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TPA2014D1RGPR-TPA2014D1RGPT
1.5-W Constant Output Power Class-D Audio Amplifier With Integrated Boost Converter (TPA2014)
1FEATURES
DESCRIPTION
APPLICATIONSFm
2.2 to 6.2HmFm
50 kΩ
453 kΩ
www.ti.com...............................................................................................................................................................
1.5-W CONSTANT OUTPUT CLASS-D AUDIO AMPLIFIER WITH INTEGRATED CONVERTER High Efficiency Integrated Boost
(Over 90% Efficiency) The TPA2014D1isa high efficiency Class-D audio
power amplifier with an integrated boost converter.It•
1.5-W intoan 8-Ω Load froma 3.6-V Supplydrives upto 1.5W (10% THD+N) intoa8Ω speaker•
Operates from 2.5Vto 5.5V froma 3.6V supply. With 85% typical efficiency, the•
Efficient Class-D Prolongs Battery Life TPA2014D1 helps extend battery life when playing
Independent Shutdown for Boost Converter audio.
and Class-D Amplifier The boost converter•
Differential Inputs Reduce RF Common Noise voltage
louder output•
Built-in INPUT Low Pass Filter Decreases RFconnected directly the
and Outof Band Noise Sensitivity consistent loudness, regardlessof battery voltage.•
Synchronized Boost and Class-D Eliminates Additionally, the boost converter can be used to
Beat Frequencies supply external devices.•
Thermal and Short-Circuit Protection The TPA2014D1 has an integrated low pass filterto•
Availablein 16-ball WCSP and 20-Lead QFN improve RF rejection and reduce out-of-band noise,
Packages increasing the signalto
PLL•
3 Selectable Gain Settingsof2 V/V,6 V/V, andswitching
10 V/V frequencies and improving
are protected against
supply, output-to-output shorts.•
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