BD5423AEFS ROHM Co. Ltd., BD5423AEFS Datasheet - Page 5

• 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
●Electrical characteristic curves (Reference data) – Continued
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Speaker
Speaker
Output
Output
Pin 26
MUTEX
VHOLD
Pin 26
Pin 20
Pin 27
Speaker
VCCA
Output
TM
TM
Fig. 15 Wave form on Instantaneous Power Interruption
Fig. 17 Wave form on Output Power Limiter function
Fig. 13 Wave form when Releasing Soft-mute
(20msec / div)
10msec/div
Soft Clip
(Po = 5W)
10V/div
5V/div
2V/div
Soft Clip
200μsec/div
20msec/div
5V/div
2V/div
5V/div
5V/div
Vcc=12V
R
Po=5W
THD+n=10%
fin=1kHz
R2=91k Ω
R3=22k Ω
Vcc=12V
R
Po=500m W
fin=3kHz
Vcc=12V
R
Po=500mW
fin=500Hz
L
L
L
=8 Ω
=8 Ω
=8 Ω
5/17
MUTEX
Pin 26
Speaker
VHOLD
Pin 26
Output
Pin 20
Pin 27
VCCA
Speaker
TM
Output
TM
Fig. 16 Wave form on Instantaneous Power Interruption
Fig. 14 Wave form when Activating Soft-mute
(2msec / div)
5V/div
5V/div
2msec/div
10msec/div
2V/div
10V/div
2V/div
5V/div
2009.06 - Rev.A
Technical Note
fin=3kHz
fin=500Hz
Vcc=12V
R
Po=500m W
Vcc=12V
R
Po=500mW
L
L
=8 Ω
=8 Ω