參數(shù)資料
型號: MCF51QE128CLK
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 50.33 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 14 MM, ROHS COMPLIANT, LQFP-80
文件頁數(shù): 20/38頁
文件大?。?/td> 978K
代理商: MCF51QE128CLK
Electrical Characteristics
MCF51QE128 Series Data Sheet, Rev. 7
Freescale Semiconductor
27
3.11
Analog Comparator (ACMP) Electricals
3.12
ADC Characteristics
Table 16. Analog Comparator Electrical Specifications
C
Characteristic
Symbol
Min
Typical
Max
Unit
D
Supply voltage
VDD
1.80
3.6
V
C
Supply current (active)
IDDAC
—20
35
μA
D
Analog input voltage
VAIN
VSS – 0.3
VDD
V
C
Analog input offset voltage
VAIO
20
40
mV
C
Analog comparator hysteresis
VH
3.0
9.0
15.0
mV
P
Analog input leakage current
IALKG
——
1.0
μA
C
Analog comparator initialization delay
tAINIT
——
1.0
μs
Table 17. 12-bit ADC Operating Conditions
C
Characteristic
Conditions
Symb
Min
Typ1
1 Typical values assume V
DDAD = 3.0V, Temp = 25°C, fADCK=1.0MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
Max
Unit
Comment
D
Supply voltage
Absolute
VDDAD
1.8
3.6
V
Delta to VDD (VDD-VDDAD)
2
2 DC potential difference.
ΔV
DDAD
-100
0
+100
mV
D
Ground voltage
Delta to VSS (VSS-VSSAD)
ΔV
SSAD
-100
0
+100
mV
D
Ref Voltage High
VREFH
1.8
VDDAD
V
D
Ref Voltage Low
VREFL
VSSAD
V
D
Input Voltage
VADIN
VREFL
—VREFH
V
C
Input
Capacitance
CADIN
—4.5
5.5
pF
C
Input Resistance
RADIN
—5
7
k
Ω
C
Analog Source
Resistance
12 bit mode
fADCK > 4MHz
fADCK < 4MHz
RAS
2
5
k
Ω
External to MCU
10 bit mode
fADCK > 4MHz
fADCK < 4MHz
5
10
8 bit mode (all valid fADCK)—
10
D
ADC Conversion
Clock Freq.
High Speed (ADLPC=0)
fADCK
0.4
8.0
MHz
Low Power (ADLPC=1)
0.4
4.0
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