NTE1273 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Dual, Audio Power Amp, 5W/Ch

NTE1273
Integrated Circuit
Dual, Audio Power Amp, 5W/Ch
Description:
The NTE1273 is a bipolar monolithic integrated circuit in a 20−Lead DIP type package. This 2 channel
audio power amplifier is ideal for use in high power car radio applications.
Features:
D Low Distortion
D Self centering Bias
D High Peak Output Current
D Dual Channel/BTL Amp Use
D Low Offset Voltage (Between Ch1 and Ch2 DC Voltage)
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Output Peak Current (Per Channel), I_O(Peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20W
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C
Electrical Characteristics: (T_A = +25°C, V_CC = 13.2V, R_L = 4Ω, R_g = 600Ω, R_f = 68Ω, f = 1kHz,
Dual channel operation, G_V = 54dB unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Output Power
I_CCQ
P_O
THD = 10%, Note 1
BTL, THD = 10%, Note 1
20 36 70 mA
4.2 4.8 − W
− 15 − W
Maximum Output Power
P_OM
THD = 10%, R_L = 2Ω
Dual
BTL
− 7.5 − W
− 6 −W
− 20 − W
Total Harmonic Distortion
Output Noise Voltage
THD
V_NO
Dual, P_O = 1W
R_g = 10kΩ
BW = 50Hz to 20kHz
− 0.2 0.8 %
− 1.2 3.0 mV
− 1.2 3.0 mV
Note 1. G_V = 47kΩ/R_f (G_Vmax = 70dB)