NTE1381 데이터 시트보기 (PDF) - NTE Electronics
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NTE1381 Datasheet PDF : 2 Pages
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NTE1381
Integrated Circuit
Audio Power Amp, 2.1W
Features:
D High Power Output at Low Voltage: PO = 2.1W Typ (9V, 4Ω)
D Low Quiescent Current
Absolute Maximum Ratings: (TA = +25°C unless oherwise specified)
Maximum Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V
Peak Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Power Dissipation, PD
No Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W
With Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25W
Operating Temperature Range,Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Electrical Characteristics: (TA = +25°C, VCC = 9V, RL = 4Ω, f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Circuit Current
Open Loop Voltage Gain
Closed Loop Voltage Gain
ICQ
GVO
GVC
Vi = 0
Vi = 0.2mV
Vi = 5mV
− 15 25 mA
− 70 − dB
42 45 48 dB
0.63 0.89 1.25 V
Output Power
Total Harmonic Distortion
Output Noise Voltage
Input Impedance
PO THD = 10%
1.3 2.1 − W
VCC = 9V, RL = 8Ω, THD = 10% − 1.4 − W
THD Vi = 5mV
− 0.5 1.5 %
VNO Rg = 10kΩ
− − 3 mV
Zi
12 20 − kΩ
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