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AD650: Can AD650 Voltage to Frequency converter be used as a Frequency to Voltage converter?
Yes, Like other charge-balanced VFCs,the AD650 can be used in a reverse mode as a frequency-to-voltage (F/V) converter. We have an application note covering this. Please refer to the application note AN-279: Using the AD650 Voltage-to-Frequency Converter As a Frequency-to-Voltage Converter. This application note discusses the F/V architecture and operation,component selection, a design example, and the trade-off between output ripple and circuit response time.