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BD3811KS Arkusz danych(PDF) 2 Page - Rohm |
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BD3811KS Arkusz danych(HTML) 2 Page - Rohm |
2 / 18 page Technical Note 2/17 www.rohm.com 2010.06 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. BD3811K1,BD3818KS ● Absolute maximum ratings (Ta=25℃) Parameter Symbol Ratings Unit Power Supply Voltage VCC 7.5 *1 V VEE -7.5 Input Signal Voltage VIN VCC+0.3 to VEE-0.3 V Power Dissipation Pd 1200 *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 12 mW/℃ over 25℃, when installed on the standard board (size: 70x70x1.6mm). ● Operating range It must function normally at Ta=25℃. Part No. Parameter Symbol Ratings Unit Min. Typ. Max. BD3811K1 Operating Supply Voltage VCC 5 7 7.3 V VEE -7.3 -7 -5 BD3818KS Operating Supply Voltage VCC 5 7 7.4 V VEE -7.4 -7 -5 ● Electrical characteristics 1) BD3811K1 (Ta=25℃, VCC=7V, VEE=-7V, f=1kHz, Vin=1Vrms, RL=10kΩ, Rg=600Ω, Input ATT=0dB, Input gain=0dB, Master volume=0dB, Output gain=0dB, Bass, Treble and bass boost=0dB, unless otherwise noted.) Parameter Symbol Limits Unit Conditions Min. Typ. Max. Circuit Current VCC IQ ― 15 30 mA No signal VEE -30 -15 ― Output Voltage Gain 1ch Gv1 -2 0 2 dB Measure : Pin55 Output Voltage Gain 2ch Gv2 -2 0 2 dB Measure : Pin57 Total Harmonic Distortion Ratio 1ch THD1 ― 0.005 0.09 % Measure : Pin55 BW=400~30kHz Total Harmonic Distortion Ratio 2ch THD2 ― 0.005 0.09 % Measure : Pin57 BW=400~30kHz Maximum Output Voltage 1ch Vomax1 3.4 4.2 ― Vrms Measure : Pin55 THD=1% Maximum Output Voltage 2ch Vomax2 3.4 4.2 ― Vrms Measure : Pin57 THD=1% Output Noise Voltage 1ch Vno1 ― 2.5 12 µVrms Measure : Pin 55 Rg=0 Ω , Tone: ON BW=IHF-A ― 2.0 9.0 µVrms Measure : Pin 55 Rg=0 Ω , By Pass mode BW=IHF-A Output Noise Voltage 2ch Vno2 ― 2.5 12 µVrms Measure : Pin 57 Rg=0 Ω , Tone: ON BW=IHF-A ― 2.0 9.0 µVrms Measure : Pin 57 Rg=0 Ω , By Pass mode BW=IHF-A Input Impedance 1ch Rin1 28 47 70 kΩ Measure : Pin1, 3, 5, 7, 9, 11, 77, 79 Input Impedance 2ch Rin2 28 47 70 kΩ Measure : Pin2, 4, 6, 8, 10, 12, 78, 80 Cross-talk between Channels 1ch 2ch CTC12 ― -100 -70 dB Measure : Pin57(OUT2) Rg=0Ω, BW=IHF-A Reference : Pin55(OUT1)=1Vrms Cross-talk between Channels 2ch 1ch CTC21 ― -100 -70 dB Measure : Pin55(OUT1) Rg=0Ω, BW=IHF-A Reference : Pin57(OUT2)=1Vrms Cross-talk between Selectors 1ch CTS1 ― -100 -70 dB Measure : Pin 55 Rg=0Ω, BW=IHF-A Cross-talk between Selectors 2ch CTS2 ― -100 -70 dB Measure :Pin 57 Rg=0Ω, BW=IHF-A |
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