General Description

The MAX9718/MAX9719 differential input audio power amplifiers are ideal for portable audio devices with internal speakers. The differential input structure improves noise rejection and provides common-mode rejection.

Features

♦ 2.7V to 5.5V Single-Supply Operation

♦ Very High -93dB PSRR at 217Hz

♦ 1.4W into 4Ω at 1 THD+N (per Channel)

♦ Differential Input

♦ Internal Fixed Gain to Reduce Component Count

♦ Adjustable Gain Option (MAX9718A/H/MAX9719A)

♦ 100nA Low-Power Shutdown Mode

♦ No Audible Clicks or Pops at Power-Up/Down

♦ Improved Performance Pin-Compatible Upgrade

   to LM4895 (MAX9718D/G)

♦ 1.8V Logic Compatible

Applications

   Mobile Phones

   PDAs

   Portable Devices