NTE1472 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Audio Power Amplifier, 1W for Tape Recorder

NTE1472
Integrated Circuit
Audio Power Amplifier, 1W
for Tape Recorder
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Maximum Supply Voltage, V_CCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V
Supply Current, I₁₁ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Allowable Power Dissipation, P_Dmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W
(50 x 50 x 1.5mm³ Al heatsink added) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25W
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Recommended Operating Conditions: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Load Resistance, R_L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 (3.2) Ω
Electrical Characteristics: (T_A = +25°C, V_CC = 6V, R_L = 4Ω (3.2Ω), f = 1kHz, R_G = 600Ω unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Voltage Gain
I_CCO
VG
– 15 25 mA
– 75 – dB
Output Power
Input Resistance
Total Harmonic Distortion
Output Noise Volatge
P_O
r_i
THD
V_NO
R_L = 4Ω, THD = 10%
R_L = 3.2Ω, THD = 10%
P_O = 250mW
R_G = 10kΩ
R_G = 0Ω
0.7 1.0 – W
0.8 1.1 – W
12k 20k – Ω
– – 1.5 %
– – 2.5 mV
– – 0.8 mV