an12949a Panasonic Corporation of North America, an12949a Datasheet - Page 4

• Manufacturer Part Number: an12949a
• Description: Audio Power Ic For Note Pc
• Manufacturer: Panasonic Corporation of North America

AN12949A
Application Circuit Example (Block Diagram)
Note) This circuit and these circuit constants show an example and do not guarantee the design as a mass-production set.
AGC_Recovery2
AGC_Recovery1
AGC_ON/OFF
AGC_Attack
AGC_Lv1
AGC_Lv2
VSSG
Test4
Test3
Test2
Test1
N.C.
37
38
39
40
41
42
43
44
45
46
47
48
36
1
35
2
34
Recovery time
3
VREF
AGC control
Attack time
ON / OFF
ON / OFF
ON level
SP STBY
33
4
_
32
5
31
6
SDF00043BEB
10 kΩ
10 kΩ
1 μF
1 μF
30
7
0 dB
0 dB
SP_INR
SP_INL
AGCL
AGCL
+
+
29
8
BEEP_IN
BEEP_IN
820 pF
820 pF
10 kΩ
10 kΩ
28
9
0 dB
0 dB
10
27
10 kΩ
10 kΩ
1 μF
+
1 μF
1 μF
+
AGC
DET
1 μF
11
26
Protector
Protector
+14 dB
+14 dB
+14 dB
+14 dB
12
25
24
23
22
21
20
19
18
17
16
15
14
13
GND_SPL
GND_SPR
VCCSPL
+
+
1 μF
1 μF
VCCSPR
SP_OUTR
SP_OUTL
RL = 8 Ω/4 Ω
RL = 8 Ω/4 Ω
VCCSP
5.0 V
4