参数资料
型号: DS21448LDK
厂商: Maxim Integrated Products
文件页数: 33/60页
文件大小: 0K
描述: KIT DESIGN LIU DS21448L T1/J1/E1
标准包装: 1
DS21448 3.3V T1/E1/J1 Quad Line Interface
39 of 60
Figure 7-4. Dual Connector-Protected Interface Using Receive Termination
VDD
VSS
TTIP
TRING
RTIP
RRING
Dallas
Semiconductor
DS21448
VDD
VSS
0.01
F
0.01
F
0.1
F
+
10
F
0.1
F
S
Rt
1.0
F
MCLK
2.048MHz (THIS CAN ALSO
BE 1.544MHz FOR T1 ONLY
OPERATION)
0.1
F
S
68
F
60
S
FUSE
BALANCED LINE
(100
/120)
UNBALANCED
LINE (75
)
S
FUSE
0.22
F
0.22
F
L1
S
FUSE
S
FUSE
0.22
F
0.22
F
L1
0.8:1:1CT
51.1
BALANCED LINE
(100
/120)
UNBALANCED
LINE (75
)
1:1
0.8:1
1.6:1
2:1
0.8:1:1CT
NOTE 1: REFER TO
APPLICATION NOTE 384 FOR A COMPLETE DISCUSSION OF THIS CIRCUIT.
NOTE 2:
ALL RESISTOR VALUES ARE ±1%.
NOTE 3:
THE FUSES ARE OPTIONAL TO PREVENT AC POWER LINE CROSSES FROM COMPROMISING THE TRANSFORMERS.
NOTE 4:
S IS A SIDACTOR.
NOTE 5:
THE RT RESISTORS ARE USED TO INCREASE THE TRANSMITTER RETURN LOSS (Table 7-C). NO RETURN LOSS IS REQUIRED
FOR T1 APPLICATIONS.
NOTE 6:
THE 68
F IS USED TO KEEP THE LOCAL POWER PLANE POTENTIAL WITHIN TOLERANCE DURING A SURGE.
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相关代理商/技术参数
参数描述
DS21448LN 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448LN+ 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448-LW 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21448N 功能描述:网络控制器与处理器 IC 3.3V E1/T1/J1 Quad Interface RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS2145 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC