NTE NTE1820

NTE1820
Integrated Circuit
Module, Dual AF PO, 30W/Ch,
Dual Power Supply
Features:
D Contains Emitter Follower Circuit for Upgrading
D Case Temperature +125°C is Guaranteed, Thereby Enabling Great Reduction of Heat Sink
D By Attaching Muting Circuit Externally, Pop Noise at Power ON/OFF can be Rejected
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±43V
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2°C/W
Maximum 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 = ±27.5V, RL = 8Ω, PO = 30W, f = 50Hz), ts . . . . . . . . . 2sec
Recommended Operating Conditions: (TA = +25°C unless othrwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±27.5V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Operating Characteristics: (TA = +25°C, VCC = ±27.5V, RL = 8Ω, Rg = 600Ω, VG = 40dB unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
ICCO
VCC = ±34V
35
70
120
mA
Output Power
PO(1)
THD = 0.02%, f = 20Hz to 20kHz
30
–
–
W
PO(2)
VCC = ±23V, THD = 0.08%, RL = 4Ω, f = 1kHz
30
–
–
W
Total Harmonic Distortion
THD
PO = 1W, f = 20Hz to 20kHz
–
–
0.02
%
Frequency Response
fL, fH
PO = 1W
–
Hz
ri
PO = 1W
–
90k
–
Ω
VNO
VCC = ±34V
–
–
1.2
mVrms
VN
VCC = ±34V
–70
–
+70
mV
Input Resistance
Output Noise Voltage
Midpoint Voltage
10 to 100k
10
5
12
9
R2
TR1
TR9
TR2
TR7
TR6
C1
TR10
R6
14
3
1
R7
TR3
R4
TR4
16
TR8
D2
2
15
R5
TR5
TR11
R3
TR12
R8
R1
D1
SUB
4
7
6
8
11
13
3.071 (90.7)
.315 (8.0)
2.756 (70.0)
1.733
(44.0)
.866
(22.0)
1
16
.135 (3.45)
Dia (2 Holes)
.492 (12.5)
.100 (2.54)
1.500 (38.1)
.200 (5.08) Min