參數(shù)資料
型號: ST7PLITE02F0U6TR
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, QCC20
封裝: QFN-20
文件頁數(shù): 8/125頁
文件大?。?/td> 1956K
代理商: ST7PLITE02F0U6TR
ST7LITE0x, ST7LITESx
105/125
13.11 8-BIT ADC CHARACTERISTICS
TA = -40°C to 85°C, unless otherwise specified
Notes:
1. Unless otherwise specified, typical data are based on TA=25°C and VDD-VSS=5V. They are given only as design guide-
lines and are not tested.
2. Data based on characterization results, not tested in production.
3. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than 10k
). Data
based on characterization results, not tested in production.
4. The stabilization time of the AD converter is masked by the first tLOAD. The first conversion after the enable is then
always valid.
Figure 80. Typical Application with ADC
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fADC
ADC clock frequency
4
MHz
VAIN
Conversion voltage range
VSS
VDD
V
RAIN
External input resistor
10 1)
k
CADC
Internal sample and hold capacitor
VDD=5V
3
pF
tSTAB
Stabilization time after ADC enable
fCPU=8MHz, fADC=4MHz
0 2)
s
tCONV
Conversion time (tSAMPLE+tHOLD)3
tSAMPLE Sample capacitor loading time
4
1/fADC
tHOLD
Hold conversion time
8
AINx
ST7XX
VDD
IL
±1
A
VT
0.6V
VT
0.6V
CADC
3pF
VAIN
RAIN
8-Bit A/D
Conversion
2k
(max)
CAIN
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