Technical Note
12/15
www.rohm.com
2010.10 - Rev.
© 2010 ROHM Co., Ltd. All rights reserved.
BD3403FV,BD3861FS,BD3883FS
0
5
10
15
0246810
VCC(V)
ICC(mA)
0
5
10
15
0246810
VCC(V)
ICC(mA)
-10
-8
-6
-4
-2
0
2
4
6
8
10
10 100 1000 10000 100000
FREQUENCY(Hz)
GAIN(dB)
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
INPUT VOLTAGE(Vrms)
OUTPUT VOLTAGE(Vrms)
0.01
0.1
1
10
0.001 0.01 0.1 1 10
OUTPUT VOLTAGE(Vrms)
THD+N(%)
0.001
0.01
0.1
1
10
0.001 0.01 0.1 1 10
OUTPUT VOLTAGE(Vrms)
THD+N(%)
-15
-10
-5
0
5
10
15
10 100 1000 10000 100000
FREQUENCY(Hz)
GAIN(dB)
+14dB
-14dB
-14dB
～
+14dB
2dB/step
-15
-10
-5
0
5
10
15
10 100 1000 10000 100000
FREQUENCY(Hz)
GAIN(dB)
+12dB
-12dB
-12dB
～
+12dB
2dB/step
-15
-10
-5
0
5
10
15
10 100 1000 10000 100000
FREQUENCY(Hz)
GAIN(dB)
+12dB
-12dB
-12dB
～
+12dB
2dB/step
0
2
4
6
8
10
12
14
16
10 100 1000 10000 100000
FREQUENCY(Hz)
GAIN(dB)
4.68kHz
5.64kHz
6.67kH
8.15kH
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
2
10 100 1000 10000 10000
0
FREQUENCY(Hz)
GAIN(dB)
Fig.6 Circuit Current – Supply Voltage
(BD3403FV)
Fig.7Circuit Current – Supply Voltage
(BD3883FS)
Fig.8 Voltage Gain - Frequency
Fig.9 Output Voltage - Input Voltage
Fig.10 Total Harmonic Distortion ratio -
Output Voltage (BD3403FV, BD3861FS)
Fig.11Total Harmonic Distortion ratio -
Output Voltage (BD3883FS)
Fig.12 Bass Gain - Frequency
（BD3403FV, BD3861FS）
Fig.13 Middle Gain - Frequency
(BD3403FV, BD3861FS)
Fig.14 Treble Gain - Frequency
(BD3403FV, BD3861FS)
Fig.15 Variable Treble Cut-off
Frequency (BD3883FS)
Fig.16 2ndHPF - Frequency
(BD3883FS)
●Reference data
