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NTE1112 Datasheet(PDF) 1 Page - NTE Electronics

Part # NTE1112
Description  Integrated Circuit Audio Power Amplifier, 4W @ 24V
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Manufacturer  NTE [NTE Electronics]
Direct Link  http://www.nteinc.com
Logo NTE - NTE Electronics

NTE1112 Datasheet(HTML) 1 Page - NTE Electronics

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NTE1112
Integrated Circuit
Audio Power Amplifier, 4W @ 24V
Description:
The NTE1112 is an integrated monolithic circuit in a 14−lead DIP plastic package with external heat−
sink.
Features:
D Output Power 2.2W (18V−16Ω)
D Low Quiescent Output Current
D High Efficiency
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC
27V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage (Note 1), Vi
0.5V to 27V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Peak Current, IO
1A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Tamb = 25°C), PD
1.35W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage and Junction Temperature Range, Tstg
−55 to +150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance Junction−Case, Rth j−case
17
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance Junction−Ambient, Rth j−amb
93
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. For V < 27V, Vimax = Vs
Electrical Characteristics: (Tamb = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max Unit
Total Quiescent Drain Current
Id
Vs = 12V
5.0
mA
Vs = 18V
6.2
mA
Quiescent Drain Current of
Output Transistors
Id
Vs = 12V
2.0
mA
Output Transistors
Vs = 18V
2.5
mA
Drain Current
Id
d = 10%
RL = 16Ω, PO = 2.2W, VS = 18V
175
mA
Input Bias Current
Ib
Vs = 18V
180
nA
Output Power
PO
d = 3%
Vs = 12V, RL = 8Ω
1.0
W
Vs = 18V, RL = 16Ω
1.7
W
Vs = 24V, RL = 50Ω
1.25
W
d = 10%
Vs = 12V, RL = 8Ω
1.0
1.4
W
Vs = 18V, RL = 16Ω
2.2
W
Internal Feedback Resistance
RF
15
k


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