器件资料：ADC0802，ADC0803，ADC0804
8-Bit, Microprocessor-Compatible, A/D ConvertersThe ADC0802 family are CMOS 8-Bit, successive-approximation
A/D converters which use a modified potentiometric
ladder and are designed to operate with the 8080A control
bus via three-state outputs. These converters appear to the
processor as memory locations or I/O ports, and hence no
interfacing logic is required.
The differential analog voltage input has good commonmode-
rejection and permits offsetting the analog zero-inputvoltage
value. In addition, the voltage reference input can be
adjusted to allow encoding any smaller analog voltage span
to the full 8 bits of resolution.
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