lv49821vh Sanyo Semiconductor Corporation, lv49821vh Datasheet - Page 3

• Manufacturer Part Number: lv49821vh
• Description: Bi-cmos Ic For Portable Electronic Device Use 1.4w ? 2ch Btl Power Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
Test Circuit
620Ω
OUT1-1
100kΩ
0.1µF
IN1
13
1
Vin1
V CC
13
1
22kΩ
0.35V
STBY
OUT1-2
8Ω
control
STBY
BIAS
12
2
12
2
620Ω
PWR
1.55V
BEEP
3
3
47nF
Rariator Fin
Vin3
PWR-GND
Rariator Fin
PWR-GND
LV49821VH
VREF
GND
4
4
0.1µF
1µF
TSD
PRE-GND
PRE-GND A2CNT
120kΩ
5
5
2.2µF
100kΩ
BTL
V CC
V CC
11
6
2nd-amp
control
V CC
11
SE
100kΩ
6
330kΩ
10
7
OUT2-2
NC
8Ω
10
22kΩ
7
9
8
620Ω
0.1µF
100kΩ
OUT2-1
IN2
9
8
Vin2
No.A1468-3/15