NTE1331
Integrated Circuit
Module – Dual, Audio Power Amplifier,
25W/Channel, 2 Power Supplies Required
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax ±38V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Case Temperature, TC+105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg –30° to +105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Load Shorting Time (In appointed condition), ts2sec. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC ±26V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Load Resistance, RL8Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = ±28V, RL = 8Ω, Rg = 600Ω, VG = 40dB unless
otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Quiescent Current ICCO – – 120 mA
Output Power POTHD = 0.08%, f = 20Hz to 20kHz 25 – – W
Total Harmonic Distortion THD PO = 1W, f = 20Hz to 20kHz – – 0.08 %
Frequency Response f PO = 1W, +0, –3dB, f = 1kHz 10 to 100k Hz
Input Resistance riPO = 1W, f = 1kHz – 32 – kΩ
Pin Connection Diagram
(Front View)
(–) VCC2
(–) VCC1
(+) VCC1
(+) VCC2
Lt Ch Bias
Rt Ch Output
Lt Ch
10
9
8
7Lt Ch Output
6
5
4
3GND
2
Lt Ch Input
1
GND
Rt Ch
Rt Ch Bias
15
14
13
12
11
Rt Ch Input
16
Feedback
Rt Ch
Feedback
Feedback
Lt Ch
Feedback
.135 (3.45)
Dia (2 Holes)
.866
(22.0)
1.733
(44.0)
116
.100 (2.54)
1.500 (38.1)
2.756 (70.0)
3.071 (90.7)
.315 (8.0)
.492 (12.5)
.200 (5.08) Min
