EVAL-AD7440CB 查看數據表（PDF） - Analog Devices

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EVAL-AD7440CB

Differential Input, 1 MSPS 10-Bit and 12-Bit ADCs in an 8-Lead SOT-23

Analog Devices 

Power Supply Rejection Ratio (PSRR)

The power supply rejection ratio is the ratio of the power in

the ADC output at full-scale frequency, f, to the power of a

100 mV p-p sine wave applied to the ADC VDD supply of

frequency fS. The frequency of this input varies from 1 kHz to

1 MHz.

AD7440/AD7450A

PSRR (dB) = 10log(Pf/PfS)

Pf is the power at frequency f in the ADC output; Pfs is the

power at frequency fS in the ADC output.

Rev. C | Page 11 of 28

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