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BD3871FS डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Sound Processors - Rohm

भाग संख्या BD3871FS
समारोह Sound Processors
मैन्युफैक्चरर्स Rohm 
लोगो Rohm लोगो 
पूर्व दर्शन
1 Page
		
<?=BD3871FS?> डेटा पत्रक पीडीएफ

BD3871FS pdf
BD3870FS,BD3871FS,BD3872FS,BD3873FS
Technical Note
Electrical characteristics
(Ta=25 , VCC=8V, f=1kHz, Vi=200mVrms, RL=10k, Rg=600, Input Gain=0dB (BD3870FS, BD3872FS only),
Input Gain=24dB (BD3871FS only), Input Gain=18dB (BD3873FS only),Volume=0dB, Bass=0dB, Treble=0dB,
Surround=OFF, Loud Speaker Equalizer=OFF (BD3872FS only), unless otherwise noted)
Parameter
Limits
Symbol
Min. Typ. Max.
Unit
Condition
Circuit Current
IQ - 8 21 mA At no signal
Total Output Voltage Gain
-2 0 2
BD3870FS, BD3872FS
Gv=20log(VOUT/VIN)
Gv
22
24
26
dB
BD3871FS
Gv=20log(VOUT/VIN)
16 18 20
BD3873FS
Gv=20log(VOUT/VIN)
Total Harmonic Distortion ratio THD
- 0.01 0.1
% BW=400 to 30kHz
Maximum Output Voltage
Vom 1.6 2.1
-
Vrms
THD=1%
BW=400 to 30kHz
Total Output Noise Voltage
Vno
-
-
4.5
40
15
80
µVrms
BD3870FS, BD3872FS
Rg=0, BW=IHF-A
BD3871FS, BD3873FS
Rg=0, BW=IHF-A
Total Residual Noise Voltage
Vmno
-
4.5
15
µVrms
Rg=0, BW=IHF-A
Volume=-dB
Cross-talk between Channels
CTC
-
-80 -70
dB
Rg=0, BW=IHF-A
VOUT=1Vrms
Cross-talk between Selectors
CTS
-
-80 -70
dB Rg=0, BW=IHF-A
Input Impedance
35 50 65
BD3870FS, BD3871FS, BD3873FS
Rin k
70 100 130
BD3872FS
Output Impedance
Rout
-
- 50
Volume Control Range
VRI -90 -87 -84
dB VR=20log(VOUT/VIN)
Maximum Volume Attenuation Vmin
-
- -90 dB BW=IHF-A
Volume Input Impedance
Rvin 39 56 73 k
Bass Boost Gain
GBB 12 14 16 dB GB=20log(VOUT/VIN)
Bass Cut Gain
GBC -16 -14 -12
dB GB=20log(VOUT/VIN)
Bass Step Resolution
BR - 2 - dB
Treble Boost Gain
10 12 14
BD3870FS, BD3871FS, BD3873FS
GTB
dB
12 14 16
BD3872FS
Treble Cut Gain
-14 -12 -10
GTC
-16 -14 -12
BD3870FS, BD3871FS, BD3873FS
dB
BD3872FS
Treble Step Resolution
TR - 2 - dB
Surround In-phase Gain
Vsur1 -2
0
2 dB 2ch in-phase inputs
Surround Single-phase Gain
Vsur2 4.3 6.3 8.3
dB 1ch input, 1ch grounded
Surround Opposite-phase Gain Vsur3 8
10 12
dB 2ch opposite-phase inputs
Loud Speaker Equalizer Gain
(BD3872FS only)
Seq
3
5
7 dB f=10kHz
* For measurement, VP-9690A (Average value wave detection, Effective value display) IHF-A filter by Matsushita Communication Industrial is used.
* Phase relation between Input/Output signal terminals is the same.
* Note: This IC is not designed to be radiation-resistant.
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
2/15
2010.10 - Rev.A

विन्यास 18 पेज
डाउनलोड[ BD3871FS Datasheet.PDF ]


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