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APA2121 Datasheet Stereo 2-W Audio Power Amplifier

Manufacturer: Anpec Electronics Coropration

Download the APA2121 datasheet PDF. This datasheet also includes the APA2120 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (APA2120_AnpecElectronicsCoropration.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number APA2121
Manufacturer Anpec Electronics Coropration
File Size 420.62 KB
Description Stereo 2-W Audio Power Amplifier
Download APA2121 Download (PDF)

General Description

APA2120/1 is a monolithic integrated circuit, which provides precise DC volume control, and a stereo bridged audio power amplifiers is capable of producing 2.7W(2.

0W) into 3Ω with less than 10% (1.0%)THD+N.

The attenuator range of the volume control in APA2120/1 is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32 steps.

Overview

APA2120/2121 Stereo 2-W Audio Power Amplifier (with DC_Volume.

Key Features

  • Low Operating Current with 14mA.
  • Improved Depop Circuitry to Eliminate Turn-on and Turn-off Transients in Outputs.
  • High PSRR.
  • 32 Steps Volume Adjustable by DC Voltage with Hysteresis.
  • 2W Per Channel Output Power into 4Ω Load at 5V, BTL Mode.
  • Two Output Modes Allowable with BTL and SE Modes Selected by SE/BTL Pin.
  • Low Current Consumption in Shutdown Mode (50µA).
  • Short Circuit Protection.
  • Power off Depop Circuit Inte.

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