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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 = +25C 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 +75C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Note 1. Pulse Width = 200ms, Trise 1ms. Note 2. Using an aluminum heat sink, RthCA = 4C/W. Recommended Operating Conditions: (TA = +25C unless otherwise specified) Parameter Supply Voltage Range Load Impedance Symbol VCC RL Test Conditions Min 9.5 3.2 Typ - - Max 16 16 Unit V Electrical Characteristics: (TA = +25C, VCC = 13.2V, RL = 4, f = 1kHz unless otherwise specified) Parameter Quiescent Current Output Offset Voltage Output Power Voltage Gain Total Harmonic Distortion Output Noise Level Supply Voltage Rejection Ratio Input Resistance Rolloff Frequency, High Rolloff Frequency, Low Symbol ICC Voffset PO AV THD vn SVRR Ri fH fL Pin Connection Diagram (Front View) Test Conditions vin = 0 vin = 0 VCC = 14.4V THD = 10% VCC = 13.2V THD = 10% Vin = 2.45mV PO = 2W RG = 0, BW = 20Hz to 20kHz RG = 0, fripple = 100Hz, vripple = 0.5V Av = -3dB from 1kHz Ref. Min - - - 16 53 - - - - - - Typ 90 - 23 20 55 0.15 0.65 45 45 90 15 Max 180 150 - - 56 1.0 - - - - - Unit mA mV W W dB % mV dB k kHz Hz 12 GND 11 Output 1 10 Feedback 9 VCC 8 47F Cap 7 (+) Input 2 6 (+) Input 1 5 (-) Input 1 4 (-) Input 2 3 Bypass 2 Feedback 1 Output 2 1.260 (32.0) Max .945 (24.0) .197 (5.0) Max .590 (14.9) 1 12 .070 (1.78) R Typ .512 (13.0) .256 (6.5) .100 (2.54) .099 (2.5) |
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