lv4912gp Sanyo Semiconductor Corporation, lv4912gp Datasheet - Page 4

• Manufacturer Part Number: lv4912gp
• Description: Crass-d Audio Power Amplifier Btl 2w?1ch
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram and Application Circuit Example (R L = 4Ω)
LV4912GP Application (R L = 4Ω)
Part List
Pin Assignments
0-5V
0-5V
Parts Name
C BIASCAP
C MUTE
C VD
C VD
C IN
L O
C O
C3
1µF
C6
1µF
MUTECAP
PRE_GND
BIASCAP
PRE_VD
1µF
C4
MUTE
STBY
C5
1µF
C7
1µF
IN +
IN -
C8, C9, C10
Part No.
C2, C3
C4, C5
L1, L2
C1
C6
C7
PRE_GND
PRE_VD
V IN +
V IN -
RECEIVER
SEQUENCE
NC
NC
Input capacitor
Capacitor for soft mute
Output L. P. F. coil
Output L. P. F. capacitor
VBIAS
Power supply capacitor for VD
High-frequency cut capacitor for VD
Input coupling capacitor for Internal power supply (VBIAS)
1
2
3
4
5
6
24
7
CONTROL
SUPPLY
DELAY
Under Voltage
V CC
23
Protection
LV4912GP
8
22
9
Over Current
Protection
IREF
21
10
20
11
OUTPUTSTAGE
OUTPUTSTAGE
Protection
Thermal
Description Function
19
12
18
17
16
15
14
13
NC
PWR_VD
TEST2
TEST1
STBY
MUTE
PWR_VD
PWR_GND
OUT +
OUT -
Top view
22µH
22µH
L1
L2
C2
1µF
C8
0.33µF
C9
0.33µF
+
C1
100µF
C10
1µF
No.A1173-4/11
VD
RL