1029

NTE1029
Integrated Circuit
Audio Power Amplifier, 3.5W
Features:
D SRPP Circuit (Shunt−Regulated Push−Pull Circuit) High Operating Stability on DC and AC
D High Voltage Gain: 44dB (Typ)
D Low Thermal Resistance: 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 unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
−
44
−
dB
3.0
3.5
−
W
Voltage Gain
Gv
Output Power
Pout
THD = 10%
Total Harmonic Distortion
THD
Pout = 500mW
−
0.25
0.6
%
Signal−to−Noise Ratio
S/N
Rg = 0, Pout = 3.5W
−
85
−
dB
Input Impedance
Rin
11
15
−
kΩ
Pin Connection Diagram
Feedback
1
10 VCC
Feedback
2
9
Output
Feedback
3
8
GND
Input
4
7
Feedback
Bypass
5
6
Feedback
1.181 (30.0)
.945 (24.0)
.630 (16.0)
10
6
.315
(8.0)
1
.100 (2.54)
5
.166 (4.2)
.217 (5.5)
.449 (11.4)
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