Technical Note
BH3541F,BH3544F,BH3547F,BH3548F
●Terminal Equivalent Circuit / Description
Equivalent circuit
BH3544F,BH3547F,BH3548F
Pin
No. Name
Pin
I /O Pin voltage
Function
BH3547F
VCC
VCC
1
7
OUT1
OUT2
2.1V
O
Output pin
(VCC=5V)
1
1
1
1
10k
10k
7
7
7
7
VCC
VCC
0.1V
(When open)
Mute control pin
Mute on:Hi
2
2
2
MUTE
I
Mute off:Lo (open)
190k
200k
VCC
VCC
3
5
IN1
IN2
2.1V
(VCC=5V)
3
5
3
I
Input pin
90k
180k
5
BIAS
BIAS
VCC
Bias pin
VCC
(Since the 47 µF
externally attached
capacitor also serves
as the time constant for
pop noise
70k
64k
60k
2.1V
(VCC=5V)
6
BIAS
I/O
6
6
BIAS
BIAS
60k
countermeasures,
evaluate adequately
when changing it.)
4
8
GND
VCC
I
I
-
-
-
-
-
-
GND pin
Power supply pin
※The figure in the pin explanation and input/output equivalent circuit is reference value, it doesn’t guarantee the value.
www.rohm.com
2010.05 - Rev.A
5/8
© 2010 ROHM Co., Ltd. All rights reserved.
ROHM [ ROHM ]
