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LM4755 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LM4755 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 23 page LM4755 Stereo 11W Audio Power Amplifier with Mute General Description The LM4755 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output power to a 4 Ω load or 7W per channel into 8Ω using a single 24V supply at 10% THD+N. The internal mute circuit and pre-set gain resistors provide for a very economical design solution. Output power specifications at both 20V and 24V supplies and low external component count offer high value to con- sumer electronic manufacturers for stereo TV and compact stereo applications. The LM4755 is specifically designed for single supply operation. Key Specifications n Output power at 10% THD with 1kHz into 4 Ω at V CC = 24V: 11W (typ) n Output power at 10% THD with 1kHz into 8 Ω at V CC = 24V: 7W (typ) n Closed loop gain: 34dB (typ) n P O at 10% THD+N @ 1kHz into 4 Ω single-ended TO-263 package at V CC=12V: 2.5W (typ) n P O at 10% THD+N @ 1kHz into 8 Ω bridged TO-263 package at V CC=12V: 5W (typ) Features n Drives 4 Ω and 8Ω loads n Integrated mute function n Internal Gain Resistors n Minimal external components needed n Single supply operation n Internal current limiting and thermal protection n Compact 9-lead TO-220 package n Wide supply range 9V - 40V Applications n Stereos TVs n Compact stereos n Mini component stereos Typical Application 10005901 FIGURE 1. Typical Audio Amplifier Application Circuit May 2002 © 2004 National Semiconductor Corporation DS100059 www.national.com |
Similar Part No. - LM4755_02 |
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Similar Description - LM4755_02 |
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