BH3544F-E2 Rohm Semiconductor, BH3544F-E2 Datasheet - Page 2

• Manufacturer Part Number: BH3544F-E2
• Description: IC AMP STEREO HEADPHONE 8SOP
• Manufacturer: Rohm Semiconductor
• Type: Class ABr

Specifications of BH3544F-E2

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 62mW x 2 @ 16 Ohm
• Voltage - Supply: 2.8 V ~ 6.5 V
• Features: Mute, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• No. Of Channels: 2
• Supply Voltage Range: 2.8V To 6.5V
• Thd + N: 0.02% @ 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

●Electrical characteristics (Unless otherwise noted, Ta=25°C,VCC=5V,RL=32Ω,f=1kHz,BW=400～30kHz
●Reference data
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BH3541F,BH3544F,BH3547F,BH3548F
www.rohm.com
BH3541F : VIN=0dBV, BH3544F, BH3547F, BH3548F : VIN =-6dBV)
Quiescent current
Mute pin control voltage H
Mute pin control voltage L
Gain
Gain difference between
channels
Total harmonic distortion
Rated output 1
Rated output 2
Rated output 3
Output noise voltage
Channel separation
Mute attenuation
Ripple rejection
Input resistance
Fig. 1 Quiescent current vs.
Parameter
power supply voltage
BH3541F/BH3544F
Symbol
ΔG
V
V
THD
G
V
ATT
P
P
P
RR
Rin
CS
TMH
TML
I
NO
O1
O2
O3
Q
VC
VC
BH3541F BH3544F BH3547F BH3548F
180
0
0.02
-90
31
62
7
Fig. 2 in DC current vs.
Limits(TYP.)
-
power supply voltage
BH3541F/BH3544F
1.6<
<0.3
-93
-80
-57
0
2/8
0.05
3.7
-87
46
77
90
6
0.02
120
-90
6.5
31
62
dBV BW=20～20kHz,Rg=0Ω
Unit
mW
mW
mW
mA
dB
dB
kΩ
dB
dB
dB
%
V
V
V
Mute OFF
Mute ON
BW=20～20kHz
R
(BH3541F,BH3544F,BH3548F)
R
(BH3547F)
R
(BH3541F,BH3544F,BH3548F)
R
(BH3547F)
R
(BH3548F)
Rg=0Ω
Rg=0Ω
f
RR
IN
L
L
L
L
L
Fig. 3 Output voltage vs.
=32Ω,THD<0.1%
=32Ω,THD＜0.3%
=16Ω,THD<0.1%
=16Ω,THD＜0.5%
=8Ω,THD＜0.25%
=100Hz,V
=0Vrms
Mute control voltage
BH3541F/BH3544F
Conditions
RR
=-20dBV
Technical Note
2010.05 - Rev.A
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