參數(shù)資料
型號: MB90242A
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-Bit Proprietary Microcontroller(16位專用微控制器)
中文描述: 16-BIT, 32 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, LQFP-80
文件頁數(shù): 30/57頁
文件大?。?/td> 754K
代理商: MB90242A
MB90242A Series
30
5. A/D Converter Electrical Characteristics
(V
CC
= 5.0 V
±
10%, V
SS
= 0.0 V, T
A
= –30
°
C to +70
°
C)
Value
*1: When F
C
= 32 MHz, and the machine cycle is 62.5 ns.
*2: I
AS
and I
RS
are current when the A/D converter is not operating and the CPU is stopped.
Notes:
The smaller | AVRH – AVRL |, the greater the error would become relatively.
If the output impedance of the external circuit of an analog input is too high, an analog voltage sampling
time might be insufficient. When the sampling period close to the minimum value is used, the output
impedance of the external circuit should be less than approximately 300
.
Parameter
Symbol
Pin name
Unit
Remarks
Min.
Typ.
Max.
Resolution
8, 10
10
±
3.0
±
2.0
±
1.9
bit
Total error
LSB
Linearity error
LSB
Differential linearity error
LSB
Zero transition voltage
V
Ot
AN0 to AN3
AN6, AN7
AVRL – 1.0
AVRL + 1.0
AVRL + 3.0
LSB
Full-scale transition
voltage
V
FST
AN0 to AN3
AN6, AN7
AVRH – 4.0
AVRH – 1.0
AVRH + 1.0
LSB
Conversion time
1.25
μ
s
ns
Specified by the
ADCT register
settings.*
1
V
CC
= 5.0 V
±
10%
Sampling period
560
Conversion period a
125
ns
Conversion period b
125
ns
Conversion period c
250
ns
Analog port input current
I
AIN
AN0 to AN3
AN6, AN7
0.1
3
μ
A
Analog input voltage
AN0 to AN3
AN6, AN7
AVRL
AVRH
V
Reference voltage
AVRH
AVRL + 2.7
AV
CC
V
AVRH – AVRL
2.7
AVRL
0
AVRH – 2.7
V
Power supply current
I
A
AV
CC
15
20
mA
I
AS
*
2
5
μ
A
AV
CC
= 5.5 V
in stop mode
Reference voltage
supply current
I
R
AVRH
1.5
2
mA
I
RS
*
2
5
μ
A
AV
CC
= 5.5 V
in stop mode
Interchannel disparity
AN0 to AN3
AN6, AN7
4
LSB
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