NJM2781 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJM2781 Datasheet PDF : 11 Pages
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NJM2781
Mic Pow er Supply Voltage vs. Pow er Supply Voltage
RL=6.8kΩTa=25°C
3
2.5
2
1.5
1
0.5
0
-0.5
0
1
2
3
4
Pow er Supply Voltage [V]
Voltage Gain vs. Frequency
V+=2.8V,Vin=-40dBV,RL=9kΩ,Ta=25°C
30
28
26
24
22
20
101E0+0
1010E0+0
1E1+k3
Frequency [Hz]
101E0+k3
11000Ek+3
40
20
0
-20
-40
-60
-80
-100
-120
0
Votage Gain vs. Standby Voltage (Ta)
V +=2.8V ,V in=-40dBV ,f =1kHz ,RL=9kΩ
Ta=85°C
Ta=-40°C
Ta=25°C
0.5
1
1.5
2
Standby Voltage [V]
2.5
3
– 10 –
Mic Pow er Supply Voltage vs. Ambient Temperature
V+=2.8V,RL=6.8kΩ
3
2.5
2
1.5
1
0.5
0
-0.5
-40
Am10bient Temperatu6r0e [°C]
110
Voltage Gain vs. Ambient Temperature
V +=2.8V ,V in=-40dBV ,f =1kHz ,RL=9kΩ
30
28
26
24
22
20
-40
10
60
110
Ambient Temperature [°C]
Output Noise vs. Ambient Temperature
V+=2.8V,RL=9kΩ,Rg=600Ω,A-w eighted
-80
-85
-90
-95
-100
-105
-110
-115
-120
-40
10
60
110
Ambient Temperature [°C]
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