参数资料
型号: KSZ8001SL TR
厂商: Micrel Inc
文件页数: 39/46页
文件大小: 0K
描述: TXRX 10/100 LINKMD 3.3V 48-SSOP
标准包装: 1,000
类型: 收发器
规程: MII,RMII,SMII
电源电压: 1.8V, 3.3V
安装类型: 表面贴装
封装/外壳: 48-BSSOP(0.295",7.50mm 宽)
供应商设备封装: 48-SSOP
包装: 带卷 (TR)
配用: 576-1620-ND - BOARD EVALUATION FOR KSZ8001L
其它名称: KSZ8001SLTR
KSZ8001SLTR-ND
Micrel
KSZ8001
June 2009
Revision 1.04
44
Selection of Isolation Transformer
A 1:1 isolation transformer is required at the line interface. An isolation transformer with integrated common-mode choke is
recommended for exceeding FCC requirements. The following table gives recommended transformer characteristics.
Transformer Selection Criteria
Parameter
Value
Test Condition
Turns Ratio
1 CT : 1 CT
Open-Circuit Inductance (min.)
350 uH
100 mV, 100 kHz, 8 mA
Leakage Inductance (max.)
0.4 uH
1 MHz (min.)
Inter-Winding Capacitance (max.)
12 pF
D.C. Resistance (max.)
0.9 Ohms
Insertion Loss (max.)
1.0 dB
0-65 MHz
HIPOT (min.)
1500 Vrms
Magnetic Vendor Selection Lists
Single Port
Magnetic manufacturer
Part number
AUTO MDIX
Number of port
Pulse
H1102
Yes
1
Bel Fuse
S558-5999-U7
Yes
1
Bel Fuse
SI-46001
Yes
1
Bel Fuse
SI-50170
Yes
1
YCL
PT163020
Yes
1
Transpower
HB726
Yes
1
Delta
LF8505
Yes
1
LanKom
LF-H41S
Yes
1
Selection of Reference Crystal
An oscillator or crystal with the following typical characteristics is recommended.
Charateristics
Value
Units
Frequency
25.00000
MHz
Frequency Tolerance(max)
± 50
ppm
Load Capacitance (max)
20
pF
Series Resistance
40
Ω
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