See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YZR | 12

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LM48555TL/NOPB


Ceramic Speaker Driver

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Texas Instruments LM48555TL/NOPB

The LM48555 is an audio power amplifier designed to drive ceramic speakers in applications such as cell phones, smart phones, PDAs and other portable devices. The LM48555 produces 15.7VP-P with less than 1% THD+N while operating from a 3.2V power supply. The LM48555 features a low power shutdown mode, and differential inputs for improved noise rejection.

The LM48555 includes advanced click and pop suppression that eliminates audible turn-on and turn-off transients. Additionally, the integrated boost regulator features a soft start function that minimizes transient current during power-up

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal number of external components. The LM48555 does not require bootstrap capacitors, or snubber circuits.

The LM48555 is unity-gain stable and uses external gain-setting resistors.

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