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BH7673G Datasheet(PDF) 4 Page - Rohm |
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BH7673G Datasheet(HTML) 4 Page - Rohm |
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4 / 13 page  Technical Note 4/9 BH7673G www.rohm.com 2015.03 - Rev.B © 2015 ROHM Co., Ltd. All rights reserved. ●Test Circuit Diagrams ●Application circuit examples ●Evaluation board pattern diagram and circuit diagram Fig.3 Evaluation Board Pattern Diagram Fig.4 Evaluation Board Circuit Diagram Parts list Symbol Function Recommended value Comments R42 R52 Input terminating resistor 50Ω, 75Ω, 600Ω etc. R41 R51 Surge Resistance unless 1kΩ It adds according to the necessity. C4 C5 Input coupling capacitor 1.0uF (See pages 6 to determine) Recommended B characteristics R1 The load resistance 2kΩ over C1 Output coupling capacitor See pages 6 to determine Recommended B characteristics C32 Decoupling capacitor 10uF Recommended B characteristics C31 0.1uF ●About the setting of a jumper switch Fig.1 Test Circuit Diagram Fig.2 Application circuit examples Make SW5 connection H4 on the side of the circuit and make H5 OPEN. Make SW5 connection H4 at the circuit and on the opposite side and make H5 ON. 1 2 3 5 4 VOUT GND VCC VIN VGND 1.0uF VCC 10μF 22 uF 75Ω VGND VIN Video Dviver IC 1.0uF 0.1μF 75Ω 75Ω BH76806FVM etc. BH7673G 1 2 3 5 4 VOUT GND VCC VIN VGND 4.7uF VCC 10μF 4.7uF 0.1μF V 47 μF 2kΩ A 50Ω See pages 6 for description of how to determine the capacity of I/O coupling capacitors. This IC cannot drive 75Ω directly. When driving 75Ω, connect a video driver such as BH76806FVM behind this IC. Test circuit diagrams are used for shipment inspections, and differ from application circuits. Fig.6 CMRR measurement Fig.5 Generally, it is when evaluating. |
Similar Part No. - BH7673G_15 |
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Similar Description - BH7673G_15 |
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