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BH7821BFP-Y Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – Headphone/Speaker amplifier for notebook PC
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
Symbol
Limits
Unit
Supply voltage
VCC
+6.0
V
Power dissipation
Pd
1450*
mW
Operating temperature range Topr
-10 ~ 70
˚C
Storage temperature range Tstg
-55 ~ 150
˚C
*Derating: -11.6mW/˚C for operation above Ta=25˚C.
* Mounted on a glass epoxy board (70mm 70mm 1.6mm)
July, 1999