bd5445efv ROHM Co. Ltd., bd5445efv Datasheet - Page 25

• Manufacturer Part Number: bd5445efv
• Description: Analog Input / Single End Output Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

● Application Circuit Example ( BTL output )
© 2010 ROHM Co., Ltd. All rights reserved.
BD5445EFV
Differential
Input
www.rohm.com
Master/Slave
Power down
CLK/IO
Control
Control
Mute
IN1
IN2
Control
10μF
3.3μF
Gain
C14
C1
VCC
10Ω
R1
100μF
22KΩ
+
1μF
1μF
1μF
R9A
C7
C8
C4
C5
10
11
12
13
14
1
2
3
4
5
6
7
8
9
GNDA
Power down
VCCA
FILA
FILP
Oscillator
REG_G
Control
Control
4step
Amp.
Gain
Gain
Control
Control
Mute
High Temperature Protection
Under Voltage Protection
Output Short Protection
Modulator
Modulator
PWM
PWM
25/31
Driver
Driver
1
2
VCCP1
VCCP2
REG_G
REG_G
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4.7μF
C15A
330pF
330pF
4.7μF
C25B
C17B
C27A
VCC
4.7μF
4.7μF
33μH
33μH
15Ω
C24
C19
15Ω
R25
0.1μF
0.1μF
R17
L25
L17
C25A
C17A
470μF
C15B
470μF
C27B
Technical Note
2010.05 - Rev.B
0.47μF
C17D
8Ω