LM4752

LM4752 www.ti.com SNAS006E – FEBRUARY 1999 – REVISED APRIL 2013 LM4752 Stereo 11W Audio Power Amplifier Check for Samples: LM4752 FEATURES 1 2 Drives 4Ω and 8Ω Loads Internal Gain Resistors (AV = 34 dB) Minimum External Component Requirement Single Supply Operation Internal Current Limiting Internal Thermal Protection Compact 7-lead TO-220 Package Low Cost-Per-Watt Wide Supply Range 9V - 40V APPLICATIONS Compact Stereos Stereo TVs Mini Component Stereos Multimedia Speakers DESCRIPTION The LM4752 is a stereo audio amplifier capable of delivering 11W per channel of continuous average output power to a 4Ω load, or 7W per channel into 8Ω using a single 24V supply at 10% THD+N. The LM4752 is specifically designed for single supply operation and a low external component count. The gain and bias resistors are integrated on chip, resulting in a 11W stereo amplifier in a compact 7 pin TO-220 package. High output power levels at both 20V and 24V supplies and low external component count offer high value for compact stereo and TV applications. A simple mute function can be implemented with the addition of a few external components. KEY SPECIFICATIONS Output Power at 10% THD+N with 1kHz into 4Ω VCC = 24V 11 W (typ) Output Power at 10% THD+N with 1kHz into 8Ω VCC = 24V 7 W (typ) Closed Loop Gain 34 dB (typ) PO at 10% THD+N @ 1 kHz into 4Ω SingleEnded DDPAK Package VCC = 12V 2.5 W (typ) PO at 10% THD+N @ 1kHz into 8Ω Bridged DDPAK Package VCC = 12V ...