參數(shù)資料
型號(hào)： MB90M407PF
元件分類： 微控制器/微處理器
英文描述： MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù)： 58/68頁
文件大?。?/td> 1486K
代理商： MB90M407PF
MB90M405 Series
DS07-13718-3E
61
5.
Electrical Characteristics of A/D Converter
(Ta
= 40 °C to +85 °C, VCC-CPU ≤ AVCC = 3.0 V to 3.6 V, VSS-CPU = VSS-IO = AVSS = 0 V)
*1 : When the A/D converter is not operating, voltage when CPU stopped (at VCC-CPU
= AVCC = 3.3 V)
*2 : tCP signifies 1/internal operating frequency. With tCP at internal 16 MHz, 1/16 MHz
= 62.5 ns.
Notes:
Reference “L” side set permanently to AVSS, and reference “H” side set permanently to AVCC. As AVCC
decreases, relative error increases.
Please use the output impedance of the external analog input circuit under the following conditions :
External circuit output impedance
≤ 10 k
An overly high external circuit output impedance could cause a lack of analog voltage sampling time.
Parameter
Sym-
bol
Pin Name
Value
Unit
Remarks
Min
Typ
Max
Resolution
10
bit
Total Error
±3.0
LSB
Non-linear Error
±2.5
LSB
Differential Linear Error
±1.9
LSB
Zero Transition Voltage
VOT
AN0 to AN15
AVSS
1.5 LSB
AVSS
+ 0.5 LSB
AVSS
+ 2.5 LSB
V
1 LSB
= AVCC/1024
Full-scale Transition Voltage
VFST
AN0 to AN15
AVCC
3.5 LSB
AVCC
1.5 LSB
AVCC
+ 0.5 LSB
V
Conversion Time
(sampling
+ comparison)
98 tCP*2
ns
16 MHz Operation
Sampling Time
32 tCP*2
ns
16 MHz Operation
Comparison Time
66 tCP*2
ns
16 MHz Operation
Analog Port Input Voltage
IAIN
AN0 to AN15
10
A
Analog Input Voltage
VAIN
AN0 to AN15
0
AVCC
V
Reference Voltage
AVCC
3.0
AVCC
V
Power Current
IA
AVCC
15
mA
IAH
AVCC
5
A*1
Reference Voltage Supply
Current
IR
AVCC
100
200
A
IRH
AVCC
5
A*1
Inter-channel Variance
AN0 to AN15
4LSB
C
RON
Analog input
Comparator
MB90M407, MB90M408
RON = approx. 1.5 k
C = approx. 30 pF
MB90MF408, MB90MV405
RON = approx. 3.0 k
C = approx. 65 pF
Note : Please use the figures given here as a rough guide.
Analog Input Circuit Equivalent Circuit Diagram
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