1140

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), VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Supply Voltage (2), VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17V
Supply Current, ICC(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A
Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
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
Supply Current
ICC
Output Power
NTE1140
PO
Test Conditions
Vi = 0
THD = 10%
NTE1141
Total Harmonic Distortion
Min
Typ
Max
Unit
8
12
16
mA
1.5
2.0
−
W
1.2
1.5
−
W
THD
PO = 500mW
−
0.5
1.5
%
Audio Gain
An
PO = 500mW
51
−
56
dB
Noise Voltage
nn
RG = 0Ω
−
0.4
0.8
mV
Pin Connection Diagram
Input 1
8
Bypass
Bypass 2
7
Bootstrap
Frequency Compensation 3
6
VCC
Frequency Compensation 4
5
Output
Tab/GND
8
5
1
4
.550 (14.0)
.038
(0.96)
.197 (5.0)
.300 (7.62)
.252 (6.4)
.126
(3.2)
.100 (2.54)
.100 (2.54)
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