Page 1
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, 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.
Electrical Characteristics: (VCC = 13.2V, RL = 4Ω, f = 1kHz unless otherwise specified)
CC
O(PEAK)
stg
T
opr
−30° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−55° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.25A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter Symbol Test Conditions Min Typ Max Unit
Voltage Gain G
Output Power P
Total Harmonic Distortion THD P
Signal−to−Noise Ratio S/N Rg = 0, P
Input Impedance R
out
in
v
THD = 10% 3.0 3.5 − W
= 500mW − 0.25 0.6 %
out
− 44 − dB
= 3.5W − 85 − dB
out
11 15 − kΩ
Page 2
Pin Connection Diagram
Feedback
Feedback12
Input
Bypass
1.181 (30.0)
.945 (24.0)
.630 (16.0)
10
V
CC
9
Output
3
4
5
GNDFeedback
8
7
Feedback
6
Feedback
10 6
15
.100 (2.54) .166 (4.2)
.217 (5.5)
.315
(8.0)
.449 (11.4)
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