參數(shù)資料
型號(hào): MB91101APF
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 92/99頁
文件大?。?/td> 935K
代理商: MB91101APF
MB91101/MB91101A
92
5.
A/D Converter Block Electrical Characteristics
(AVCC = 2.7 V to 3.6 V, AVSS = 0.0 V, AVRH = 2.7 V, TA = 0
°C to +70°C)
*1: AVCC = 2.7 V – 3.6 V
*2 Current value for A/D converters not in operation, CPU stop mode (VCC = AVCC = AVRH = 3.6 V)
Notes:
As the absolute value of AVRH decreases, relative error increases.
Output impedance of external circuit of analog input under following conditions;
Output impedance of external circuit < 10 k
.
If output impedance of external circuit is too high, analog voltage sampling time may be too short for
accuratesampling (sampling time is 5.6
s for a machine clock of 25 MHz).
Parameter
Symbol
Pin name
Value
Unit
Min
Typ
Max
Resolution
10
bit
Total error
±4.0
LSB
Linearity error
±3.5
LSB
Differentiation linearity error
±2.0
LSB
Zero transition voltage
VOT
AN0 to AN3
–1.5
+0.5
+2.5
LSB
Full-scale transition voltage
VFST
AN0 to AN3 AVRH – 4.5 AVRH – 1.5 AVRH + 0.5 LSB
Conversion time
5.6 *1
——
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
—4—
mA
IAH
AVCC
——
5 *2
A
Reference voltage supply current
IR
AVRH
200
A
IRH
AVRH
5 *2
A
Conversion variance between channels
AN0 to AN3
4
LSB
RON1
: 0.2 k
RON2
: 1.4 k
RON3
: 1.4 k
RON4
: 0.2 k
C0
: 16.6 pF
C1
: 4.0 pF
RON2
RON3
RON4
C0
C1
Analog input
Note: Listed values are for reference purposes only.
Comparator
Sample and hold circuit
Analog input circuit
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