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LM380 Fiches technique(PDF) 1 Page - National Semiconductor (TI) |
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LM380 Fiches technique(HTML) 1 Page - National Semiconductor (TI) |
1 / 9 page LM380 2.5W Audio Power Amplifier General Description The LM380 is a power audio amplifier for consumer applica- tions. In order to hold system cost to a minimum, gain is internally fixed at 34 dB. A unique input stage allows ground referenced input signals. The output automatically self- centers to one-half the supply voltage. The output is short circuit proof with internal thermal limiting. The package outline is standard dual-in-line. The LM380N uses a copper lead frame. The center three pins on either side comprise a heat sink. This makes the device easy to use in standard PC layouts. Uses include simple phonograph amplifiers, intercoms, line drivers, teaching machine outputs, alarms, ultrasonic driv- ers, TV sound systems, AM-FM radio, small servo drivers, power converters, etc. A selected part for more power on higher supply voltages is available as the LM384. For more information see AN-69. Features n Wide supply voltage range: 10V-22V n Low quiescent power drain: 0.13W (V S= 18V) n Voltage gain fixed at 50 n High peak current capability: 1.3A n Input referenced to GND n High input impedance: 150k Ω n Low distortion n Quiescent output voltage is at one-half of the supply voltage n Standard dual-in-line package Connection Diagrams (Dual-In-Line Packages, Top View) 00697701 Order Number LM380N See NS Package Number N14A 00697702 Order Number LM380N-8 See NS Package Number N08E August 2000 © 2004 National Semiconductor Corporation DS006977 www.national.com |
Numéro de pièce similaire - LM380_00 |
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Description similaire - LM380_00 |
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