Technical Note
10/16
BD5426EFS
www.rohm.com
2010.05 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
●Explanation of Pin Functions - Continued
No. Symbol Pin voltage Pin description Internal equalizing circuit
20 MUTEX -
Audio mute control pin
H: Mute off
L: Mute on
40
43
20
120
k
80k
21, 22 N.C. -
N.C. pin
Nothing is connected with IC internal
circuit.
23 OSC -
Sampling clock signal input/output pin
When using two or more sampling clocks,
connect via a capacitor.
40
43
23
24 MS -
Master/Slave switching pin
Switching of master/slave functions on a
sampling clock signal.
H: Slave operation
L: Master operation
40
43
24
1
20k
80k
25 ROSC 5.6V
Internal PWM sampling clock frequency
setting pin
Usually the pin is used open.
To adjust an internal sampling clock
frequency, connect a resister.
40
43
25
32k
