NTE NTE1373

NTE1373
Integrated Circuit
Dual Audio Power Amplifier Circuit, 7.5W
Description:
The NTE1373 is an integrated circuit designed for use as a 7.5W (16W, 4Ω) power amplifier output
with low noise and low distortion suitable for TV sets with multi−sound.
Stereo operation is possible due to incorporating two amplifiers on one 12−Lead SIP type chip.
Features:
D Built−In Protection Circuits (Surge, Thermal Protection, etc.)
D Automatic Operating Point Stabilizer Circuit
D Low Distortion, Low 1/f Noise
D Low Shock Noise from Power ON/OFF Operation
D Better Channel Separation
D Few External Components Required
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC
Note 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V
Note 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A
Power Dissipation (TA = +45°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30W
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C
Note 1. Without signal VCC = 24V (For non−stabilized supply)
Note 2. Operation VCC = 20V (For stabilized supply)
Electrical Characteristics: (TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz unless otherwise specified)
Parameter
Symbol
Quiescent Curcuit Current
ICQ
Voltage Gain
GV
Test Conditions
Min
Typ
Max
Unit
Vi = 0
40
70
120
mA
VCC = 16V, RL = 8Ω, Vi = 0
40
80
150
mA
Vi = 3mV
52
54
56
dB
VCC = 16V, RL = 8Ω, Vi = 4mV
53
54
56
dB
Electrical Characteristics (Cont’d): (TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz unless otherwise
specified)
Parameter
Output Power
Symbol
PO
Test Conditions
Min
Typ
Max
Unit
4.8
5.5
−
W
−
7.5
−
W
4.0
4.5
−
W
Vi = 3mV
−
0.15
1.0
%
VCC = 16V, RL = 8Ω, Vi = 4mV
−
0.1
1.0
%
Rg = 10kΩ
−
1
3
mV
VCC = 16V, RL = 8Ω, Rg = 10kΩ
−
1
3
mV
THD = 10%
VCC = 16V, THD = 10%
VCC = 16V, RL = 8Ω, THD = 10%
Total Harminic Distortion
Output Noise Voltage
THD
Vno
Channel Balance
CB
Vi = 3mV
−
0
1
dB
Channel Separation
Sep
Vi = 3mV
45
50
−
dB
Ripple Rejection
RR
f = 60Hz, Rg = 600Ω
−
40
−
dB
Crosstalk
CT
VCC = 16V, Rl = 8Ω, Vi = 4mV, Rg = 10kΩ
45
−
−
dB
Pin Connection Diagram
(Front View)
12 Ripple Filter
11 Ch 2 Output
10 GND
9 Ch 2 Input
8 NFB Ch 2
7 Bootstrap Ch 2
6 Bootstrap Ch 1
5 NFB Ch 1
4 Ch 1 Input
3 GND
2 Ch 1 Output
1 VCC
1.181 (30.0)
.185
(4.7)
.945 (24.0)
.591
(15.0)
140 (3.56)
.310
(7.87)
1
12
.295
(7.5)
Min
.100 (2.54) Typ
1.200 (30.5)
.106 (2.7)