Headphone/Speaker amplifier
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99W062A
Headphone/Speaker amplifier for notebook PC
BH7821BFP-Y
Description The BH7821BFP-Y is a...
Description
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
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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...
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