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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, V i=200mVrms, RL= 10k, Rg= 600, Input Gain= 0dB (BD387 0FS, BD3872F S onl y),
Input Gain= 24dB (BD38 71FS onl y), Input Gain= 18dB (BD3873F S onl y),Volume=0dB, Bass=0dB, T reble=0dB,
Surround=OFF, Loud Speaker Equalizer=OFF (BD3872FS only), unless otherwise noted)
Parameter S
Limits
ymbol
Min. Typ. Max.
Unit Con
dition
Circuit Current
Total Output Voltage Gain
Total Harmonic Distortion ratio
Maximum Output Voltage
Total Output Noise Voltage
Total Residual Noise Voltage
Cross-talk between Channels
Cross-talk between Selectors
IQ
Gv
THD
Vom
Vno
Vmno
CTC
CTS
- 8 21
-2 0 2
22 24
26
16 18
20
- 0.01 0.1
1.6 2.1
-
- 4.5
15
- 40 80
- 4.5 15
- -80 -70
- -80 -70
mA At no signal
BD3870FS, BD3872FS
Gv=20log(VOUT/VIN)
dB
BD3871FS
Gv=20log(VOUT/VIN)
BD3873FS
Gv=20log(VOUT/VIN)
% BW=400 to 30kHz
Vrms
µVrms
µVrms
dB
THD=1%
BW=400 to 30kHz
BD3870FS, BD3872FS
Rg=0, BW=IHF-A
BD3871FS, BD3873FS
Rg=0, BW=IHF-A
Rg=0, BW=IHF-A
Volume=-dB
Rg=0, BW=IHF-A
VOUT=1Vrms
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
GTB
10 12
12 14
14
16
BD3870FS, BD3871FS, BD3873FS
dB
BD3872FS
Treble Cut Gain
GTC
-14 -12 -10
-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
357
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

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डाउनलोड[ BD3871FS Datasheet.PDF ]


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