参数资料
型号: ST72T141K2B1XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, SHRINK, PLASTIC, DIP-32
文件页数: 31/132页
文件大小: 823K
代理商: ST72T141K2B1XXX
ST72141K
126/132
MEMORY AND PERIPHERAL CHARACTERISTICS (Cont’d)
Notes:
1) Unless otherwise specified, typical data is based on TA=25°Cand VDD-VSS=5V. This data is provided only for design
guidelines and is not tested.
2) Tested in production at TA=25°C, characterized over all temperature range.
3) ADC Accuracy vs. Negative Injection Current:
For IINJ-=0.8mA, the typical leakage induced inside the die is 1.6A and the effect on the ADC accuracy is a loss of 1 LSB
by 10K
increase of the external analog source impedance.
These measurement results and recommendations have been done under worst conditions for injection:
- negative injection
- injection to an Input with analog capability, adjacent to the enabled Analog Input
-at 5V VDD supply, and worst case temperature.
4) Data based on characterization results, not tested in production.
ADC Analog to Digital Converter (8-bit)
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
|TUE|
Total unadjusted error 3)
TA=25°C,VDD=VDDA=5V,
2)
fCPU=8MHz
2
LSB
OE
Offset error 3)
-1
1
GE
Gain Error 3)
-2
2
|DLE|
Differential linearity error 3)
1
|ILE|
Integral linearity error 3)
2
VAIN
Conversion range voltage
VSSA
VDDA
V
IADC
A/D conversion supply current
fADC=fCPU=4MHz
VDD=VDDA=5V
1mA
tSTAB
Stabilization time after ADC enable
30
s
tLOAD
Sample capacitor loading time
8
32
s
1/fADC
tCONV
Hold conversion time
8
32
s
1/fADC
RAIN
External input resistor
20 4)
k
RADC
Internal input resistor
18
k
CSAMPLE Sample capacitor
22
pF
相关PDF资料
PDF描述
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