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參數(shù)資料
| 型號(hào)： | MB88101A |
| 廠商： | Fujitsu Limited |
| 英文描述： | A/D Converter (With 4-channel Input at 12-bit Resolution) |
| 中文描述： | 的A / D轉(zhuǎn)換器（帶有4個(gè)通道輸入的12位分辨率） |
| 文件頁數(shù)： | 9/18頁 |
| 文件大小： | 150K |
| 代理商： | MB88101A |
9
MB88101A
(3) Definitions of A/D converter terms
Resolution
Analog transition identifiable by the A/D converter
Linearity error
Deviation of the straight line drawn between the zero transition point (0000 0000 0000
0000 0000 0001)
and the full-scale transition point (1111 1111 1110
1111 1111 1111) of the device from actual conversion
characteristics
Differential linearity error
Deviation from the ideal input voltage required to shift output code by one LSB
Notes: The tolerance of output impedance of an external circuit connected to this A/D converter has an effect on
conversion time (CLK frequency). See “
I
TYPICAL CHARACTERISTICS”.
If the output impedance of the external input is too high, the analog voltage sampling time may be short.
When turning the device on, turn the power supply for the digital system first before turning V
REF
on.
Digital output
Actual converted value
Ideal converted value
Analog output
1111 1111 1111
1111 1111 1110
0000 0000 0001
0000 0000 0000
0000 0000 0010
V
OT
V
NT
V
(N+1)T
V
FST
(1 LSB
×
N + V
OT
)
Linearity error
1 LSB
Linearity error
Differential linearity error
=
=
= 1 LSB
(LSB)
(LSB)
V
FST
– V
OT
4094
V
NT
– (1 LSB
×
N + V
OT
)
1 LSB
V
– V
NT
Analog input
R
ON1
C
0
R
ON2
Comparator
R
ON1
= About 1.5 k
R
ON2
= About 1.5 k
C
0
= About 60 pF
Analog input equivalent circuit
Note:
The above values are reference values.
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| MB88101AP | A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88101APF | A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88101APFV | A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88111P-SH | A/D Converter (With 24-Channel Input at 10-bit Resolution) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB88101A_03 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88101AP | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88101APF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88101APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:A/D Converter (With 4-channel Input at 12-bit Resolution) |
| MB88101APFV-G-BND(E1) | 制造商:Fujitsu 功能描述: |
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