NTE1381 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Audio Power Amp, 2.1W

NTE1381
Integrated Circuit
Audio Power Amp, 2.1W
Features:
D High Power Output at Low Voltage: P_O = 2.1W Typ (9V, 4Ω)
D Low Quiescent Current
Absolute Maximum Ratings: (T_A = +25°C unless oherwise specified)
Maximum Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V
Peak Supply Current, I_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Power Dissipation, P_D
No Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W
With Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25W
Operating Temperature Range,T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Electrical Characteristics: (T_A = +25°C, V_CC = 9V, R_L = 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
I_CQ
G_VO
G_VC
V_i = 0
V_i = 0.2mV
V_i = 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
P_O THD = 10%
1.3 2.1 − W
V_CC = 9V, R_L = 8Ω, THD = 10% − 1.4 − W
THD V_i = 5mV
− 0.5 1.5 %
V_NO R_g = 10kΩ
− − 3 mV
Zi
12 20 − kΩ