NTE1293
Integrated Circuit
Dual, Audio Power Amp, 5.8W/Ch
Description:
The NTE1293 is a dual audio power amplifier in a 12–Lead SIP type package specifically designed
for car stereo applications. This device provides an output power of 7W/Ch to a 4Ω load with 10%
THD at 14.4V power supply.
Features:
D Very Low Number of External Components Required
D Easy Mounting with No Electrical Isolation Between the Package and Heat Sink
D Very Low Transient Noise at Power Switch–On
D No Damage for Reverse Insertion on the PC Board
D Thermal Shut–Down Circuit Included
D Load Dump Protection Circuit Included
Absolute Maximum Ratings:
Supply Voltage (Surge PW = 200ms), V
Supply Voltage (Quiescent, Note 1), V
Supply Voltage (Operational), V
Peak Circuit Current, I
package Dissipation, P
CC
D
Operating Temperature Range (Note 1), T
Storage Temperature Range, T
Note 1. Using an aluminum heat sink, R
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Circuit Current I
Output Power P
Total Harmonic Distortion THD PO = 0.5W – 0.3 1.0 %
Voltage Gain A
Channel Balance ∆A
Crosstalk CT f = 1kHz, other channel RG = 0 30 45 – dB
(TA = +25°C unless otherwise specified)
surge 40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
CC1
CC2
peak 4.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–30° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
opr
= 6°C/W.
thCA
(TA = +25°C, VCC = 13.2V, f = 1kHz, RL = 4Ω unless otherwise specified)
CC
vin = 0 30 80 180 mA
THD = 10%, VCC = 14.4V – 7.0 – W
O
THD = 10%, VCC = 13.2V 5.0 5.8 – W
THD = 10%, VCC = 14.4V, RL = 2Ω – 8.5 – W
PO = 2W, RL = 2Ω – 0.4 – %
PO = 0.5W 51 54 58 dB
V
PO = 0.5W – – ±1.5 dB
V
25V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Noise Level v
RG = 10kΩ – 1.4 4.0 mV
n
rms
Pin Connection Diagram
(Front View)
GND
12
11 Output Ch 2
10
Bootstrap Ch 2
9
V
Neg Feedback Ch 2
8
7
Input Ch 2
Input Ch 1
6
5
Neg Feedback Ch 1
4
Filter
3
Bootstrao Ch 1
Output Ch 1
2
1
GND
CC
.590
(14.9)
.256
(6.5)
1.260 (32.0) Max
.945 (24.0)
.070
(1.78)
112
.100 (2.54) .099 (2.5)
R Typ
.197 (5.0)
Max
.512
(13.0)