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PDF HT82V736 Data sheet ( Hoja de datos )
| Número de pieza | HT82V736 | |
| Descripción | Stereo Headphone Driver | |
| Fabricantes | Holtek Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HT82V736 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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HT82V736
Stereo Headphone Driver with Mutewww.DataSheet4U.com
Features
· Operating voltage: 2.4V~6.0V
· Internal mute function to prevent power On/Off clicks
· Excellent power supply ripple rejection
· High slew rate
· Low total harmonic distortion
· Low power consumption
· Short circuit elimination
· Integrated voltage divider (VDD/2) to eliminate
external resistors
· Wide temperature operating range
· 8-pin SOP package
Applications
· CD-ROM/RW, DVD-ROM/RW
· PDA, MP3
· Portable Digital Audio
· Discman, Camcorders
· Headphone Amplifier
General Description
The HT82V736 is a class AB stereo earphone driver de-
signed for portable digital audio application. It provides
an integrated mute function to prevent popping sounds
when power is turned on and off. In addition, the
HT82V736 further integrates a voltage divider, and
therefore the external resistors can be eliminated.
The HT82V736 has a fixed gain of 6dB so that external
gain setting is unnecessary. It is fully pin and functionally
compatible with BH3544 which is suitable for effective
low cost applications.
Block Diagram
M U TE
O U T1
IN 1
VDD
VSS
M u te
6dB
A
+
90kW
6dB
B
+
90kW
B ia s
O U T2
IN 2
B IA S
Pin Assignment
O U T1
M U TE
IN 1
VSS
18
27
36
45
H T82V 736
8 S O P -A
VDD
O U T2
B IA S
IN 2
Rev. 1.00
1 February 3, 2005
1 page  
0
-1 0
-2 0
-3 0
-4 0
-5 0
-6 0
-7 0
-8 0
-9 0
-1 0 0
-1 1 0
-1 2 0
-1 3 0
-1 4 0
-1 5 0
10
V DD= 5 V
R L= 3 2 W
C hannel1
C hannel2
20
50 100 200
500 1k 2k
F re q u e n c y (H z )
Fig.5 Output Noise Voltage vs. Frequency
HT82V736
www.DataSheet4U.com
5k 10k 20k
Application Circuits
V M U TE
V IN 1
100kW
1mF
1mF
220mF
1 O U T1
VDD 8
2 M U TE
O U T2 7
3
IN 1
6
B IA S
4
VSS
5
IN 2
H T82V 736
1mF
220mF
V IN 2
10mF
V DD
100mF
Rev. 1.00
5 February 3, 2005
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HT82V736.PDF ] | |
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