Alinx AN8238 사용자 설명서 - 페이지 8

{카테고리_이름} Alinx AN8238에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Alinx AN8238 17 페이지. 2-channel high speed ad module

2-Channel High Speed AD Module AN9238 User Manual

In the module circuit design, the VREF value of AD9238 is 1V, so the final

analog signal input and AD conversion data are as follows

AD Analog

AD8065 Operational

Input Value

Amplifier Output

-5 V

0 V

+5 V

From the table, we can see that the digital value converted by AD9238 is

the smallest when -5V is input, and the digital value converted by AD9238 is the

largest when it is +5V.

Part 2.6: AN9238 Digital Output Timing

The digital output of AD9238 dual-channel AD is +3.3VCMOS output mode,

2 channels (A and B) independent data and clock. AD data converts data on the

rising and falling edges of the clock, and the FPGA end can sample the AD data

with the AD clock.

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AD8138 Differential

Output (VIN+−VIN−)

-1 V

0 V

+1 V

AD9238 Digital

-1 V

000000000000

0 V

100000000000

+1 V

11111111111

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Output