1038

NTE1038
Integrated Circuit
3.5 Watt Audio Power Amplifier
Features:
D SRPP Circuit (Shunt−Regulated, Push−Pull)
D High Voltage Gain − 44dB typ
D Low Thermal Reistance − 10°C/W (max)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Power Dissipation (TC = +65°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6W
Output Current, IO(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25A
Operating Temperature Range (Note 1), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Note 1. Value when attached to the heat sink plate (θf = 10°C/W) at PT = 2.7W
Electrical Characteristics: (VCC = 13.2V, RL = 4Ω, f = 1kHz)
Parameter
Symbol
Voltage Gain
GV
Output Power
Pout
Total Harmonic Distortion
T.H.D.
Signal to Noise Ratio
S/N
Input Impedance
Rin
Test Conditions
Min
Typ
Max
Unit
−
44
−
dB
3.0
3.5
−
W
Pout = 0.5W
−
0.25
0.6
%
Rg = 0, Pout = 0.5W
−
85
−
dB
11
15
−
kΩ
T.H.D. = 10%
Pin Connection Diagram
Bypass 1
Feedback 2
Bypass 3
10 VCC
9 Output
8 GND
Input 4
7 Feedback
Bias 5
6 Bias
1.181 (30.0)
.945 (24.0)
.630 (16.0)
10
6
.315
(8.0)
1
5
.449 (11.4)
.100 (2.54)
.295
(7.5)
.166 (4.2)
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