LM48556 Overview
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.
Key Features
- Fully differential amplifier Externally configurable gain Integrated charge pump Low power shutdown mode Soft start function