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BH3548F Datasheet(PDF) 2 Page - Rohm |
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BH3548F Datasheet(HTML) 2 Page - Rohm |
2 / 9 page www.rohm.com 2011.04 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. Technical Note 2/8 BH3544F,BH3547F,BH3548F ● Electrical characteristics (Unless otherwise noted, Ta=25°C,VCC=5V,RL=32Ω,f=1kHz,BW=400~30kHz, VIN =-6dBV) Parameter Symbol Limits(TYP.) Unit Conditions BH3544F BH3547F BH3548F Quiescent current IQ 7 3.7 6.5 mA VIN=0Vrms Mute pin control voltage H VTMH 1.6< V Mute OFF Mute pin control voltage L VTML <0.3 V Mute ON Gain GVC 6 dB - Gain difference between channels Δ GVC 0 dB - Total harmonic distortion THD 0.02 0.05 0.02 % BW=20~20kHz Rated output 1 PO1 31 46 31 mW RL=32Ω,THD<0.1% (BH3544F,BH3548F) RL=32Ω,THD<0.3% (BH3547F) Rated output 2 PO2 62 77 62 mW RL=16Ω,THD<0.1% (BH3544F,BH3548F) RL=16Ω,THD<0.5% (BH3547F) Rated output 3 PO3 - 120 mW RL=8Ω,THD<0.25% (BH3548F) Output noise voltage VNO -93 dBV BW=20~20kHz,Rg=0Ω Channel separation CS -90 -87 -90 dB Rg=0Ω Mute attenuation ATT -80 dB Rg=0Ω Ripple rejection RR -57 dB fRR=100Hz,VRR=-20dBV Input resistance Rin 90 kΩ - ● Reference data BH3544F BH3544F BH3544F Fig. 1 Quiescent current vs. power supply voltage Fig. 2 in DC current vs. power supply voltage Fig. 3 Output voltage vs. Mute control voltage |
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