器件资料：ADC0802，ADC0803，ADC0804

电力新兵

8-Bit, Microprocessor-Compatible, A/D Converters
0 l3 H3 M6 z1 t- DThe 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
& I9 H  G! N; q' R2 r1 abus via three-state outputs. These converters appear to the
3 W8 U8 N2 m& n: Y; Q: J1 a' zprocessor as memory locations or I/O ports, and hence no
" D" H& P! A2 Y! i0 C4 Yinterfacing logic is required.
# F! ?1 w* Q( r8 |6 ZThe differential analog voltage input has good commonmode-
rejection and permits offsetting the analog zero-inputvoltage
0 g0 z' ?( J6 Hvalue. 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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