BH3541F_09 ROHM [Rohm], BH3541F_09 Datasheet - Page 5

• Manufacturer Part Number: BH3541F_09
• Description: Stereo Headphone Amplifiers
• Manufacturer: ROHM [Rohm]

●Terminal Equivalent Circuit / Description
© 2009 ROHM Co., Ltd. All rights reserved.
BH3541F, BH3544F, BH3547F, BH3548F
www.rohm.com
No.
Pin
1
7
2
3
5
6
4
8
※The figure in the pin explanation and input/output equivalent circuit is reference value, it doesn’t guarantee the value.
MUTE
Name
OUT1
OUT2
BIAS
GND
VCC
IN1
IN2
Pin
I /O
I/O
O
I
I
I
I
(When open)
Pin voltage
(VCC=5V)
(VCC=5V)
(VCC=5V)
2.1V
0.1V
2.1V
2.1V
-
-
BH3544F,BH3547F,BH3548F
2
1
1
7
7
3
5
6
VCC
190k
BIAS
10k
180k
-
-
VCC
VCC
VCC
60k
60k
5/8
Equivalent circuit
ＢＩＡＳ
2
1
1
7
7
6
3
5
VCC
200k
BH3547F
BIAS
10k
VCC
90k
VCC
-
-
VCC
64k
70k
ＢＩＡＳ
Output pin
Mute control pin
Mute on：Hi
Mute off：Lo (open)
Input pin
Bias pin
(Since the 47 µF
externally attached
capacitor also serves
as the time constant for
pop noise
countermeasures,
evaluate adequately
when changing it.)
GND pin
Power supply pin
Technical Note
2009.07 - Rev.A
Function