MM1378 查看數據表（PDF） - Mitsumi
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MM1378 Datasheet PDF : 4 Pages
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MITSUMI
Voltage and Current Control (dual op-amp and shunt regulator) (quad op-amp and shunt regulator) MM1377, 1378
Characteristics
Consumption current vs power supply voltage
(Ta=25°C)
2
1.5
MM1378
1
0.5
MM1377
0
0 5 10 15 20 25 30
Power supply voltage (V)
(VCC-output voltage) vs source current (Ta=25°C)
5
4
3
2
1
0
0.01
0.1
1
10
100
Source current (mA)
Output voltage vs sync current (Ta=25°C)
10
1
0.1
0.01
0.01
0.1
1
10
100
Sync current (mA)
Reference voltage vs cathode current (Ta=25°C)
5
4
3
2
1
0
0.001 0.01 0.1
1
10 100
Cathode current (mA)
Reference voltage vs Ambient temperature
2.55
2.5
Ik = 20mA
2.4-5 25
Ik = 1mA
0
25
50
75
Ambient temperature (°C)
Input offset voltage vs Ambient temperature
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
-25
0
25
50
75
Ambient temperature (°C)
Dynamic impedance vs frequency (Ta=25°C)
5
4
3
2
1
0
1k
10k
100k
1M
Frequency (Hz)
Voltage gain vs frequency (Ta=25°C)
120
100
80
60
40
20
0
0
100 1k 10k 100k 1M
Frequency (Hz)
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