dual ± 5V supplies) operation n Programmable resolution/speed and output data format n Ratiometric or Absolute voltage reference operation n No zero or full scale adjustment required n No missing codes over temperature n Easy microproc.

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ADC10154/ADC10158 10-Bit Plus Sign 4 µs ADCs with 4- or 8-Channel MUX, Track/Hold and Reference November 1999 ADC10154/ADC10158 10-Bit Plus Sign 4 µs ADCs with 4- or 8-Channel MUX, Track/Hold and Reference General Description The ADC10154 and ADC10158 are CMOS 10-bit plus sign successive approximation A/D converters with versatile analog input multiplexers, track/hold function and a 2.5V band-gap reference. The 4-channel or 8-channel multiplexers can be software configured for single-ended, differential or pseudo-differential modes of operation. The input track/hold is implemented using a capacitive array and sampled-data comparator. Resolution can be programmed to be 8-bit, 8-bit plus sign, 10-bit or 10-bit plus sign. Lower-resolution conversions can be performed faster.