Datasheet > TJA1042

TJA1042

更新时间： 2024-11-20 06:01:59

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

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TJA1042 数据手册

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 V_IOinput 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

12 3 4 5 6 7...20

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