NTE1337
Integrated Circuit
Module − Hybrid, Audio Power Amp
70 Watt, 2 Power Supplies Required
Features:
DMinimum Output Power − 70W
DDual Power Supply − Single Channel
DThick Film Hybrid
DLoad Shorting Protector
Absolute Maximum Ratings:
Supply Voltage, VCC ±55V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collector Current, IC7A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Case Temperature, Tc +85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg −30° to +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction to Case, RΘJC 1.4°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = ±42V, RL = 8Ω, Rg = 600Ω, VG = 26.4dB)
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current ICCO VCC = ±50V −50 100 mA
Output Power PO(1) THD = 0.2%, f = 20 to 20kHz 70 − − W
PO(2) THD = 0.2%, f = 1kHz −80 −W
PO(3) THD = 0.2%, VCC = ±50V, f = 1kHz −100 −W
Total Harmonic Distortion THD(1) PO = 1 to 70W, f = 20 to 20Hz − − 0.2 %
THD(2) PO = 1W, f = 1kHz −0.03 −%
Frequency Response f PO = 1W, +0dB, −1dB 10 to 100k Hz
Input Resistance riPO = 1W, f = 1kHz −52 −kΩ
Output Noise Voltage VNO VCC = ±50V, Rg = 10kΩ−0.3 0.5 mVrms
Noise Voltage VNVCC = ±50V, −70 −70 −70 mV
Pin Connection Diagram
Ripple Filter
(−) VCC 1
(+) VCC 1
(+) VCC 2
GND
N.C.
(+) Input
(−) Input
Compensation
Output
9
8
7
6
5
4
3
2
1
10
(−) VCC
Ripple Filter
110
.135 (3.42)
Dia
(2 Holes)
2.766 (70.0)
3.071 (78.0)
1.422 (36.0)
1.733
(44.0)
.492
(12.5)
.157 (4.0)
.028 (0.71)
.315 (8.0)
