参数资料
型号: ST72T774S9T1
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, PQFP44
封装: TQFP-44
文件页数: 42/144页
文件大小: 1280K
代理商: ST72T774S9T1
ST72774/ST727754/ST72734
136/144
AC/DC ELECTRICAL CHARACTERISTICS (Cont’d)
8-bit A/D Converter
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fADC
Analog control frequency
VDD=5V
2
MHz
|TUE|
Total unadjusted error
fCPU=8MHz, fADC=2MHz
VDD=5V
2
LSB
OE
Offset error
-1
1
GE
Gain error
-1
1
|DLE|
Differential linearity error
0.5
|ILE|
Integral linearity error
0.5
VAIN
Conversion range voltage
VSS
VDD
V
IADC
A/D conversion supply current
fCPU=8MHz, fADC=2MHz
VDD=5V
1mA
tSTAB
Stabilization time after enable ADC
1
s
tLOAD
Sample capacitor loading time
1
4
s
1/fADC
tCONV
Conversion time
2
8
s
1/fADC
RAIN
External input resistor
15
k
RADC
Internal input resistor
1.5
k
CSAMPLE
Sample capacitor
6
pF
PWM/BRM Electrical and Timings
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
F
Repetition rate
TCPU =125ns
125
kHz
Res
Resolution
TCPU=125ns
125
ns
s
Output step
VDD=5V, 10 bits
5
mV
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