Figure-10 Receive Differential Line " />
參數資料
型號： IDT82P2828BH
廠商： IDT, Integrated Device Technology Inc
文件頁數： 80/154頁
文件大?。?/td> 0K
描述： IC LIU T1/J1/E1 28+1CH 640-PBGA
標準包裝： 5
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.13 V ~ 3.47 V
安裝類型： 表面貼裝
封裝/外殼： 640-BGA 裸露焊盤
供應商設備封裝： 640-PBGA-EP（31x31）
包裝： 托盤
其它名稱： 82P2828BH
IDT82P2828
28(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Functional Description
31
February 6, 2009
Figure-10 Receive Differential Line Interface with
Twisted Pair Cable (transformer-less, non standard
compliant)
3.2.1.2 Receive Single Ended Mode
Receive Single Ended mode can only be used in 75
coaxial cable
applications.
In Receive Single Ended mode, only External Impedance Matching is
supported. External Impedance Matching circuit uses an external
resistor (Rr) only. The value of the resistor is 18.75
(see Figure-11 for
details) when the single end is connected with a 2:1 transformer or is 75
(see Figure-12 for details) when the single end is connected without a
transformer.
In Receive Single Ended mode, the RIM pin should be left open and
the configuration of the R_TERM[2:0] bits (b2~0, RCF0,...) is ignored.
Figure-11 Receive Single Ended Line Interface with Co-
axial Cable (with transformer)
Figure-12 Receive Single Ended Line Interface with Co-
axial Cable (transformer-less, non standard compliant)
IM
6.0Vpp
RTIPn
RRINGn
Rr/2
VCOM1
10 F
1. Two Rr/2 resistors should be connected to VCOM[1:0] that are
coupled to ground via a 10
F capacitor, which provide 60
common mode input resistance.
2. In this mode, lightning protection should be enhanced.
3. The maximum input dynamic range of RTIP/TRING pin is
-0.3 V ~3.6 V (in line monitor mode it is -0.3 V ~ 2 V)
Note:
VCOM0
2:1
Rr
RTIPn
RRINGn
4.74 Vpp
470 nF
IM
Rr2
RTIPn
RRINGn
4.74 Vpp
470 nF
Rr1
Rr = Rr1 + Rr2 = 75
In this mode, port protection should be enhanced.
Note:
IM
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相關代理商/技術參數
參數描述
IDT82P2828BHG 功能描述:IC LIU T1/J1/E1 28+1CH 640-PBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 標準包裝:250 系列:- 類型:收發(fā)器 驅動器/接收器數:2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR)
IDT82P2916 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:16-Channel High-Density T1/E1/J1 Line Interface Unit
IDT82P2916BFG 功能描述:IC LIU T1/E1/J1 16CH SH 484BGA RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS 產品變化通告:Product Discontinuation 06/Feb/2012 標準包裝:750 系列:*
IDT82P2916BFG8 制造商:Integrated Device Technology Inc 功能描述:IC LIU T1/E1/J1 16CH SH 484BGA
IDT82P5088 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:Universal Octal T1/E1/J1 LIU with Integrated Clock Adapter
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