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BD5461GUL-E2 Datasheet(PDF) 6 Page - Rohm |
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BD5461GUL-E2 Datasheet(HTML) 6 Page - Rohm |
6 / 17 page Technical Note 6/16 BD5461GUL www.rohm.com 2010.06 - Rev.A © 2010 ROHM Co., Ltd. All rights reserved. ● Evaluation board Parts List Qty. Item Description SMD Size Manufacturer/ Part Number 2 C1, C2 Capacitor, 0.1μF 0603 Murata GRM188R71C104KA01D 1 C3 Capacitor, 10μF A (3216) ROHM TCFGA1A106M8R 1 S1 Slide Switch 4mm X 10.2mm NKK SS-12SDP2 1 U1 IC, BD5461GUL, Mono Class-D audio amplifier 1.6mm X 1.6mm WL-CSP Package ROHM BD5461GUL 1 PCB1 Printed-circuit board, BD5460GUL EVM ― ― ● Description of External components ① Input coupling capacitor (C1,C2) It makes a Input coupling capacitor 0.1µF. Input impedance is 75kΩ (Typ.). It sets cutoff frequency fc by the following formula by input coupling capacitor C1(=C2) and input impedance Ri. In case of Ri=75kΩ, C1 (=C2)=0.1µF, it becomes fc = about 21 Hz. ② Power decoupling capacitor (C3) It makes a power decoupling capacitor 10 µF. When making capacitance of the power decoupling capacitor, there is an influence in the Audio characteristic. When making small, careful for the Audio characteristic at the actual application. [Hz] 1 C Ri π 2 1 fc |
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