LM48823 Description
The LM48823 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 LM48823 charge pump allows the device to deliver 5.4VRMS from a single 4.2V supply.
LM48823 Key Features
- Output Voltage at VDD = 4.2V, RL = 2.2µF + 15Ω THD+N ≤ 1%
- Quiescent Power Supply Current
- PSRR at 217Hz
- Shutdown current