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NTE1380 Integrated Circuit Audio Power Amplifier, 14W
Description: The NTE1380 is a monolithic integrated circuit in a 5-Lead TO220 type package intended for use as an audio class AB amplifier. Typically, it provides 14W output power (THD = 0.5%) at VS = 14V/4. This device provides high output current and has very low harmonic and cross-over distortion. Further, the NTE1380 incorporates a short circuit protection system comprising an arrangement for automatically limiting the dissipated power so as to keep the working point of the output transistors within their safe operating area. A thermal shut-down system is also included. Absolute Maximum Ratings: Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS Differential Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Output Peak Current (Internally Limited), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5A Power Dissipation (TC = +90C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20W Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C/W Min. Thermal Shut-Down Junction Temperature (VS = 14V, Ptot = 12W, TA = +25C), Tsd +110C Electrical Characteristics: (VS = 14V, TA = +25C unless otherwise specified)
Parameter Supply Voltage Quiescent Drain Current Input Bias Current Input Offset Voltage Input Offset Current Output Offset Voltage Output Power Symbol VS Id Ib VOS IOS VOS PO VS = 18V VS = 18V VS = 18V VS = 18V VS = 18V THD = 0.5%, GV = 30dB, f = 40 to 15000Hz, RL = 4 THD = 0.5%, GV = 30dB, f = 40 to 15000Hz, RL = 8 THD = 10%, GV = 30dB, f = 1kHz, RL = 4 THD = 10%, GV = 30dB, f = 1kHz, RL = 8 Test Conditions Min 6 - - - - - 12 8 - - Typ - 40 0.2 2 20 2.5 14 9 18 11 Max 18 60 2.0 20 200 22 - - - - Unit V mA A mV nA mV W W W W
Electrical Characteristics (Cont'd): (VS = 14V, TA = +25C unless otherwise specified)
Parameter Frequency Response (-3dB) Input Sensitivity Symbol B Vi GV THD Test Conditions PO = 12W, GV = 30dB, RL = 4 GV = 30dB, f = 1kHz, PO = 12W, RL = 4 GV = 30dB, f = 1kHz, PO = 8W, RL = 8 Voltage Gain f = 1kHz, Open Loop f = 1kHz, Closed Loop Total Harmonic Distortion PO = 0.1 to 12W, GV = 30dB, RL = 4, f = 40 to 15000Hz PO = 0.1 to 8W, GV = 30dB, RL = 8, f = 40 to 15000Hz Input Noise Voltage Input Noise Current Input Resistance (Pin1) Supply Voltage Rejection Drain Current eN IN RI SVR Id RL = 4, Rg = 22k, GV = 30dB, fripple = 100Hz, Vripple = 0.5Veff PO = 14W, RL = 4 PO = 9W, RL = 8 Pin Connection Diagram (Front View) B = 22Hz to 22kHz, RL = 4 B = 22Hz to 22kHz, RL = 4 Min Typ Max Unit Hz mV mV dB dB % % V pA M dB mA mA 10 to 140,000 - - - 29.5 - - - - 0.5 40 - - 215 250 90 30.0 0.2 0.1 3 80 5.0 50 900 500 - - - 30.5 0.5 0.5 10 200 - - - -
Non-Inverting Input Inverting Input
(+) VS Output (-) VS/Tab
.408 (10.37) Max
.182 (4.62) Max .054 (1.37) Max
.114 (2.9) .619 (15.72) Max
.364 (9.25) Max .896 (22.76) Max .850 (21.6) Max 1 2 3 4 5
.135 (3.45)
.150 (3.81)
.182 (4.62)

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