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參數(shù)資料
| 型號： | TJA1050 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | CAN High-Speed Transceiver(CAN高速收發(fā)器) |
| 中文描述： | CAN高速收發(fā)器（的CAN高速收發(fā)器） |
| 文件頁數(shù)： | 20/31頁 |
| 文件大?。?/td> | 254K |
| 代理商： | TJA1050 |
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TJA1050 - CAN High-Speed Transceiver
Application Note
AN00020
Philips Semiconductors
20
allowable ground-offset can be derived from Figure 6.2 to be -13V (GND
-GND
). As each node in a
bus system acts temporary as transmitter, the maximum allowable ground-offset for the TJA1050 between
any two nodes is limited to 8V.
In recessive bus state each node tries to pull the bus lines according to their biasing and ground level
resulting in an average recessive bus voltage. In the example of Figure 6.1 the recessive bus voltage is found
to be around 6,5V with respect to the ground level of the receiving node and -1,5V with respect to the
ground level of the sending node.
The two examples in Figure 6.1 and Figure 6.2 indicate that ground-offsets in a bus system disturb
significantly the symmetrical character of CANH and CANL with respect to the recessive voltage level.
This implies the generation of unwanted common mode signals, which will increase electromagnetic
emission. Since emission is very sensitive towards ground-offsets, appropriate system implementation has
to be taken care of preventing ground-offset sources.
6LQJOH(QGHG
%XV9ROWDJH
WLPH
*1'QRGHUHFHLYHU
*1'QRGHWUDQVPLWWHU
&$1/
&$1+
9
9
9
9
9
9
UHFHVVLYH
GRPLQDQW
UHFHVVLYH
9
Figure 6.2: Ground level of the transmitting node 1 lies below that of the receiving node 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TJA1050T | 制造商:NXP Semiconductors 功能描述: 制造商:NXP Semiconductors 功能描述:LAN Transceiver, Single, 8 Pin, Plastic, SOP |
| TJA1050T/CM,118 | 功能描述:CAN 接口集成電路 RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| TJA1050T/H/V,112 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CAN 1MBd Silent 5V 8-Pin RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| TJA1050T/H/V,118 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CAN 1MBd Silent 5V 8-Pin RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| TJA1050T/N,112 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC HIGH SPEED CAN TRANSCEIVER RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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