参数资料
型号: MC9S08FL8CBM
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, PDIP32
封装: ROHS COMPLIANT, PLASTIC, SDIP-32
文件页数: 17/34页
文件大小: 464K
代理商: MC9S08FL8CBM
MC9S08FL16 Series Data Sheet, Rev. 3
Electrical Characteristics
Freescale Semiconductor
24
5.10
ADC Characteristics
Figure 16. ADC Input Impedance Equivalency Diagram
Table 12. 8-Bit ADC Operating Conditions
Characteristic
Conditions
Symb
Min
Typical1
1 Typical values assume V
DDA = 5.0 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
4.5
5.5
V
Delta to VDD (VDD – VDDA)
2
2 DC potential difference.
V
DDA
–100
0
100
mV
Ground voltage
Delta to VSS (VSS – VSSA)
V
SSA
–100
0
100
mV
Input voltage
VADIN
VREFL
—VREFH
V
Input
capacitance
—CADIN
—4.5
5.5
pF
Input resistance
RADIN
—3
5
k
Analog source
resistance
8-bit mode (all valid fADCK)RAS
——
10
k
External to MCU
ADC conversion
clock frequency
High speed (ADLPC = 0)
fADCK
0.4
8.0
MHz
Low power (ADLPC = 1)
0.4
4.0
+
+
VAS
RAS
CAS
VADIN
ZAS
Pad
leakage
due to
input
protection
ZADIN
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
RADIN
ADC SAR
ENGINE
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
INPUT PIN
RADIN
CADIN
INPUT PIN
RADIN
INPUT PIN
RADIN
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