99W085A Line amplifier for CD-ROM/DVD-ROM BH3527FV Description Dimension(Units:mm) The BH3527FV is a line amplifier that elevates the audio analog signal for CD-ROMs. The IC includes an output mute circuit to reduce POP noise caused by the power being turned OFF and ON. Features 1)Built-in 2 line amplifiers (3.5dB) 2)Built-in output mute circuit 3)Few external components SSOP-B14 Applications CD-ROM, DVD-ROM, Game machines Absolute Maximum Ratings(Ta=25˚C) Parameter Supply voltage Symbol VMAX Limits 7.0 Unit * V Power dissipation Pd Topr 400 -25 ~ +75 mW Operating temperature range Storage temperature range Tstg -55 ~ +125 ˚C ˚C *Derating: 4.0mW/˚C for operation above Ta=25˚C. Recommended Operating Conditions(Ta=25˚C) Parameter Symbol Min. Typ. Max. Supply voltage VCC Load resistance RL Unit 3.5 - 5.5 V - 47 - kΩ November, 1999 Electrical Characteristics (Unless otherwise noted, Ta=25˚C, Vcc= 5.0V, RL=47kΩ, f=1kHz) Parameter Symbol Iq Min. Typ. Max. Unit 2.0 3.4 6.0 mA Mute terminal "H" level voltage VMH 2.4 - - V Mute terminal "L" level voltage VML - - 0.8 V Mute terminal source current IMH - 42.0 90.0 A Vm=5.0V (mode: High) Mute terminal source current Voltage gain IML -90.0 -39.0 - A Vm=0.3V (mode: Low) GVC 2.4 3.4 4.4 dB VO=1.0V Differential channel voltage gain GVC -0.5 0.0 0.5 dB VO=1.0V Quiescent current Conditions VO=0Vrms Total harmonic distortion THD - 0.016 0.03 % Maximum output voltage Output noise voltage VOMAX 0.7 1.0 - Vrms VNO - 15 30 V Channel separation CS 85 100 - dB Mute attenuation Ripple rejection rate ATT 65 77 - dB RR 45 55 - dB Input resistance RIN 50 65 75 THD=0.01% DIN Audio VRR=-20dBV, 100Hz k Application circuit L-output (RL=47K ) 100 + 10 + L=IN 10 Vcc + 14 13 12 11 10 9 8 10 + 10 + + + + - MUTE BH3527FV 1 3 2 100 control ACTIVE MUTE-1=H MUTE-2=L 6 5 7 MUTE-2 R-output (RL=47K ) 4 10 MUTE-1 + + 10 + 1 R=IN This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components.