Datasheet Texas Instruments TPA2014D1RGPR — 数据表

TPA2014D1
www.ti.com . SLAS559A – MAY 2008 – REVISED JUNE 2008 1.5-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED
BOOST CONVERTER
FEATURES 1 DESCRIPTION High Efficiency Integrated Boost Converter
(Over 90% Efficiency)
1.5-W into an 8-Ω Load from a 3.6-V Supply
Operates from 2.5 V to 5.5 V
Efficient Class-D Prolongs Battery Life
Independent Shutdown for Boost Converter
and Class-D Amplifier
Differential Inputs Reduce RF Common Noise
Built-in INPUT Low Pass Filter Decreases RF
and Out of Band Noise Sensitivity
Synchronized Boost and Class-D Eliminates
Beat Frequencies
Thermal and Short-Circuit Protection
Available in 16-ball WCSP and 20-Lead QFN
Packages
3 Selectable Gain Settings of 2 V/V, 6 V/V, and
10 V/V The TPA2014D1 is a high efficiency Class-D audio
power amplifier with an integrated boost converter. It
drives up to 1.5 W (10% THD+N) into a 8 Ω speaker
from a 3.6 V supply. With 85% typical efficiency, the …