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NTE1140 & NTE1141
Integrated Circuit
Audio Power Amplifier
Description:
The NTE1140 and NTE1141 are integrated circuits in an 8−Lead DIP type package designed for high
power and low noise audio power amplifier applications, and is suitable for use in car radio sets and
small stereo sets.
Features:
D NTE1140: PO = 2.0W
D NTE1141: PO = 1.5W
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (1), V
Supply Voltage (2), V
Supply Current, I
Power Dissipation (Note 1), P
CC1
CC2
CC(peak)
D
Operating Temperature Range, T
Storage Temperature Range, T
stg
opr
−20° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.9W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. 30mm x 30mm x 1mm heat sink.
Electrical Characteristics: (TA = +25°C, VCC = 13.2V, f = 1kHz, RL = 8Ω unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Current I
Output Power
NTE1140
NTE1141 1.2 1.5 − W
Total Harmonic Distortion THD PO = 500mW − 0.5 1.5 %
Audio Gain
Noise Voltage
CC
P
A
n
Vi = 0 8 12 16 mA
O
THD = 10% 1.5 2.0 − W
PO = 500mW 51 − 56 dB
n
RG = 0Ω − 0.4 0.8 mV
n
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Pin Connection Diagram
Input
Frequency Compensation
Frequency Compensation
1
2
3
4
Tab/GND
58
Bypass
8
BootstrapBypass
7
V
6
CC
5 Output
.197 (5.0)
.126
(3.2)
14
.550 (14.0)
.038
(0.96)
.300 (7.62)
.252 (6.4)
.100 (2.54).100 (2.54)
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