Introduction - If you have any usage issues, please Google them yourself
ADC0809 National Semiconductor production CMOS process 8-channel, 8-bit successive approximation A/D analog-to-digital converter. The interior of an 8-channel multiplexer switch, it can be decoded according to the address code latch signal gating one of the 8-channel analog input signal is A/D conversion. Is currently the most widely used 8-bit general purpose A/D chip