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LM48556

National Semiconductor
Part Number LM48556
Manufacturer National Semiconductor
Description Ceramic Speaker Driver
Published Nov 10, 2010
Detailed Description LM48556 Fully Differential, Mono, Ceramic Speaker Driver December 10, 2008 LM48556 Fully Differential, Mono, Ceramic S...
Datasheet PDF File LM48556 PDF File

LM48556
LM48556

Overview
LM48556 Fully Differential, Mono, Ceramic Speaker Driver December 10, 2008 LM48556 Fully Differential, Mono, Ceramic Speaker Driver General Description The LM48556 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones, where board space is at a premium.
The LM48556 charge pump allows the device to deliver 17.
5VPP (typ) from a single 4.
5V supply.
Additionally, the charge pump features a soft start function that minimizes transient current during power-up.
The LM48556 features high power supply rejection ratio (PSRR) of 80dB at 217Hz, allowing the device to operate in noisy environments without additional power sup...


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