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LM390

National Semiconductor
Part Number LM390
Manufacturer National Semiconductor
Description LM390 1W Battery Operated Audio Power Amplifier
Published Mar 22, 2005
Detailed Description www.DataSheet4U.com LM390 1W Battery Operated Audio Power Amplifier April 1995 LM390 1W Battery Operated Audio Power ...
Datasheet PDF File LM390 PDF File

LM390
LM390

Overview
www.
DataSheet4U.
com LM390 1W Battery Operated Audio Power Amplifier April 1995 LM390 1W Battery Operated Audio Power Amplifier General Description The LM390 Power Audio Amplifier is optimized for 6V 7 5V 9V operation into low impedance loads The gain is internally set at 20 to keep the external part count low but the addition of an external resistor and capacitor between pins 2 and 6 wil increase the gain to any value up to 200 The inputs are ground referenced while the output is automatically biased to one half the supply voltage Y Y Y Y Self-centering output quiescent voltage Variable voltage gain Low distortion Fourteen pin dual-in-line package Applications Y Y Y Features Y Y Y Y Y Y Y Y Y Y Y Battery operation 1W output power Minimum external parts Excellent supply rejection Ground referenced input AM-FM radio amplifiers Portable tape player amplifiers Intercoms TV sound systems Lamp drivers Line drivers Ultrasonic drivers Small servo drivers Power converters Equivalent Schematic and Connection Diagrams Dual-In-Line Package TL H 7848 – 2 Order Number LM390N See NS Package Number N14A TL H 7848 – 1 C1995 National Semiconductor Corporation TL H 7848 RRD-B30M115 Printed in U S A www.
DataSheet4U.
com Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage Package Dissipation 14-Pin DIP (Note 1) Input Voltage Storage Temperature 10V 8 3W g 0 4V Operating Temperature Junction Temperature Lead Temperature (Soldering 10 sec ) Thermal Resistance iJC iJA 0 C to a 70 C 150 C 260 C 30 C W 79 C W b 65 C to a 150 C Electrical Characteristics TA e 25 C (Figure 1) Symbol VS IQ POUT AV BW THD PSRR Parameter Operating Supply Voltage Quiescent Current Output Power Voltage Gain Bandwidth Total Harmonic Distortion Power Supply Rejection Ratio VS e 6V VIN e 0 VS e 6V RL e 4X THD e 10% VS e 6V f e 1 kHz 10 mF from Pin 2 to 6 V...


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