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TJA1042BT PDF预览

TJA1042BT

更新时间: 2024-11-09 14:59:31
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
20页 114K
描述
High-speed CAN transceiver with Standby mode

TJA1042BT 数据手册

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TJA1042  
High-speed CAN transceiver with Standby mode  
Rev. 02 — 8 July 2009  
Product data sheet  
1. General description  
The TJA1042 is a high-speed CAN transceiver that provides an interface between a  
Controller Area Network (CAN) protocol controller and the physical two-wire CAN bus.  
The transceiver is designed for high-speed (up to 1 Mbit/s) CAN applications in the  
automotive industry, providing the differential transmit and receive capability to (a  
microcontroller with) a CAN protocol controller.  
The TJA1042 is a step up from the TJA1040, PCA82C250 and PCA82C251 high-speed  
CAN transceivers. It offers improved ElectroMagnetic Compatibility (EMC) and  
ElectroStatic Discharge (ESD) performance, and also features:  
Ideal passive behavior to the CAN bus when the supply voltage is off  
A very low-current Standby mode with bus wake-up capability  
Direct interfacing to microcontrollers with 3 V to 5 V supply voltages on TJA1042T/3  
and TJA1042TK/3  
These features make the TJA1042 an excellent choice for all types of HS-CAN networks,  
in nodes that require a low-power mode with wake-up capability via the CAN bus.  
2. Features  
2.1 General  
I Fully ISO 11898-2 and ISO 11898-5 compliant  
I Suitable for 12 V and 24 V systems  
I Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)  
I VIO input on TJA1042T/3 and TJA1042TK/3 allows for direct interfacing with 3 V to 5 V  
microcontrollers (available in SO8 and very small HVSON8 packages respectively)  
I SPLIT voltage output on TJA1042T for stabilizing the recessive bus level (available in  
SO8 package only)  
2.2 Low-power management  
I Very low-current Standby mode with host and bus wake-up capability  
I Functional behavior predictable under all supply conditions  
I Transceiver disengages from the bus when not powered up (zero load)  
2.3 Protections  
I High ESD handling capability on the bus pins  
I Bus pins protected against transients in automotive environments  

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