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BD3873FS Arkusz danych(PDF) 2 Page - Rohm |
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BD3873FS Arkusz danych(HTML) 2 Page - Rohm |
2 / 16 page Technical Note 2/15 www.rohm.com 2010.10 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. BD3870FS,BD3871FS,BD3872FS,BD3873FS ● Electrical characteristics (Ta=25 ℃ , VCC=8V, f=1kHz, Vi=200mVrms, RL=10kΩ, Rg=600Ω, 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 Symbol Limits Unit Condition Min. Typ. Max. Circuit Current IQ - 8 21 mA At no signal Total Output Voltage Gain Gv -2 0 2 dB BD3870FS, BD3872FS Gv=20log(VOUT/VIN) 22 24 26 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 15 µVrms BD3870FS, BD3872FS Rg=0Ω, BW=IHF-A - 40 80 BD3871FS, BD3873FS Rg=0Ω, BW=IHF-A Total Residual Noise Voltage Vmno - 4.5 15 µVrms Rg=0Ω, BW=IHF-A Volume=- dB Cross-talk between Channels CTC - -80 -70 dB Rg=0Ω, BW=IHF-A VOUT=1Vrms Cross-talk between Selectors CTS - -80 -70 dB Rg=0Ω, BW=IHF-A Input Impedance Rin 35 50 65 kΩ BD3870FS, BD3871FS, BD3873FS 70 100 130 BD3872FS Output Impedance Rout - - 50 Ω 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 kΩ 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 14 dB BD3870FS, BD3871FS, BD3873FS 12 14 16 BD3872FS Treble Cut Gain GTC -14 -12 -10 dB BD3870FS, BD3871FS, BD3873FS -16 -14 -12 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. |
Podobny numer części - BD3873FS |
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Podobny opis - BD3873FS |
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