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 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.0