AN12948A Panasonic Semiconductor, AN12948A Datasheet - Page 4

• Manufacturer Part Number: AN12948A
• Description: Audio Power IC
• Manufacturer: Panasonic Semiconductor

AN12948A
HP_OUTL
HP_OUTR
HP_INR
HP_INL
Block Diagram (Application Circuit Example)
Note) This circuit and these circuit constants show an example and do not guarantee the design as a mass-production set.
VCC
3.3 V
1 μF
1 μF
10 kΩ
10 kΩ
68 Ω
68 Ω
20 kΩ
20 kΩ
1 μF
Test4
1 μF
VCC_CP
GND_CP
VSS
1 μF
+
37
38
39
40
41
42
43
44
45
46
47
48
VCC_HP
36
1 μF
1
+6 dB
+6 dB
Charge
Pump
_
_
REG
+
35
2
34
3
HP STBY
ON/OFF
AGC Control
Recovery time
33
Attack time
4
ON Level
ON/OFF
SDF00042AEB
32
5
SP STBY
ON/OFF
1 μF
+
31
6
10 kΩ
10 kΩ
1 μF
1 μF
30
7
0 dB
0 dB
SP_INL
SP_INR
AGCR
AGCL
+
+
29
8
820 pF
820 pF
10 kΩ
10 kΩ
28
9
0 dB
0 dB
10
27
+
1 μF
AGC
DET
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
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GND_SPL
GND_SPR
+
+
1 μF
1 μF
VCC_SPL
VCC_SPR
SP_OUTR
SP_OUTL
RL = 4 Ω to 8 Ω
RL = 4 Ω to 8 Ω
VCC_SP
5.0 V
4