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National Semiconductor Electronic Components Datasheet

LM4816 Datasheet

1W Stereo Audio Amplifier + Adjustable Output Limiter

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LM4816 pdf
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October 2003
LM4816
1W Stereo Audio Amplifier + Adjustable Output Limiter
General Description
The LM4816 combines a bridged-connected (BTL) stereo
audio power amplifier with an adjustable output voltage mag-
nitude limiter. The audio amplifier delivers 1.0W to an 8
load with less than 1.0% THD+N while operating on a 5V
power supply. With VLIM set to 1.0V, the amplifier outputs are
clamped to 6Vp-p, ±800mV.
The LM4816 features an external controlled micropower
shutdown mode and thermal shutdown protection. It also
utilizes circuitry that reduces “clicks and pops” during device
turn-on and return from shutdown.
Boomer audio power amplifiers are designed specifically to
use few external components and provide high quality output
power in a surface mount package.
Key Specifications
j POUT (BTL):
VDD = 5V, THD = 1%, RL = 8
j Power supply range
j Limiter adjustment range
j Shutdown current
1.0W (typ)
3.0V to 5.5V
GND to VDD/2
0.06µA (typ)
Features
n Stereo BTL amplifier
n Adjustable output voltage magnitude limiter
n “Click and pop” suppression circuitry
n Unity-gain stable audio amplifiers
n Thermal shutdown protection circuitry
n TSSOP (MT) package
Applications
n Notebook computers
n Multimedia monitors
n Desktop computers
n Portable televisions
Typical Application
Boomer® is a registered trademark of National Semiconductor Corporation.
© 2003 National Semiconductor Corporation DS200332
20033201
www.national.com


National Semiconductor Electronic Components Datasheet

LM4816 Datasheet

1W Stereo Audio Amplifier + Adjustable Output Limiter

No Preview Available !

LM4816 pdf
Connection Diagram
20033229
Top View
Order Number LM4816MT
See NS Package Number MTC20 for TSSOP
www.national.com
2


Part Number LM4816
Description 1W Stereo Audio Amplifier + Adjustable Output Limiter
Maker National Semiconductor
Total Page 13 Pages
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