The ADC0819 is an 8-Bit successive approximation A/D converter with simultaneous serial I/O. The serial input controls an analog multiplexer which selects from 19 input channels or an internal half scale test voltage. An input sample-and-hold is implemented by a capacitive reference ladder and sampled data comparator. This allows the input signal to vary during the conversion cycle. Separate serial I/O and conversion clock inputs are provided to facilitate the interface to various microprocessors.
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Separate asynchronous converter clock and serial data I/O clock.19-Channel multiplexer with 5-Bit serial address logic.Built-in sample and hold function.Ratiometric or absolute voltage referencing.No zero or full-scale adjust required.Internally addressable test voltage.0V to 5V input range with single 5V power supply.TTL/MOS input/output compatible.28-pin molded chip carrier or 28-pin molded DIP
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Supply Voltage (VCC) 6.5V
Voltage
Inputs and Outputs -0.3V to VCC +0.3V
Input Current Per Pin (Note 3) 5mA
Total Package Input Current (Note 3) 20mA
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Required Field 
