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resistor array pattern of dac
Thanks for your reply.
The matching of resistor is 0.5 lsb of 8 bit and the matching of cap is 0.5 lsb of 10 bit .
But I still have question, the matching of cap is 0.5lsb of 10bit or 2 bit ?
hybrid dac
I am working on a 10-bit sar adc that uses cap and resistor ladder. 8 msb for the resistor ladder and 2 lsb for cap array. The spec is 0.5lsb dnl, don't care about snr...
What are the matching requirements for the resistor and cap and how to analyze them?
Can anyone help?
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