ETK4992 Overview
Description
The ETK4992 is a fully differential audio power amplifier designed for portable communication device applications. It is capable of delivering 1.25 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V battery voltage.
Key Features
- Improved PSRR at 217Hz (VDD>3.0V) 90dB (typ)
- Power output at 5.0V & 1% THD&8Ω 1.25W (typ)
- Power output at 5.0V & 1% THD&4Ω 2.25W (typ)
- Power output at 4.2V & 1% THD&8Ω 0.92W (typ)
- Power output at 4.2V & 1% THD&4Ω 1.56W (typ)
- Power output at 3.6V & 1% THD&8Ω 0.7W (typ)
- Power output at 3.6V & 1% THD&4Ω 1.1W (typ)
- Ultra low shutdown current 0.01μA (typ)
- Improved pop & click circuitry eliminates noises during turn-on and turn-off transitions
- Thermal overload protection circuitry
