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| NTE812 Integrated Circuit Audio Power Amplifier, 1W Description: The NTE812 is a monolithic integrated circuit in a 14-Lead DIP type package designed for use in driver and power amplifier applications at frequencies from 50Hz to 40kHz. This device will deliver up to 1W RMS output power into an 8 load. The high input impedance and low standby current provide excellent low-power audio output performance for portable applications. The high peak current capability can be utilized for direct driving of complementary power transistors in high power amplifier applications. Features: D 1 Watt RMS Power into 8 with THD = 0.65% Typ D Peak Output Current: 1A D Wide Supply Voltage Range: 4V to 13V D High Input Impedance Applications: D Radios D Phonographs D Portable Communications Receivers D Complementary Power Amplifier Drivers D Servo Drivers Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage (Note 1), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A Continuous Power Dissipation (TA +25C, Note 2), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1W Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.7mW/C Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +100C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Temperature (During Soldering, 1/16" from case, 10sec), TL . . . . . . . . . . . . . . . . . . . . . +260C Note 1. Voltage values are with respect to network GND terminal. Note 2. This rating is valid for the condition that all pins are soldered into a printed circuit board with a 2" x 2" copper layer area of 14 mil thickness. Most of the heat is conducted to the printed circuit board copper layer through Pin8 (Input GND). Electrical Characteristics: (TA = +25C, VCC = 12V unless otherwise specified) Parameter Continuous RMS Power Output Input Voltage Total Harmonic Distortion Symbol PO Vin THD Test Conditions THD < 5%, RL = 8, f = 1kHz PO = 1W, RL = 8, f = 1kHz PO = 0.05W PO = 1W Efficiency Cutoff Frequency Lower Upper Input Impedance Zin Zout Reference plane is test R1 = 100k circuit input terminal R1 = 22k Reference plane is device output terminal Reference PO = 1W, Input open No Signal No Signal Pin Connection Diagram Bootstrap 1 N.C. 2 Compensation 1 3 Compensation 2 4 Feedback 5 N.C. 6 Input 7 14 VCC 13 VCC 12 Output 11 N.C. 10 Output GND 9 N.C. 8 Input GND Min 1 - - - - - - 80 - Typ - 45 0.6 0.65 52 50 40 99 22 Max - 70 - 5.0 - - - - - Unit W mV % % % Hz kHz k k RL = 8, f = 1kHz PO = 1W, RL = 8, f = 1kHz Reference PO = 1W at 1kHz, RL = 8 Output Impedance Noise Output Level (Unfiltered) Quiescent Output Voltage Quiescent Supply Current - - - -70 6.2 5.5 - - 9.0 dB V mA 14 8 1 7 .785 (19.95) Max .200 (5.08) Max .300 (7.62) .100 (2.45) .600 (15.24) .099 (2.5) Min |
Price & Availability of NTE812
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