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BH3547F-E2 Datasheet(PDF) 2 Page - Rohm

Part # BH3547F-E2
Description  Standard Headphone Amplifiers
Download  9 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BH3547F-E2 Datasheet(HTML) 2 Page - Rohm

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www.rohm.com
2011.04 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
Technical Note
2/8
BH3544F,BH3547F,BH3548F
Electrical characteristics (Unless otherwise noted, Ta=25°C,VCC=5V,RL=32Ω,f=1kHz,BW=400~30kHz, VIN =-6dBV)
Parameter
Symbol
Limits(TYP.)
Unit
Conditions
BH3544F
BH3547F
BH3548F
Quiescent current
IQ
7
3.7
6.5
mA
VIN=0Vrms
Mute pin control voltage H
VTMH
1.6<
V
Mute OFF
Mute pin control voltage L
VTML
<0.3
V
Mute ON
Gain
GVC
6
dB
-
Gain difference between
channels
Δ
GVC
0
dB
-
Total harmonic distortion
THD
0.02
0.05
0.02
%
BW=20~20kHz
Rated output 1
PO1
31
46
31
mW
RL=32Ω,THD<0.1%
(BH3544F,BH3548F)
RL=32Ω,THD<0.3%
(BH3547F)
Rated output 2
PO2
62
77
62
mW
RL=16Ω,THD<0.1%
(BH3544F,BH3548F)
RL=16Ω,THD<0.5%
(BH3547F)
Rated output 3
PO3
-
120
mW
RL=8Ω,THD<0.25%
(BH3548F)
Output noise voltage
VNO
-93
dBV
BW=20~20kHz,Rg=0Ω
Channel separation
CS
-90
-87
-90
dB
Rg=0Ω
Mute attenuation
ATT
-80
dB
Rg=0Ω
Ripple rejection
RR
-57
dB
fRR=100Hz,VRR=-20dBV
Input resistance
Rin
90
kΩ
-
Reference data
BH3544F
BH3544F
BH3544F
Fig. 1 Quiescent current vs.
power supply voltage
Fig. 2 in DC current vs.
power supply voltage
Fig. 3 Output voltage vs.
Mute control voltage


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