TFA9879 Overview
.. TFA9879 Mono BTL class-D audio amplifier for portable applications with digital input Rev. 01 — 8 April 2010 Preliminary data sheet 1. Introduction The TFA9879 is a high-efficiency filter-free mono class-D audio amplifier with two separate digital inputs for mobile applications. 2. General The TFA9879 contains a processor that supports a range of sound processing features including a 5-band parametric equalizer, separate bass and treble...
TFA9879 Key Features
- Closed loop amplifier for
- High power supply rejection ratio
- Excellent audio performance
- Digital input for high RF immunity
- High efficiency for maximizing battery life
- Wide supply voltage range (fully operational from 2.5 V to 5.5 V)
- Delivers high output power into 4 and 8 load impedances
- Phase-Locked Loop (PLL); no system clock required
- Protection including diagnostics via I2C-bus
- OverCurrent Protection (OCP) to protect against short circuits across the speaker, to the supply line or to ground