參數(shù)資料
型號: SAX-XC878-13FFI3V3
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封裝: PLASTIC, TQFP-64
文件頁數(shù): 25/141頁
文件大?。?/td> 2385K
代理商: SAX-XC878-13FFI3V3
XC878CLM
Electrical Parameters
Data Sheet
115
V1.1, 2009-08
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 (
V
SS) must be
externally connected to one single star point in the system. The voltage difference
between the ground pins must not exceed 200mV.
Table 41
ADC Characteristics (Operating Conditions apply;
V
DDP = 5V Range)
Parameter
Symbol
Limit Values
Unit Test Conditions/
Remarks
min.
typ . max.
Analog reference
voltage
V
AREF
SR
V
AGND
+ 1
V
DDP
V
DDP
+ 0.05
V
1)
Analog reference
ground
V
AGND
SR
V
SS -
0.05
V
SS
V
AREF
- 1
V
Analog input
voltage range
V
AIN
SR
V
AGND
V
AREF
V
ADC clocks
f
ADC
24
MHz module clock1)
f
ADCI
––
142)
MHz internal analog clock1)
Sample time
t
S
CC (2 + INPCR0.STC)
×
t
ADCI
s
Conversion time
t
C
s
Differential
Nonlinearity
|EA
DNL|
CC –
1.5
LSB 10-bit conversion
Integral
Nonlinearity
|EA
INL|
CC –
2.5
LSB 10-bit conversion
Offset
|EA
OFF|
CC –
3
LSB 10-bit conversion
Gain
|EA
GAIN| CC –
2.5
LSB 10-bit conversion
Switched
capacitance at the
reference voltage
input
C
AREFSW CC –
10
14
pF
Switched
capacitance at the
analog voltage
inputs
C
AINSW
CC –
4
5
pF
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