BH7821BFP-Y

www.DataSheet4U.com 99W062A Headphone/Speaker amplifier for notebook PC BH7821BFP-Y Description The BH7821BFP-Y is a sound amplifier developed for notebook PCs. It includes input for SYSTEM BEEP sound, PM BEEP sound, and SUSPEND function required for the notebook PC. This analog sound device is integrated into a single chip. Dimension(Units:mm) Features 1)Built-in stereo headphone amplifier applicable to mixing input 2)Built-in BTL stereo speaker amplifier applicable to mixing input 3)Built-in anti-pop circuit when the power is turned ON and OFF 4)Built-in electronic volume and mute circuit 5)Low power consumption provided by the discrete HALT mode for headphone amplifier and the speaker amplifier (SUSPEND function) 6)Provides two systems of BEEP sound input for notebook PCs. 7)Applicable to PC' 99 HSOP25 Applications Notebook PCs Absolute Maximum Ratings (Ta=25˚C) Parameter Supply voltage Power dissipation Operating temperature range Storage temperature range Symbol VCC Pd Topr Tstg Limits +6.0 1450* -10 ~ 70 -55 ~ 150 Unit V mW ˚C ˚C *Derating: -11.6mW/˚C for operation above Ta=25˚C. * Mounted on a glass epoxy board (70mm 70mm 1.6mm) July, 1999 Recommended Operating Conditions (Ta=25˚C) Parameter Supply voltatge Symbol VCC Min. +4.5 Typ. Max. +5.5 Unit V www.DataSheet4U.com Electrical characteristics (Unless otherwise noted, Ta=25˚C, HP Vcc=Sp Vcc= 5.0V) Parameter Circuit current Circuit curent SUSPEND Output voltage level Distortion rate Maximum output level O...