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DP83848C 数据表(PDF) 68 Page - Texas Instruments |
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DP83848C 数据表(HTML) 68 Page - Texas Instruments |
68 / 86 page DP83848C, DP83848I DP83848VYB, DP83848YB SNLS266E – MAY 2007 – REVISED MARCH 2015 www.ti.com 7 Application, Implementation, and Layout NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 7.1 Application Information The device is a physical layer Ethernet transceiver. Typical operating voltage is 3.3 V with power consumption less than 270 mW. When using the device for Ethernet application, it is necessary to meet certain requirements for normal operation of device. Following typical application and design requirements can be used for selecting appropriate component values for DP83848. 7.2 Typical Application Figure 7-1. Typical Application Schematic 7.2.1 Design Requirements The design requirements for DP83848 are: • Vin = 3.3 V • Vout = Vcc – 0.5 V • Clock Input = 25 MHz for MII and 50 MHz for RMII 7.2.1.1 TPI Network Circuit Figure 7-2 shows the recommended circuit for a 10/100 Mb/s twisted pair interface. To the right is a partial list of recommended transformers. It is important that the user realize that variations with PCB and component characteristics requires that the application be tested to ensure that the circuit meets the requirements of the intended application. • Pulse H1102 • Pulse H2019 • Pulse J0011D21 • Pulse J0011D21B 68 Application, Implementation, and Layout Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: DP83848C DP83848I DP83848VYB DP83848YB |
类似零件编号 - DP83848C |
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类似说明 - DP83848C |
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