SSM2250

a FEATURES Part of SoundMax® Audio Solution for Desktop Computers Mono 1.5 W Differential or Stereo 250 mW Output Single-Supply Operation: 2.7 V to 6 V Low Shutdown Current = 60 ␮ A PC 99 Compliant Low Distortion: 0.2% THD at 1.5 W Wide Bandwidth: 4 MHz www.DataSheet4U.com Unity-Gain Stable APPLICATIONS Desktop, Portable or Palmtop Computers Sound Cards Communication Headsets 2-Way Communications Handheld Games Mono 1.5 W/Stereo 250 mW Power Amplifier SSM2250 PIN CONFIGURATIONS 10-Lead MSOP (RM Suffix) LEFT IN SHUTDOWN SE/BTL GND RIGHT IN 1 2 3 4 5 10 LEFT OUT/BTL– 9 VDD BTL+ BYPASS RIGHT OUT SSM2250 8 7 6 14-Lead TSSOP (RU Suffix) NC LEFT IN SHUTDOWN SE/BTL ؉GND RIGHT IN NC 1 14 NC LEFT OUT/BTL VDD BTL؉ BYPASS RIGHT OUT NC GENERAL DESCRIPTION The SSM2250 is intended for use in desktop computers that have basic audio functions. It is also ideal for any audio system that needs to provide both an internal monaural speaker and a stereo line or headphone output. Combined with an AC’97 Codec it provides a PC audio system that meets the PC 99 requirements. The SSM2250 is compact and requires a minimum of external components. The SSM2250 features an audio amplifier capable of delivering 1.5 W of low distortion power into a mono 4 Ω bridged-tied load (BTL) or 2 ϫ 90 mW into stereo 32 Ω single-ended load (SE) headphones. Both amplifiers provide rail-to-rail outputs for maximum dynamic range from a single supply. The balanced output provides maximum output from 5 V supply and eli...