BD5423AEFS ROHM Co. Ltd., BD5423AEFS Datasheet - Page 11

• 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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21, 22
No.
20
23
24
25
26
MUTEX
Symbol
ROSC
OSC
N.C.
MS
TM
Pin voltage
0～5V
5.6V
-
-
-
-
Audio mute control pin
H: Mute off
L: Mute on
N.C. pin
Nothing is connected with IC internal circuit.
Sampling clock signal input/output pin
When using two or more sampling clocks,
connect via a capacitor.
Master/Slave switching pin
Switching of master/slave functions on a
sampling clock signal.
H: Slave operation
L: Master operation
Internal PWM sampling clock
frequency setting pin
Usually the pin is used open.
To adjust an internal sampling clock frequency,
connect a resister.
Audio muting constant setting pin
Connect a capacitor.
Pin description
11/17
Internal equalizing circuit
2009.06 - Rev.A
Technical Note