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APA4835 Datasheet(PDF) 6 Page - Anpec Electronics Coropration

Part No. APA4835
Description  Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain
Download  22 Pages
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Maker  ANPEC [Anpec Electronics Coropration]
Homepage  http://www.anpec.com.tw
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APA4835 Datasheet(HTML) 6 Page - Anpec Electronics Coropration

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Copyright
 ANPEC Electronics Corp.
Rev. A.7 - Mar., 2003
APA4835
www.anpec.com.tw
6
Typical Application Circuit
Mo de
Con trol
Mu te
H P Sense
Volum e
Con trol
32 steps
Bee p
Detect
Pow er
M a nagem ent
C lick and Pop
Sup pression
Circuitry
Inte rnal g ain se lect
20K
20K
20K
10K
10K
- Le ft O u t
20K
20K
+ R ight O ut
- R ight O ut
0.0 68
µ F
20K
10K
20K
20K
10K
0.0 68
µ F
20K
20K
V
DD
GN D
Byp ass
Bia s
Left D ock
0.3 3
µ F
R ig ht In
0.3 3
µ F
20K
2 00K
2 00K
20K
Bee p In
+ L eft O u t
220
µ F
Pin
Ring
H ea dpho ne Ja ck
Sle eve
Con trol
Pin
Tip
1K
100K
T o C ontrol Pin on
H ea dpho ne Ja ck
1 00K
Rig ht
Aud io
Inp ut
Shu tdow n
V
DD
V
DD
1 µ F
D C Vol C ontro l
17
19
15
1K
To HP se nse
Circuit
220
µ F
+
+
18
28
26
25
24
2
22
1,8 ,14,20 ,23
2.2µ F
0.1
µ F
0.1
µ F
0.1
µ F
6,1 6,27
9
10
11
12
7
3
21
V
DD
5
4
Mo de
13
20K
Left In
+
+
20K
Rig ht Do ck
R_var
r*= R _var/50
* Add a resistor to avoid volume control gain error at power on status. For the R_var with 10K
Ω variable resistor, the recommended
value of r is in range of 100~200
Ω.


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