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BD3814FV PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD3814FV
기능 6ch Electronic Volume
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BD3814FV 데이터시트, 핀배열, 회로
Sound Processors for Home Theater Systems
6ch
Electronic Volume
BD3814FV
No.10081EAT05
Description
BD3814FV is a 1-chip sound processor incorporating such functions as volume, bass, and treble, necessary for AV receivers,
home theater systems, and mini-audio systems. This IC adopts the Bi-CMOS process, and realizes low distortion, low noise,
and a wide dynamic range.
Features
1) Dynamic range: 132dB (tone bypath, VOL = MUTE, IHF-A)
2) Master volume 6ch independent (0 to -95dB, MUTE 1dB/step)
3) Low current consumption design achieved by adopting the BiCMOS process
4) Maximum output voltage: 4.3Vrms (Vcc=7V, VEE=-7V, RL=10k)
5) Built-in 2 OP amplifiers
6) 2-line serial control (for both 3.3V and 5V)
Applications
AV receivers, home theater systems, mini-audio systems, TVs etc.
Absolute maximum ratings (Ta=25)
Parameter
Symbol
Power supply voltage
VCC
VEE
Input signal voltage
VIN
Ratings
7.5*1
-7.5
VCC+0.3 to VEE-0.3
Unit
V
V
Power dissipation
Pd
900*2
mW
Operating temperature range
Topr
-20 to +75
Storage temperature range
Tastg
-55 to +125
*1 Even in the specified range of Power Supply Voltage, applying voltage only to the VCC side may cause an excessive current
to give a permanent damage to the IC.
When starting up power supplies, VEE and VCC should be powered on simultaneously or VEE first; then followed by VCC.
*2 Reduced by 9 mW/C over 25C, when installed on the standard board (size: 70x70x1.6mm).
Operating conditions
Must function normally at Ta=25.
Parameter
Symbol
Operating source voltage
VCC
VEE
Ratings
Min. Typ. Max.
5 7 7.3
-7.3 -7
-5
Unit
V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/10
2010.06 - Rev.A




BD3814FV pdf, 반도체, 판매, 대치품
BD3814FV
Timing chart
1. Signal timing conditions
Data is read on the rising edge of the clock.
Latch is read on the falling edge of the clock.
Latch signal must terminate with the LOW state.
* To avoid malfunctions, clock and data signals must terminate with the LOW state.
Technical Note
CL
(CLOCK)
90%
90%
90%
twc twc
10%
10%
thd ts th tsd thd
90%
10%
tsl thl
DA
DATA
LATCH
90% twd 90%
DATA
10%
twh
10%
Fig.1
90%
DATA
90%twl
10% LATCH
90%
Terminate
with Low.
Parameter
Minimum clock width
Minimum data width
Minimum latch width
LOW hold width
Data setup time (DATACLK)
Data hold time (CLKDATA)
Latch setup time (CLKLATCH)
Latch hold time (DATALATCH)
Latch low setup time
Latch low hold time
Symbol
twc
twd
twl
twh
tsd
thd
tsl
thl
ts
th
Min.
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
1.0
Limits
Typ.
Unit
Max.
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
2. Voltage conditions for control signal
Parameter
Condition
“H” input voltage
“L” input voltage
Vcc=5 ~ 7.3V
VEE=-5 ~ -7.3V
Limits
Unit
Min. Typ. Max.(Vcc)
2.2 5.5 V
0 1.0 V
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
4/10
2010.06 - Rev.A

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BD3814FV 전자부품, 판매, 대치품
BD3814FV
Reference data
8 VCC
6
4
2
0
VEE
-2
-4
-6
-8
0
5 10
POWER SUPPLY (V)
Fig.3 Circuit current - Power supply
10
1
0.1
0.01
0.001
0.0001
0.001
0.01
0.1
1
INPUT VOLTAGE (Vrms)
10
Fig.6 THD+N - Input voltage
Technical Note
10
8
6
4
2
0
-2
-4
-6
-8
-10
10
100 1000 10000 100000
FREQUENCY (Hz)
Fig.4 Voltage gain - Frequency
10
1
0.1
0.01
0.001
0.001 0.01
0.1
1
10
INPUT VOLTAGE (Vrms)
Fig.5 Output voltage - Input voltage
20
15
10
5
0
-5
-10
-15
-20
10
+14dB
-14+14dB
2dB/step
-14dB
100 1000 10000 100000
FREQUENCY (Hz)
Fig.7 Bass gain - Frequency
20 +14dB
15
10
5
0
-5
-14+14dB
-10
2dB/step
-15
-14dB
-20
10
100 1000 10000 100000
FREQUENCY (Hz)
Fig.8 Treble gain - Frequency
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
7/10
2010.06 - Rev.A

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BD3814FV

6ch Electronic Volume

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