Alinx AN8238 Manual do utilizador - Página 6

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2-Channel High Speed AD Module AN9238 User Manual

The following table is the voltage comparison table after analog input signal

and AD8065 operational amplifier output:

AD Analog Input Value

-5 V

0 V

+5 V

Part

2.2:

Single-ended

Conversion

The input voltage of -1V~+1V is converted into a differential signal (VIN+ −

VIN−) by the AD8138 chip, and the common mode level of the differential signal

is determined by the CML pin of AD.

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AD8065 Operational Amplifier Output

Differential

-1 V

0 V

+1 V

and