NTE1389 PDF даташит
Спецификация NTE1389 изготовлена «NTE» и имеет функцию, называемую «Integrated Circuit Dual / Audio Power Amplifier / 20W». |
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Детали детали
Номер произв | NTE1389 |
Описание | Integrated Circuit Dual / Audio Power Amplifier / 20W |
Производители | NTE |
логотип |
3 Pages
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NTE1389
Integrated Circuit
Dual, Audio Power Amplifier, 20W
Description:
the NTE1389 is an audio power amplifier in a 12–Lead SIP type package specifically designed for
car stereo applications. Typically, it provides 23W output power at 14.4V and 20W at 13.2V on a 4
Ohm load.
This device can be used without capacitors because it incorporates the original short circuit protection
which protects output power transistors and a speaker at the same time when the output terminal is
shorted to ground.
Features:
D Can be used as OCL Connection
D Very Low Output Offset Voltage
D High Output Power
D Very Low Distortion
D Very Low Number of External Low Size Components, Very Simple Mounting System with no
Electrical isolation Between the package and the Heat Sink
D Low Thermal Resistance
D Provides the Following Protective Circuits:
Load Dump Protection
Output Thermal Short Circuit Protection
Thermal Shutdown Protection
Speaker Protection
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage (Note 1), VCCsurge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Quiescent Supply Voltage (Note 2), VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Operational Supply Voltage, VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Peak Circuit Current, ICCpeak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5A
package Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20W
Operating Temperature Range (Note 2), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Note 1. Pulse Width = 200ms, Trise ≥ 1ms.
Note 2. Using an aluminum heat sink, RthCA = 4°C/W.
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Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Voltage Range
Load Impedance
VCC
RL
9.5 – 16 V
3.2 – 16 Ω
Electrical Characteristics: (TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Quiescent Current
Output Offset Voltage
Output Power
ICC
Voffset
PO
vin = 0
vin = 0
VCC = 14.4V THD = 10%
– 90 180 mA
– – ±150 mV
– 23 – W
VCC = 13.2V THD = 10%
16 20 – W
Voltage Gain
AV Vin = 2.45mV
53 55 56 dB
Total Harmonic Distortion
THD PO = 2W
– 0.15 1.0 %
Output Noise Level
vn RG = 0, BW = 20Hz to 20kHz
– 0.65 – mV
Supply Voltage Rejection Ratio SVRR RG = 0, fripple = 100Hz, vripple = 0.5V – 45 – dB
Input Resistance
Ri
– 45 – kΩ
Rolloff Frequency, High
fH Av = –3dB from 1kHz Ref.
– 90 – kHz
Rolloff Frequency, Low
fL
– 15 – Hz
Pin Connection Diagram
(Front View)
12 GND
11 Output 1
10 Feedback
9 VCC
8 47µF Cap
7 (+) Input 2
6 (+) Input 1
5 (–) Input 1
4 (–) Input 2
3 Bypass
2 Feedback
1 Output 2
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1.260 (32.0) Max
.945 (24.0)
.590
(14.9)
1
.256
(6.5)
.100 (2.54)
.070
(1.78)
12 R Typ
.099 (2.5)
.197 (5.0)
Max
.512
(13.0)
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