参数资料
型号: DP83848HSQ/NOPB
厂商: National Semiconductor
文件页数: 27/82页
文件大小: 0K
描述: IC TXRX ETHERNET PHYTER 40-LLP
产品培训模块: PHYTER® Family
标准包装: 1
类型: 收发器
驱动器/接收器数: 1/1
规程: 以太网
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-LLP-EP(6x6)
包装: 剪切带 (CT)
配用: DP83848H-MAU-EK-ND - BOARD EVALUATION DP83848H
其它名称: *DP83848HSQ/NOPB
DP83848HSQCT
www.national.com
32
D
P
83
84
8H
5.0 Design Guidelines
5.1 TPI Network Circuit
Figure 11 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 character-
istics requires that the application be tested to ensure that
the circuit meets the requirements of the intended applica-
tion.
Pulse H1102
Pulse H2019
Pulse J0011D21
Pulse J0011D21B
Figure 11. 10/100 Mb/s Twisted Pair Interface
RJ45
RD-
RD+
TD-
TD+
RD-
RD+
TD-
TD+
1:1
0.1F*
T1
1:1
COMMON MODE CHOKES
MAY BE REQUIRED.
49.9
49.9
0.1F*
Vdd
NOTE: CENTER TAP IS PULLED TO VDD
*PLACE CAPACITORS CLOSE TO THE
TRANSFORMER CENTER TAPS
0.1
F
All values are typical and are +/- 1%
PLACE RESISTORS AND
CAPACITORS CLOSE TO
THE DEVICE.
Vdd
49.9
49.9
0.1
F
Vdd
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