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APA2178 Datasheet 100mW Stereo Cap-Free Headphone Driver

Manufacturer: ANPEC

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Datasheet Details

Part number APA2178
Manufacturer ANPEC
File Size 602.26 KB
Description 100mW Stereo Cap-Free Headphone Driver
Download APA2178 Download (PDF)

General Description

The APA2178 is a stereo, fixed gain, Cap-Free headphone driver which is available in a WLCSP2x2-16 package.

The APA2178 is a ground-reference output, and doesn’t need the output capacitors for DC blocking.

The advantages of eliminating the output capacitor are saving the cost, PCB’s space, and component height.

Overview

APA2178 100mW Stereo Cap-Free Headphone Driver.

Key Features

  • No Output Capacitor Required.
  • Operating Voltage: 1.8V~4.5V.
  • Supply Current.
  • I =5mA at V =3.3V DD DD.
  • Low Shutdown Current.
  • IDD=1µA at VDD=3.3V.
  • Meeting VISTA Requirements.
  • Output Power at 1% THD+N.
  • 70mW, at V =3.3V, DD R L = 16Ω at 10% THD+N.
  • 100mW, at VDD=3.3V, RL = 16Ω.
  • Less External Components Required.
  • High PSRR: 78dB at 217Hz.
  • Short-Circuit and Thermal Protectio.

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