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
|
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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