BH3541F_09 ROHM [Rohm], BH3541F_09 Datasheet - Page 4

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

●Block diagram
●Measurement circuit
© 2009 ROHM Co., Ltd. All rights reserved.
BH3541F, BH3544F, BH3547F, BH3548F
www.rohm.com
SW8B
32
16
32
16
V
RR
1
SW7
SW1
1
1
A IQ
2
2
V
2
CC
SWBA
OU T1
V
1AC
1
V CC
TS D
8
V
V
V
CV
330μ
7AC
330μ
10μ
CC
MUTE
MUTE
2
VCC
O UT2
7
8
1
TSD
OUT1
(6d B)
(6d B)
0d B
0 dB
V
OUT2
TM
I N1
Fig. 13
Fig. 14
3
MUTE
4/8
BIA S
B IAS
7
2
6


MUTE
(6dB)
(6dB)
0dB
0dB
( ) are BH3544F, BH3547F, BH3548F values.
BIAS
G ND
BIAS
4
6
3
IN2
( ) are BH3544F, BH3547F, BH3548F values.
5
IN1
R3
(90 k)
180 k
180 k
(9 0k)
47μ
IN2
5
4
180k
(90k)
GND
180k
(90k)
R5
1μ
1μ
1
1
2
2
SW3
SW5
V
V
IN
IN
2
1
Technical Note
2009.07 - Rev.A