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SLOA145– February 2010 Filter-Free™ Class-DAudio …
https://www.ti.com/lit/an/sloa145/sloa145.pdf
The efficiency of a Class-D amplifier is reduced without the filter, and quiescent current increases. Speaker impedance includes inductance, but it is primarily resistive, whereas an LC filter is almost purely reactive. An LC filter with a cutoff frequency less than the class-Dswitching frequency allows the switching current to flow in the ...
TS4962 - 3W filter-free Class D audio power amplifier …
https://www.st.com/en/audio-ics/ts4962.html
Description The TS4962 is a differential class-D BTL power amplifier. It can drive up to 2.2 W into a 4 Ω load and 1.4 W into an 8 Ω load at 5 V. It achieves outstanding efficiency (88% typ.) compared to standard AB-class audio amps. The gain of the device can be controlled via two external gain setting resistors.
A21SP16 - 3 W filter-free class-D audio power amplifier ...
https://www.st.com/en/audio-ics/a21sp16.html
Description The A21SP16 is a differential class-D BTL power amplifier. It is able to drive up to 2.3 W into a 4 Ω load and 1.4 W into a 8 Ω load at 5 V. It achieves outstanding efficiency (88% typ.) compared to classical Class-AB audio amps. The gain of the device can be controlled via two external gain-setting resistors.
3 W filter-free class D audio power amplifier - ST
https://www.st.com/content/ccc/resource/technical/document/datasheet/84/2f/81/a9/d7/b6/4b/6c/CD00070055.pdf/files/CD00070055.pdf/jcr:content/translations/en.CD00070055.pdf
The TS4962M is a differential Class-D BTL power amplifier. It is able to drive up to 2.3 W into a 4 Ω load and 1.4 W into a 8 Ω load at 5 V. It achieves outstanding efficiency (88% typ.) compared to classical Class-AB audio amps. The gain of the device can be controlled via two external gain-setting resistors.
TPA2010D1 2.5-W Mono Filter-Free Class-D Audio …
https://www.ti.com/lit/gpn/TPA2010D1
TPA2010D1 2.5-W Mono Filter-Free Class-D Audio Power Amplifier 1 Features 2 Applications 1• Maximum Battery Life and Minimum Heat• Wireless or Cellular Handsets and PDAs – Efficiency with an 8-ΩSpeaker: • Personal Navigation Devices – 88% at 400 mW • General Portable Audio Devices – 80% at 100 mW • Linear Vibrator Drivers – 2.8-mA Quiescent Current
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