Dimension(Units:mm)Description
Applications
Features
Supply voltage
Power dissipation
Operating temperature range
Storage temperature range
V
CC
Pd
Topr
Tstg
V
mW
˚C
˚C
+6.0
1450
*
~-55 150
~-10 70
Parameter Symbol Limits Unit
Absolute Maximum Ratings (Ta=25˚C)
*Derating: -11.6mW/˚C for operation above Ta=25˚C.
* Mounted on a glass epoxy board (70mm 70mm 1.6mm)
Headphone/Speaker amplifier for notebook PC
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
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.
HSOP25
BH7821BFP-Y
99W062A
Notebook PCs
July, 1999