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參數(shù)資料
| 型號： | M62301FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 10~12-BIT 4CH INTEGRATING A-D CONVERTER |
| 中文描述： | 10?12位AD轉(zhuǎn)換器整合過程四路 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 89K |
| 代理商： | M62301FP |
( 4
ELECTRIC
MITSUBISHI
M62301SP,FP
MITSUBISHI<Dig.Ana.INTERFACE>
10~12-BIT 4CH INTEGRATING A-D CONVERTER
OPERATING DESCRIPTION
(1)Decoder
Based on digital inputs to C0,C1,C2,the analog switch
is set to on,and the input of "0" scale (GND input),input
of reference scale (reference voltage input),input to
A1~A4,or discharge
from integration capacitor (C
I
) is performed.None of these operations
is performed when the "mode 8" input is given:
Mode
C0
C2
1
0
0
0
2
1
0
0
3
0
1
0
4
5
0
0
1
A2
6
1
0
1
A3
7
8
1
Discharge
GND
1
1
0
0
1
1
A4
1
1
V
REF
A1
(2)A-D conversion
Multiplexer first selects V
GND
,obtaining minimum pulse
T
GND
.It then selects V
REF
,obtaining reference pulse
T
REF
.Input is selected next,obtaining input pulse T
IN
.V
IN
is
obtained by deducting T
GND
,as the offset,from T
REF
and
T
IN
.
Note. To ensure discharge from capacitor C
I
,the decoder input as in
the above diagram should stay in mode 1 at least for the
period calculated above:
Tdi=(C
I
X
1mA
V
IA
max+0.49
)
It is not necessary to measure T
GND
,and T
REF
for each
channel.
V
IN
=V
REF
T
REF
-T
G
T
IN
-T
G
By measuring voltage at the maximum input for
approximately 500μs under the counter clock of
8MHz,resolution of approximately 12bits can be obtained;
.=2
12
500μs
125ns
DECODER SELECTION MODE
1
2
3
1
1
4 ~ 7
1
V
IN
+0.49V
V
REF
+0.49V
0.49V
0.36V
T
GND
T
REF
T
IN
V 8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M62301FP#DF0J | 制造商:Renesas Electronics Corporation 功能描述:INTEGRATING A-D CONVERTER 制造商:Renesas Electronics Corporation 功能描述:ADC Single Double Integration 12-bit Serial 20-Pin SOP |
| M62301FP(#TF0J) | 制造商:Renesas Electronics Corporation 功能描述: |
| M62301SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:10~12-BIT 4CH INTEGRATING A-D CONVERTER |
| M62301SP(#TF0J) | 制造商:Renesas Electronics Corporation 功能描述: |
| M62303FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:High Precision Double Integration Type A/D Converter |
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