參數(shù)資料
型號: MB91V301CR-ESE1
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 68 MHz, RISC MICROCONTROLLER, CPGA179
封裝: CERAMIC, PGA-179
文件頁數(shù): 29/139頁
文件大小: 1482K
代理商: MB91V301CR-ESE1
MB91301 Series
124
5.
Electrical Characteristics for the A/D Converter
(VCC
= AVCC = 3.0 V to 3.6 V, VSS = AVSS = 0 V, AVRH = 3.0 V to 3.6 V , Ta = 0 °C to +70 °C)
*1 : For VCC
= AVCC = 3.0 V to 3.6 V , machine clock = 34 MHz
*2 : Current when A/D converter not operating and CPU in stop mode (VCC
= AVCC = AVRH = 3.6 V)
Notes :
The relative error increases as AVRH becomes smaller.
Ensure that the output impedance of the external circuit connected to the analog input meets the following
condition :
Output impedance of external circuit
< 7 k
If the output impedance of the external circuit is too high, the analog voltage sampling time may be too
short.
Parameter
Symbol
Pin name
Value
Unit
Min
Typ
Max
Resolution
10
BIT
Total error
8.5
+8.5
LSB
Linearity error
3.0
+3.0
LSB
Differential linearity error
2.5
+2.5
LSB
Zero transition error
VOT
AN0 to AN3
8.0
+0.5
+8.0
LSB
Full-scale transition error
VFST
AN0 to AN3
AVRH
8.0 AVRH 1.5 AVRH + 8.0
LSB
Conversion time*1
4.1
s
machine
clock (CLKP)
34 MHz at
operating
s
Analog port input current
IAIN
AN0 to AN3
0.1
10
A
Analog input voltage
VAIN
AN0 to AN3
AVss
AVRH
V
Reference voltage
AVRH
AVss
AVCC
V
Power supply current
IA
AVCC
0.6
2
mA
IAH*2
10
A
Reference voltage supply current
IR
AVRH
0.6
2
mA
IRH*2
10
A
Variation between channels
AN0 to AN3
5LSB
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