參數(shù)資料
型號(hào): MCF51JM64VQH
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, RISC MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, QFP-64
文件頁數(shù): 16/50頁
文件大小: 1244K
代理商: MCF51JM64VQH
Preliminary Electrical Characteristics
MCF51JM128 ColdFire Microcontroller, Rev. 3
Freescale Semiconductor
23
2.7
Analog Comparator (ACMP) Electricals
2.8
ADC Characteristics
Table 12. Analog Comparator Electrical Specifications
Num
C
Rating
Symbol
Min
Typical
Max
Unit
1
Supply voltage
VDD
2.7
5.5
V
2
Supply current (active)
IDDAC
—20
35
μA
3
Analog input voltage
VAIN
VSS – 0.3
VDD
V
4
Analog input offset voltage
VAIO
20
40
mV
5
Analog Comparator hysteresis
VH
3.0
6.0
20.0
mV
6
Analog input leakage current
IALKG
——
1.0
μA
7
Analog Comparator initialization delay
tAINIT
——
1.0
μs
8
Bandgap Voltage Reference
Factory trimmed at VDD = 3.0 V, Temp = 25°CVBG
1.19
1.20
1.21
V
Table 13. 5 Volt 12-bit ADC Operating Conditions
Characteristic
Conditions
Symb
Min
Typ1
1 Typical values assume V
DDA = 5.0V, Temp = 25°C, fADCK=1.0MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
Max
Unit
Comment
Supply voltage
Absolute
VDDA
2.7
5.5
V
Delta to VDD (VDD-VDDA)
2
2 DC potential difference.
ΔV
DDA
–100
0
100
mV
Ground voltage
Delta to VSS (VSS-VSSA)
ΔV
SSA
–100
0
100
mV
Ref Voltage High
VREFH
2.7
VDDA
V
Ref Voltage Low
VREFL
VSSA
V
Input Voltage
VADIN
VREFL
—VREFH
V
Input
Capacitance
CADIN
—4.5
5.5
pF
Input Resistance
RADIN
—3
5
k
Ω
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
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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