NTE NTE1818

NTE1818
Integrated Circuit
Module, AF PO, 25W/Ch,
Dual Power Supply
Features:
D Muting circuit to cut off pop noise
D Greatly reduced heat sink due to case temperature +125°C guaranteed
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCC max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±39V
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6°C/W
Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C
Available Time for Load Shorted (VCC = ±26V, RL = 8Ω, f = 50Hz, PO = 25W), ts . . . . . . . . . . . 2sec
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Operating Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±26V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Operating Characteristics: (TA = +25°C, VCC = ±26V, RL = 8Ω, Rg = 600Ω, VG = 40dB,
RL: non–inductive load, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
ICCO
VCC = ±31V
20
40
100
mA
Output Power
PO(1)
THD – 0.4%, f = 20Hz ∼ 20kHz
25
–
–
W
PO(2)
VCC = ±22V, THD = 1.0%
25
–
–
W
Total Harmonic Distortion
THD
PO = 1.0W, f = 1kHz
–
–
0.3
%
Frequency Response
fL, fH
PO = 1.0W, –3dB
Input Resistance
Output Noise Voltage
ri
VNO
Midpoint Voltage
VN
Muting Voltage
VM
20 to 50k
Hz
PO = 1.0W, f = 1kHz
–
55
–
kΩ
VCC = ±31V. Rg = 10kΩ
–
–
1.2
mVrms
–70
0
70
mV
–2
–5
–10
V
VCC = ±31V
Pin Connection Diagram
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Rt Ch Input (–)
Rt Ch Input (+)
GND
Compensation
(–) VCC
Rt Ch Output
Bypass
(+) VCC
Lt Ch Output
(–) VCC
Compensation
Compensation
Muting
Compensation
Compensation
Compensation
Lt Ch Input (+)
Lt Ch Input (–)
2.520 (64.0)
2.190 (55.6)
.334 (8.5)
1.440
(36.4)
1
18
.141
(3.6)
Dia
(2 Holes)
.737
(18.7) 1.030
(32.5)
.158 (4.0)
.100 (2.54)
1.700 (43.18)
.114 (5.5)