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| 型号： | IDT82V2048BB |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 13/62页 |
| 文件大小： | 0K |
| 描述： | IC LIU T1/E1 8CH SHORT 160-BGA |
| 标准包装： | 14 |
| 类型： | 线路接口装置（LIU） |
| 规程： | E1 |
| 电源电压： | 3.13 V ~ 3.47 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 160-BGA |
| 供应商设备封装： | 160-PBGA（15x15） |
| 包装： | 托盘 |
| 其它名称： | 82V2048BB |
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20
IDT82V2048 OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT
INDUSTRIAL TEMPERATURE RANGES
2.7
LINE INTERFACE CIRCUITRY
The transmit and receive interface RTIPn/RRINGn and TTIPn/
TRINGn connections provide a matched interface to the cable. Figure-
14 shows the appropriate external components to connect with the cable
for one transmit/receive channel. Table-12 summarizes the component
values based on the specific application.
Figure-14 External Transmit/Receive Line Circuitry
2.8
TRANSMIT DRIVER POWER SUPPLY
All transmit driver power supplies must be 5.0 V or 3.3 V.
In E1 mode, despite the power supply voltage, the 75 /120 lines
are driven through a pair of 9.5 series resistors and a 1:2 transformer.
In T1 mode, only 5.0 V can be selected, 100 lines are driven through
a pair of 9.1 series resistors and a 1:2 transformer.
In harsh cable environment, series resistors are required to improve
the transmit return loss performance and protect the device from surges
coupling into the device.
Table-11 Output Jitter Specification
T1
E1
AT&T Pub 62411
ITU-T G.736
GR-253-CODE
ITU-T G.742
TR-TSY-000009
ITU-T G.783
ETSI CTR 12/13
Table-12 External Components Values
Component
E1
T1
75
Coax
120
Twisted Pair
100
Twisted Pair, VDDT = 5.0 V
R
T
9.5
± 1%
9.5
± 1%
9.1
± 1%
R
9.31
± 1%
15
± 1%
12.4
± 1%
Cp
2200 pF
1000 pF
D1 - D4
Nihon Inter Electronics - EP05Q03L, 11EQS03L, EC10QS04, EC10QS03L; Motorola - MBR0540T1
0.22
F
RX Line
1 k
RR
TX Line
RT
RTIPn
RRINGn
TRINGn
TTIPn
0.1
F
GNDTn
VDDDn
VDDT
ID
T8
2V204
8
One of Eight Identical Channels
VDDT
D4
D3
D2
D1
2:1
1
2:1
1
1 k
Cp
3
2
A
B
NOTE:
1. Pulse T1124 transformer is recommended to be used in Standard (STD) operating temperature range (0°C to 70°C), while Pulse T1114
transformer is recommended to be used in Extended (EXT) operating temperature range is -40°C to +85°C. See Transformer Specifications Table
for details.
2. Typical value. Adjust for actual board parasitics to obtain optimum return loss.
3. Common decoupling capacitor for all VDDT and GNDT pins. One per chip.
68
F
VDDT
D6
D5
VDDT
D8
D7
Table-13 Transformer Specifications(1)
1. Pulse T1124 transformer is recommended to be used in Standard (STD) operating temperature range (0°C to 70°C), while Pulse T1114 transformer is recommended to be used in
Extended (EXT) operating temperature range is -40°C to +85°C.
Electrical Specification @ 25°C
Part No.
Turns Ratio (Pri: sec ± 2%)
OCL @ 25°C (mH MIN)
LL (H MAX)
CW/W (pF MAX)
Package/Schematic
STD Temp.
EXT Temp.
Transmit
Receive
Transmit
Receive
Transmit
Receive
Transmit Receive
T1124
T1114
1:2CT
1CT:2
1.2
.6
35
TOU/3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IDT82V2048BBG | 功能描述:IC LIU T1/E1 8CH SHORT 160-BGA RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| IDT82V2048DA | 功能描述:IC LIU T1/E1 8CH SHORT 144-TQFP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| IDT82V2048DAG | 功能描述:IC LIU T1/E1 8CH SHORT 144-TQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
| IDT82V2048E | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:OCTAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT |
| IDT82V2048EBB | 功能描述:IC LIU T1/E1 8CH SHORT 208-BGA RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:带卷 (TR) |
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