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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, V
Power Dissipation (TC = +65°C), P
Output Current, I
Operating Temperature Range (Note 1), T
Storage Temperature Range, T
Note 1. Value when attached to the heat sink plate (θf = 10°C/W) at PT = 2.7W
CC
T
O(peak)
opr
stg
18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.25A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−30° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (VCC = 13.2V, RL = 4Ω, f = 1kHz)
Parameter Symbol Test Conditions Min Typ Max Unit
Voltage Gain G
Output Power P
Total Harmonic Distortion T.H.D. P
Signal to Noise Ratio S/N Rg = 0, P
Input Impedance R
V
out
in
T.H.D. = 10% 3.0 3.5 − W
= 0.5W − 0.25 0.6 %
out
= 0.5W − 85 − dB
out
− 44 − dB
11 15 − kΩ
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Pin Connection Diagram
Bypass
Feedback
Bypass
Input
Bias
1.181 (30.0)
.945 (24.0)
.630 (16.0)
1
2
3
4
5
V
10
Output
9
GND
8
7
Feedback
Bias
6
CC
.100 (2.54)
10 6
.315
(8.0)
15
.449 (11.4)
.295
(7.5)
.166 (4.2)
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