® Data Sheet CDP68HC68A2 April 2002 FN1963.
4 CMOS Serial 10-Bit A/D Converter The CDP68HC68A2 is a CMOS 8-bit or 10-bit successive approximation analog to digital converter (A/D) with a standard Serial Peripheral Interface (SPI) bus and eight multiplexed analog inputs.
Voltage referencing is user selectable to be relative to either VDD or analog channel 0 (AI0).
The analog inputs can range between VSS and VDD.
The CDP68HC68A2 employs a switched capacitor, successive approximation A/D conversion technique which provides an inherent sample-and-hold function.
An onchip Schmitt oscillator provides the internal timing for the A/D converter.
The Schmitt input can be externally clocked or conne...

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