BD3870FS ROHM Co. Ltd., BD3870FS Datasheet - Page 13
BD3870FS
Manufacturer Part Number
BD3870FS
Description
Audio Sound Processor For Home Audio
Manufacturer
ROHM Co. Ltd.
Datasheet
1.BD3870FS.pdf
(18 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BD3870FS
Manufacturer:
ROHM
Quantity:
111
Part Number:
BD3870FS
Manufacturer:
ROHM/罗姆
Quantity:
20 000
Part Number:
BD3870FS-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
(BD3870FS,BD3871FS,BD3873FS)
●Reference data
Fig. 22 Treble Gain - Frequency
Fig.19 Treble Gain - Frequency
Fig.13 Circuit Current - Power Supply
Fig.16 Current Gain - Frequency
10
-10
-15
10
20
18
16
14
12
10
15
10
-5
8
6
4
2
0
8
6
4
2
0
5
0
10
10
0
(BD3870FS, BD3873FS)
10
-12~+12dB
2dB step
(BD3872FS)
2
100
100
FREQUENCY (Hz)
100
FREQUENCY (Hz)
FREQUENCY (Hz)
VCC (V)
4
1000
1000
1000
Voltage
At 18dB setting
6
10000
10000
10000
+12dB
-12dB
8
100000
100000
100000
10
Fig.14 Output Voltage - Input Voltage
Fig.20 Treble Gain - Frequency
Fig.17 Voltage Gain - Frequency
0.001
-10
-15
30
25
20
15
10
15
10
0.01
5
0
-5
5
0
0.1
10
10
10
1
0.001
-14~+14dB
2dB step
INPUT VOLTAGE (Vrms)
(BD3872FS)
100
FREQUENCY (Hz)
100
FREQUENCY (Hz)
(BD3870FS)
0.01
(BD3871FS)
13/16
1000
1000
0.1
At 24dB setting
+14dB
-14dB
10000
10000
1
100000
100000
10
Fig.21 Surround Gain - Frequency
ratio - Input Voltage (BD3870FS)
Fig.15 Total Harmonic Distortion
Fig.18 Bass Gain - Frequency
0.001
0.01
0.1
20
15
10
-10
-15
10
15
10
5
0
-5
1
0.001
5
0
10
10
INPUT VOLTAGE (Vrms)
0.01
100
FREQUENCY (Hz)
100
FREQUENCY (Hz)
At oppoite-phase input
+14dB
-14dB
1000
0.1
1000
-14~+14dB
2dB step
10000
10000
1
100000
100000
10