參數(shù)資料
型號(hào): APA4835RI-TU
廠商: Anpec Electronics Corporation
元件分類: 音頻放大器
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): 6/22頁
文件大?。?/td> 214K
代理商: APA4835RI-TU
Copyright
ANPEC Electronics Corp.
Rev. A.
7 -
Mar
.,
2003
APA4835
www.anpec.com.tw
6
Typical Application Circuit
Mode
Control
Mute
Mode
HP Sense
Volume
Control
32 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
r*=R_var/50
* Add a resistor to avoid volume control gain error at power on status. For the R_var with 10K
variable resistor, the recommended
value of r is in range of 100~200
.
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