參數(shù)資料
型號(hào): MB90613A
廠商: Fujitsu Limited
英文描述: 16-Bit Proprietary Microcontroller(16位專用微控制器)
中文描述: 16位微控制器專利(16位專用微控制器)
文件頁(yè)數(shù): 68/91頁(yè)
文件大?。?/td> 953K
代理商: MB90613A
68
MB90610A Series
5. A/D Converter Electrical Characteristics
(AV
CC
= V
CC
= +2.7 V to +5.5 V, AV
SS
= V
SS
= 0.0 V, 2.7 V
AVRH – AVRL, T
A
= –40
°
C to +85
°
C)
*1: For V
CC
= +5.0 V
±
10% and a 16 MHz machine clock
*2: For V
CC
= +3.0 V
±
10% and a 8 MHz machine clock
*3: The current when the A/D converter is not operating or the CPU is in stop mode (for V
CC
= AV
CC
= AVRH = +5.0 V).
Notes: The relative error increases as |AVRH – AVRL| decreases.
The output impedance of the external circuit for the analog input should be in the following range.
Output impedance of external circuit < approx. 7 k
If the output impedance of the external circuit is too high, the sampling time for the analog voltage may be
too short. (Sampling time = 3.75
μ
s @4 MHz (This corresponds to 16 MHz internal operation if the multiplier
is 4.))
For an external capacitor to be provided outside the chip, its capacity should desirably be thousands times
larger than that of the capacity in the chip taking in consideration the influence of the capacity distribution
of the external and internal capacitors.
Parameter
Symbol
Pin name
Value
Unit
Min.
Typ.
Max.
Resolution
10
10
±
3.0
±
2.0
±
1.5
bit
Total error
LSB
Linearity error
LSB
Differential linearity error
LSB
Zero transition voltage
V
OT
AN0 to AN7
AVRL – 1.5
AVRL + 0.5
AVRL + 2.5
LSB
Full scale transition voltage
V
FST
AN0 to AN7
AVRH – 4.5
AVRH – 1.5
AVRH + 0.5
LSB
μ
s
μ
s
μ
A
V
Conversion time
6.125*
1
12.25*
2
Analog port input current
I
AIN
AN0 to AN7
0.1
10
Analog input voltage
V
AIN
AN0 to AN7
AVRL
AVRH
Reference voltage
AVRH
AVRL + 2.7
AV
CC
V
AVRL
0
AVRH – 2.7
V
Power supply current
I
A
AV
CC
3
mA
μ
A
μ
A
μ
A
LSB
I
AH
AV
CC
5
*3
Reference voltage supply current
I
R
AVRH
200
I
RH
AVRH
5
*3
Variation between channels
AN0 to AN7
4
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