bh7821bfp-y ETC-unknow, bh7821bfp-y Datasheet
bh7821bfp-y
Manufacturer Part Number
bh7821bfp-y
Description
Headphone/speaker Amplifier Notebook
Manufacturer
ETC-unknow
Datasheet
1.BH7821BFP-Y.pdf
(2 pages)
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Description
Applications
Absolute Maximum Ratings
Features
* Mounted on a glass epoxy board (70mm 70mm 1.6mm)
Supply voltage
Power dissipation
Operating temperature range
Storage temperature range
*Derating: -11.6mW/˚C for operation above Ta=25˚C.
1)Built-in stereo headphone amplifier applicable to
2)Built-in BTL stereo speaker amplifier applicable to
3)Built-in anti-pop circuit when the power is turned ON
4)Built-in electronic volume and mute circuit
5)Low power consumption provided by the discrete
6)Provides two systems of BEEP sound input for
7)Applicable to PC' 99
Notebook PCs
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.
mixing input
mixing input
and OFF
HALT mode for headphone amplifier and the
speaker amplifier (SUSPEND function)
notebook PCs.
Headphone/Speaker amplifier for notebook PC
Parameter
Symbol
Tstg
Topr
V
Pd
(Ta=25˚C)
CC
BH7821BFP-Y
-10
-55
Limits
+6.0
1450
~
~
70
150
*
Dimension
Unit
mW
˚C
˚C
V
(Units:mm)
HSOP25
July, 1999
99W062A
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bh7821bfp-y Summary of contents
Page 1
... Headphone/Speaker amplifier for notebook PC Description The BH7821BFP 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. Features 1)Built-in stereo headphone amplifier applicable to ...
Page 2
Symbol Parameter Supply voltatge V Electrical characteristics (Unless otherwise noted, Ta=25˚C, HP Vcc=Sp Vcc= 5.0V) Parameter Symbol Circuit current I CC Circuit curent SUSPEND I CCS <HP AMP1> Output voltage level V OHP THD Distortion rate Maximum output level V ...