BH3547F-E2 Rohm Semiconductor, BH3547F-E2 Datasheet - Page 5

• Manufacturer Part Number: BH3547F-E2
• Description: IC AMP STEREO HEADPHONE 8SOP
• Manufacturer: Rohm Semiconductor
• Type: Class ABr

Specifications of BH3547F-E2

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 77mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Mute, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• No. Of Channels: 2
• Supply Voltage Range: 4.5V To 6.5V
• Thd + N: 0.05% @ 32ohm, VDD=5V
• Load Impedance: 16ohm
• Operating Temperature Range: -25°C To +75°C
• Amplifier Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Terminal Equivalent Circuit / Description
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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
-
-
2
BH3544F,BH3547F,BH3548F
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
3
6
5
VCC
BH3547F
200k
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
2010.05 - Rev.A
Function