參數(shù)資料
型號: APA4838RI-TU
廠商: Anpec Electronics Corporation
英文描述: Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain
中文描述: 立體聲2.8W音頻功率放大器直流音量控制及可選擇增益
文件頁數(shù): 7/29頁
文件大小: 244K
代理商: APA4838RI-TU
Copyright
ANPEC Electronics Corp.
Rev. A.
1 -
Apr
.,
2003
APA4838
www.anpec.com.tw
7
Typical Application Circuit
Mode
Control
Mute
Mode
HP Sense
Volume
Control
31 steps
Beep
Detect
-
+
-
+
Power
Management
Click and Pop
Suppression
Circuitry
-
+
-
+
-
+
Internal gain select
3
20K
20K
20K
10K
10K
- Left Out
20K
20K
+ Right Out
- Right Out
0.068
μ
F
20K
10K
20K
20K
10K
0.068
μ
F
20K
20K
V
DD
GND
Bypass
Bias
Left Dock
0.33
μ
F
Right In
0.33
μ
F
20K
200K
200K
20K
Beep In
+ Left Out
-
+
220
μ
F
Pin
Ring
Headphone Jack
Sleeve
Control
Pin
Tip
1K
100K
To Control Pin on
Headphone Jack
100K
Right
Audio
Input
Shutdown
V
DD
V
DD
1 μ
F
DC Vol Control
17
19
15
1K
To HP sense
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
6,16,27
9
10
11
12
7
21
V
DD
5
4
13
20K
Left In
+
+
20K
Right Dock
R_var
Bias
Left
Audio
Input
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