参数资料
型号: MC9S08QB8CGK
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, BCC24
封装: 5 X 5 MM, 1 MM HEIGHT, 0.65 MM PITCH, ROHS COMPLIANT, MO-220VHHC-1, QFN-24
文件页数: 13/36页
文件大小: 1331K
代理商: MC9S08QB8CGK
MC9S08QB8 Series MCU Data Sheet, Rev. 3
Electrical Characteristics
Freescale Semiconductor
20
3.11
Analog Comparator (ACMP) Electricals
3.12
ADC Characteristics
Table 14. Analog Comparator Electrical Specifications
C
Characteristic
Symbol
Min
Typical
Max
Unit
D
Supply voltage
VPWR
1.8
3.6
V
D
Supply current (active)
IDDAC
—20
35
μA
D
Analog input voltage
VAIN
VSS – 0.3
VDD
V
P
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 15. 12-Bit ADC Operating Conditions
Characteristic
Conditions
Symbol
Min
Typical1
1 Typical values assume V
DDA = 3.0 V, Temp = 25 °C, fADCK = 1.0 MHz unless otherwise stated. Typical values are for reference
only and are not tested in production.
Max
Unit
Comment
Supply voltage
Absolute
VDDA
1.8
3.6
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
Supply Current
Stop, Reset, Module Off
IDDAD
—0.007
0.8
μA
Input Voltage
VADIN
VREFL
—VREFH
V
Input
Capacitance
CADIN
—4.5
5.5
pF
Input
Resistance
RADIN
—5
7
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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