參數(shù)資料
型號: LC72147V
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 180 MHz, PDSO24
封裝: SSOP-24
文件頁數(shù): 10/22頁
文件大小: 154K
代理商: LC72147V
No. 6675-18/22
LC72147V
A/D converter structure
The LC72147V A/D converter is a 6-bit successive-approximation converter. It features a conversion time of about
17 s. The full-scale voltage level is the Vreg level, which corresponds to a data value of 3FH.
ADC1
Selector
Comparator
Discrimination
circuit
Selector
Decoder
Do pin
Register
*: These bits are always 0.
ADC0
ADI0
ADI1
ADS
Vref max = Vreg
AD04
*
AD05
Vref
AD02
AD03
AD13
AD14
AD15
AD00
AD01
AD10
AD11
AD12
CE
Conversion
Conversion starts
Conversion completes
ADC1
CTS = 1
ADC0
tWA1 : 0.5 to 2.0
s
tAW2 : 1.0 to 2.2
s
tAD : 7.3 to 16.7
s
end-AD
t
WA1
t
WA2
t
AD
t
AD
ADI1
ADI0
Input pin
1
Illegal setting
1
0
ADC0
0
1
ADC1
0
ADC0/ADC1
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