The ADC0844 and ADC0848 are CMOS 8-bit successive approximation A/D converters with
versatile analog input multiplexers. The 4-channel or 8-channel multiplexers can be software
configured for single-ended, differential or pseudo-differential modes of operation.
The differential mode provides low frequency input common mode rejection and allows
offsetting the analog range of the converter. In addition, the A/D's reference can be adjusted
enabling the conversion of reduced analog ranges with 8-bit resolution.
The A/Ds are designed to operate from the control bus of a wide variety of
microprocessors. TRI-STATE output latches that directly drive the data bus permit the A/Ds to be
configured as memory locations or I/O devices to the microprocessor with no interface logic
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