1281

NTE1281
Integrated Circuit
Module − Hybrid, Audio Power Amplifier, 50W
Features:
D 2 Power Supplied Required
D Darlington Type
D Pure Complementary Output
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltatge, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±53V
Collector Current, ICmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +105°C
Thermal Resistance, Junction−to−Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8°C/W
Allowable Load Shorting Time (VCC = ±36V, f = 50Hz, RL = 8Ω, PO = 50W), ts . . . . . . . . . . . . . 2sec
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±36V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Electrical Characteristics: (TA = +25°C, VCC = ±36V, RL = 8Ω, Rg = 600Ω, VG = 40dB unless
otherwise specified)
Parameter
Quiescent Current
Output Power
Total Harmonic Distortion
Symbol
ICCO
PO
THD
Test Conditions
Min
Typ
Max
Unit
VCC = ±43V
−
40
80
mA
THD = 0.1%, f = 20Hz to 20kHz
50
−
−
W
PO = 1W to 50W, f = 20Hz to 20kHz
−
−
0.1
%
PO = 1W, f = 1kHz
−
0.02
−
%
Pin Connection Diagram
(Front View)
10 Input (−)
9 VCC (+)
8 Output
7 N.C.
6 N.C.
5 N.C.
4 N.C.
3 Output
2 VCC (−)
1 Input (+)
2.335 (59.3)
2.050 (52.0)
.276 (7.0)
1.260
(32.0)
1
10
.550
(13.97)
.157 (3.9)
1.417 (35.6)
1.770 (45.0)
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