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IS31AP2110 - 20W STEREO CLASS-D AUDIO AMPLIFIER

General Description

The IS31AP2110 is a high efficiency stereo Class-D audio amplifier with adjustable power limit function and dynamic temperature control.

The loudspeaker driver operates from 8~26V supply voltage and analog circuit operates at 3.3V supply voltage.

Key Features

  • Single supply voltage - 8V ~ 26V for loudspeaker driver - Built-in LDO output 3.3V for others.
  • Loudspeaker power from 24V supply - BTL Mode: 20W/CH into 8Ω @0.2% THD+N - PBTL Mode: 40W/CH into 4Ω @0.11% THD+N.
  • Loudspeaker power from 13V supply - BTL Mode: 10W/CH into 8Ω @10% THD+N.
  • 87% efficient Class-D operation eliminates need for heat sink.
  • Differential inputs.
  • Four selectable, fixed gain settings.
  • Internal oscillator.
  • Short-Circuit protection with aut.

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Other Datasheets by ISSI (now Infineon)

Part Number Description
IS31AP2117 8W/CH STEREO CLASS-D AUDIO POWER AMPLIFIER
IS31AP2118 15W STEREO CLASS-D AUDIO POWER AMPLIFIER
IS31AP2121 2×25W STEREO / 1× 50W MONO DIGITAL AUDIO AMPLIFIER
IS31AP2145A MONO CLIP-LESS & FILTER-LESS CLASS-D
IS31AP2145B MONO CLIP-LESS & FILTER-LESS CLASS-D

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.

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IS31AP2110 20W STEREO CLASS-D AUDIO AMPLIFIER WITH POWER LIMIT AND DYNAMIC TEMPERATURE CONTROL November 2015 GENERAL DESCRIPTION The IS31AP2110 is a high efficiency stereo Class-D audio amplifier with adjustable power limit function and dynamic temperature control. The loudspeaker driver operates from 8~26V supply voltage and analog circuit operates at 3.3V supply voltage. It can deliver 20W/CH output power into 8 loudspeaker within 0.2% THD+N and without external heat sink when playing music. IS31AP2110 provides parallel BTL (Mono) application, and it can deliver 40W into 4 loudspeaker within 0.11% THD+N. The adjustable power limit function allows user to set a voltage rail lower than half of 3.3V to limit the amount of current through the speaker.