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RT9101GQW - 2.65W PWM Class-D Power Amplifier

Download the RT9101GQW datasheet PDF. This datasheet also covers the RT9101 variant, as both devices belong to the same 2.65w pwm class-d power amplifier family and are provided as variant models within a single manufacturer datasheet.

General Description

The RT9101 is a 2.65W, high efficiency Class-D audio amplifier featuring low-resistance internal power MOSFETs and the gain can be set by an external input resistance.

The filter free topology eliminates the output filter and reduces the external component count, footprint area, and system costs.

Key Features

  • the RT9101 provides a fast startup time to minimize audible popping during device turn-on and turnoff. Moreover, the RT9101 also integrates thermal and over current protection circuits. The RT9101 is available in WDFN-8L 3x3, and WL-CSP-9B 1.45x1.45 (BSC) packages. Ordering Information RT9101 ( ) Package Type QW : WDFN-8L 3x3 (W-Type) WSC : WL-CSP-9B 1.45x1.45 (BSC) Lead Plating System G : Green (Halogen Free and Pb Free) Z : ECO (Ecological Element with Halogen Free and Pb free) Default : WDFN.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT9101-Richiek.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number RT9101GQW
Manufacturer Richiek
File Size 433.04 KB
Description 2.65W PWM Class-D Power Amplifier
Datasheet download datasheet RT9101GQW Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
RT9101 2.65W PWM Class-D Power Amplifier General Description The RT9101 is a 2.65W, high efficiency Class-D audio amplifier featuring low-resistance internal power MOSFETs and the gain can be set by an external input resistance. The filter free topology eliminates the output filter and reduces the external component count, footprint area, and system costs. Operating from a single 5V supply, the RT9101 is capable of driving 4Ω speaker load at a continuous average output of 2.65W/10% THD+N or 2W/0.5% THD+N. The RT9101 has a higher efficiency with speaker load compared to a typical class AB amplifier. With a 3.6V supply driving an 8Ω speaker, the efficiency for a 400mW power level is 88%.