參數(shù)資料
型號(hào): W78C374B
廠商: WINBOND ELECTRONICS CORP
英文描述: MONITOR MICROCONTROLLER
中文描述: 顯示器單片機(jī)
文件頁數(shù): 36/38頁
文件大?。?/td> 396K
代理商: W78C374B
Preliminary W78E378/W78C378/W78C374
- 36 -
Test strategy before shipping:
(1) Vi = 0V => ADC < 20
(2) Vi = 0.8V => ADC > 25
(3) Vi = 3.2V => ADC < 248
(4) Vi = 4.4V => ADC = 255
(5) 0.8V < Vi < 3.2V, 25 points (step 0.1V) will be tested. All test points should be recognized
correctly.
Comment:
a. (1) guarantees 0V input can be recognized (ADC value < 20).
b. (4) guarantees 5V input can be recognized (ADC value = 255).
c. (2), (3) and (5) guarantee linear (with 4 bits at least) within the usable range (0.8V to 3.2V).
ADC value
Analog voltage (V)
Usable range
0.8
20
25
248
4.4
3.2
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