器件资料：ADC0802，ADC0803，ADC0804

电力新兵

8-Bit, Microprocessor-Compatible, A/D Converters
* T9 y* K7 `$ _  k/ ~# \3 cThe ADC0802 family are CMOS 8-Bit, successive-approximation
A/D converters which use a modified potentiometric
* y1 p  j9 b0 z( aladder 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
) l& [, s  ^) r, J5 hinterfacing logic is required.
The differential analog voltage input has good commonmode-
. K: x1 y6 ^# W! i8 f* k  @5 [rejection and permits offsetting the analog zero-inputvoltage
9 s+ B0 s, U3 S- r% u4 hvalue. In addition, the voltage reference input can be
1 v3 Q' e; h5 N7 badjusted to allow encoding any smaller analog voltage span
to the full 8 bits of resolution.
# x. ~0 d- ]" D; U4 K9 C