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BD3461FS 数据表(PDF) 1 Page - Rohm

部件名 BD3461FS
功能描述  General-Purpose 6ch Electronic Volume with Built-in Advanced Switch
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BD3461FS 数据表(HTML) 1 Page - Rohm

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○Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays
1/28
TSZ02201-0C2C0E100360-1-2
© 2015 ROHM Co., Ltd. All rights reserved.
16.Dec.2015 Rev.001
TSZ22111・14・001
www.rohm.com
General-Purpose 6ch Electronic Volume
with Built-in Advanced Switch
BD3461FS
General Description
BD3461FS is a 6ch electronic volume which has the
best audio efficiency in the industry. It has an external
sound mixing function (with
volume) in the favorite
channel
for
mixing
of
portable
audio
and
car
navigation
’s guide sound. Also, BD3461FS has a
volume switching shock sound prevention technique
called
“Advanced Switch,” supporting the construction
of high quality car audio space by simple control.
Features
Reduce switching noise of volume by using
Advanced Switch circuit.
Mixing for external sound monaural 3ch. It is
possible that is mixed to front/Rear/Sub output
Lch/Rch independently.
Built-in 3ch ATT for external sound mixing that can
be controlled independently.
Built-in buffered ground isolation amplifier inputs,
ideal for external input.
Energy-saving design resulting in low-current
consumption by utilizing the Bi-CMOS process. It
has the advantage in quality over scaling down the
power heat control of internal regulators.
Arranges all I/O terminals together for easier PCB
layout and smaller PCB area.
I2C BUS can be controlled by 3.3V / 5V.
Applications
It is optimal for car audio. It can also be used for car
navigation, audio equipment of mini Compo, micro
Compo, DVD, TV, etc.
Key Specifications
Power Supply Voltage Range:
7.0V to 9.5V
Circuit Current (no signal):
25mA(Typ)
Total Harmonic Distortion:
0.0004% (Typ)
Maximum Input Voltage:
2.35Vrms (Typ)
Cross-talk between Selectors:
-105dB (Typ)
Volume Control Range:
+23dB to -79dB
Output Noise Voltage:
1.9µVrms(Typ)
Residual Output Noise Voltage:
1.6µVrms (Typ)
Operating Temperature Range:
-40°C to +85°C
Package
W(Typ) x D(Typ) x H(Max)
Typical Application Circuit
VCC
OUTS2
INR1
10μ
0.1μ
4.7μ
OUTS1
OUTR2
OUTR1
OUTF2
OUTF1
SDA
SCL
CS
4.7μ
4.7μ
4.7μ
4.7μ
10μ
4.7μ
10μ
10μ
GND
FIL
2.2K
4.7μ
10μ
10μ
INF1
INF2
INR2
INS1
INS2
EXT3
EXT1
EXT2
DIFFOUT
NIN
PIN
10μ
I2C BUS LOGIC
100k
22
21
20
19
18
17
16
15
14
13
3
4
5
6
7
8
9
10
11
12
100k
100k
100k
100k
24
23
1
2
VCC/2
100k
100k
100k
BUFFERED
GND ISO AMP
VCC
GND
100k
100k
100k
Independent
control
■6ch Volume
+23dB~-79dB/1dB step,-∞
★:Advanced switch circuit
■Mixing ATT
0dB~-32dB/8dB step,
-32dB~-64dB/16dB step,-∞
+23dB to -79dB / 1dB
0dB to -32dB / 8dB
-32dB to -64dB / 16dB
Unit
R : [Ω]
C : [F]
SSOP-A24
10.00mm x 7.80mm x 2.10mm
Datasheet
Datasheet


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