参数资料
型号: XRT5897IV-F
厂商: Exar Corporation
文件页数: 2/21页
文件大小: 0K
描述: IC LIU E1 7CH 3.3V 100TQFP
产品变化通告: Product Discontinuation 18/Jan/2012
标准包装: 90
类型: 线路接口装置(LIU)
驱动器/接收器数: 7/7
规程: E1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
XRT5897
10
Rev. 1.11
Disabling Output Drivers
Output drivers may be individually disabled (hi-z output) by either of the following methods.
1. Either connect the transmit data inputs TXPOS
and TXNEG for the channel to be disabled to a log-
ic 1 source (VCC), or allow them to float (inputs
have internal pull--up resistors).
2. Connect TXCLK for the channel to be disabled to
logic 0 source (Ground), and also apply data to the
TXPOS and TXNEG inputs of that channel.
TRANSFORMER REQUIREMENTS
Turns Ratio
Line Impedance
1:2 CT
75W or 120W
Table 1. Input Transformer Requirements
Turns Ratio
Line Impedance
1:2
75W or 120W
Table 2. Output Transformer Requirements
Note:
The same type 1:2 CT ratio device may be used at both receiver input and transmitter output.
The following transformers have been tested with the XRT5897:
HALO type TG26-1205(package contains two 1 CT:2 CT ratio transformers)
Pulse type PE-65535 (1:2 CT ratio)
Transpower Technologies type TTI 7154-R (1:2 CT ratio)
Magnetic Supplier Information:
HALO Electronics, Inc.
P.O. Box 5826
Redwood City, CA 94063
Tel. (415) 568-5800
Fax. (415)568-6161
Pulse
Telecom Product Group
P.O. Box 12235
San Diego, CA 92112
Tel. (619) 674-8100
Fax. (619) 674-8262
Transpower Technologies, Inc.
24 Highway 28, Suite 202
Crystal Bay, NV 89402--0187
Tel. (702) 831--0140
Fax. (702) 831--3521
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