1155

NTE1155
Integrated Circuit
Audio Power Amplifier, 5.8W
Description:
The NTE1155 is an integrated circuit in a 10–Lead SIP type package designed for use as an audio
power amplifier for car radio and car stereo applications
Features:
D Output Power:
POUT = 5.8W (Typ) at VCC = 13.2V, RL = 4Ω, THD = 10%
POUT = 9.2W (Typ) at VCC = 13.2V, RL = 2Ω, THD = 10%
D Maximum Output Power:
POM = 9.5W (Typ) at VCC = 13.2V, RL = 4Ω
D Low Distortion:
THD = 0.15% at POUT = 1W, GV = 55dB
THD = 0.07% at POUT = 1W, GV = 44dB
D Wide Operating Supply Voltage Range: VCC = 9V to 18V
D Low Noise
D Current Limiting for Short–Circuit Protection
D Built–In Thermal Shut–Down Circuit
D Built–In Surge Voltage protection Circuit
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Operating Supply Voltage (Note 1), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Quiescent Supply Voltage, VCCQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Output Current (Peak), IO(Peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5A
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Note 1. Minimum Operating Voltage is 9V.
Electrical Characteristics: (TA = +25°C, VCC = 12.5V, RL = 4Ω, Rg = 600Ω, Rf = 82Ω, f = 1kHz
unless otherwise specified)
Parameter
Symbol
Quiescent Current
Test Conditions
Min
Typ
Max
Unit
–
–
60
mA
VCC = 18V
–
–
80
mA
THD = 10%
4.5
5.0
–
W
VCC = 13.2V, THD = 10%
–
5.8
–
W
VCC = 13.2V, RL = 2Ω, THD = 10%
–
9.2
–
W
ICCQ
Output Power
PO
Maximum Output Power
POM
VCC = 13.2V
–
9.5
–
W
Total Harmonic Distortion
THD
POUT = 1W
–
0.15
1.0
%
POUT = 100mW
–
0.2
1.0
%
POUT = 1W, RL = 2Ω
–
0.25
1.0
%
Voltage Gain
GV
VIN = 2.45mVrms
52
55
58
dB
Input Resistance
RIN
VOUT = 2Vrms
30
40
–
kΩ
Output Noise Voltage
VNO
Rg = 10kΩ, BW = 50 to 20kHz
–
–
3.5
mV
Pin Connection Diagran
(Front View)
10
9
8
7
6
5
4
3
2
1
Output
GND
Feedback
RC Network
Input
Bypass
Bypass
Bypass
Feedback
VCC
1.050 (26.67) Max
.867 (22.0)
.079
(2.0)
.128 (3.2) Dia
.276
(7.0)
.433
(11.0)
1
10
.217 (5.5)
.100 (2.54)
.900 (22.8)
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