ehsanelahimirza
Full Member level 6
working of adc0804
AOA and hi to all
i am using ADC0804 to convert data and use it with 89c51.
i am using it in free running mode i.e. wr rd intr are not connected to microcontroller but they are connected according to free running mode of ADC0804 data sheet.
circuit is on page#19 of data sheet.
i have tested this circuit on bread board but now when i have made PCB, no conversion i s there.
i am using 2 ADCs in my design and they are getting 2.5V DC at Vref/2 by LM336.
whats the problem there.........
thanks very much in advance
AOA and hi to all
i am using ADC0804 to convert data and use it with 89c51.
i am using it in free running mode i.e. wr rd intr are not connected to microcontroller but they are connected according to free running mode of ADC0804 data sheet.
circuit is on page#19 of data sheet.
i have tested this circuit on bread board but now when i have made PCB, no conversion i s there.
i am using 2 ADCs in my design and they are getting 2.5V DC at Vref/2 by LM336.
whats the problem there.........
thanks very much in advance