参数资料
型号: SAF-XC886CM-8FFA
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP48
封装: TQFP-48
文件页数: 6/119页
文件大小: 1615K
代理商: SAF-XC886CM-8FFA
XC886/888CLM
Electrical Parameters
Data Sheet
99
V0.1, 2006-02
Prelimary
Pr
el
i
m
i
nar
y
4.2.3
ADC Characteristics
The values in the table below are given for an analog power supply between 4.5 V to
5.5 V. The ADC can be used with an analog power supply down to 3 V. But in this case,
the analog parameters may show a reduced performance. All ground pins (VSS) must be
externally connected to one single star point in the system. The voltage difference
between the ground pins must not exceed 200mV.
Table 39
ADC Characteristics (Operating Conditions apply;
VDDP = 5V Range)
Parameter
Symbol
Limit Values
Unit
Test Conditions/
Remarks
min.
typ .
max.
Analog reference
voltage
VAREF
SR
VAGND
+ 1
VDDP
+ 0.05
V
Analog reference
ground
VAGND
SR
VSS
- 0.05
VSS
VAREF
- 1
V
Analog input
voltage range
VAIN SR VAGND
VAREF V
ADC clocks
fADC
24
25.8
MHz
module clock
fADCI
10
MHz
internal analog clock
Sample time
tS
CC (2 + INPCR0.STC)
×
tADCI
s
Conversion time
tC
s
Total unadjusted
error
TUE1)CC –
±1
LSB
8-bit conversion.2)
––
±2
LSB
10-bit conversion.
Switched
capacitance at the
reference voltage
input
CAREFSW
CC
–10
20
pF
Switched
capacitance at the
analog voltage
inputs
CAINSW
CC
–5
7
pF
Input resistance of
the reference input
RAREFCC –
1
2
k
Input resistance of
the selected analog
channel
RAIN CC –
1
1.5
k
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