BD5423AEFS ROHM Co. Ltd., BD5423AEFS Datasheet - Page 12

• Manufacturer Part Number: BD5423AEFS
• Description: 17w+17w Class-d Speaker Amplifier For Analog Input
• Manufacturer: ROHM Co. Ltd.

© 2009 ROHM Co., Ltd. All rights reserved.
BD5423AEFS
●Explanation of Pin Functions (continued)
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29, 30
31, 32
33, 34
35, 36
37, 38
No.
27
28
39
40
41
VCCP2N
VCCP2P
VHOLD
OUT2N
GNDP2
Symbol
BSP2N
OUT2P
BSP2P
VCCA
FILP
Pin voltage
0.68×Vcc
Vcc～0V
Vcc～0V
Vcc+35
Vcc
Vcc
Vcc
0V
12
-
-
Instantaneous power interruption
detecting voltage setting pin
Connect a capacitor.
To adjust a detecting voltage, connect a
resister.
ch2 negative bootstrap pin
Connect a capacitor.
ch2 negative power system power supply pin
ch2 negative PWM signal output pin
Connect an output LPF.
ch2 power system GND pin
ch2 positive PWM signal output pin
Connect an output LPF.
ch2 positive power system power supply pin
ch2 positive bootstrap pin
Connect a capacitor.
Analog system power pin
PWM system bias pin
Connect a capacitor.
Pin description
12/17
Internal equalizing circuit
2009.06 - Rev.A
Technical Note