BD3870FS-E2 Rohm Semiconductor, BD3870FS-E2 Datasheet - Page 12
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BD3870FS-E2
Manufacturer Part Number
BD3870FS-E2
Description
IC SOUND PROCESSOR SSOP-A24
Manufacturer
Rohm Semiconductor
Series
-r
Type
Audio Processorr
Datasheet
1.BD3870FS-E2.pdf
(16 pages)
Specifications of BD3870FS-E2
Applications
Audio Systems
Mounting Type
Surface Mount
Package / Case
24-SOP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BD3870FS-E2
Manufacturer:
ROHM/罗姆
Quantity:
20 000
(BD3870FS,BD3871FS,BD3873FS)
●Reference data
BD3870FS,BD3871FS,BD3872FS,BD3873FS
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
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
8
6
4
2
0
-5
8
6
4
2
0
5
0
10
0
10
(BD3870FS, BD3873FS)
10
-12~+12dB
2dB step
(BD3872FS)
2
At 18dB setting
100
100
FREQUENCY (Hz)
100
FREQUENCY (Hz)
FREQUENCY (Hz)
VCC (V)
4
1000
1000
1000
Voltage
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
5
0
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)
At 24dB setting
12/15
1000
1000
0.1
+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
20
15
10
0.1
-10
-15
10
15
10
5
0
-5
1
0.001
5
0
10
10
At oppoite-phase input
INPUT VOLTAGE (Vrms)
0.01
100
FREQUENCY (Hz)
100
FREQUENCY (Hz)
+14dB
-14dB
Technical Note
2010.10 - Rev.A
1000
0.1
1000
-14~+14dB
2dB step
10000
10000
1
100000
100000
10