TJA1051T/3 データシートの表示（PDF） - Philips Electronics

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TJA1051T/3

High-speed CAN transceiver

Philips Electronics 

TJA1051

High-speed CAN transceiver

Rev. 04 — 20 October 2009

Product data sheet

1. General description

The TJA1051 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 differential transmit and receive capability to (a

microcontroller with) a CAN protocol controller.

The TJA1051 is a up from the TJA1050 high-speed CAN transceiver. 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

• TJA1051T/3 and TJA1051TK/3 can be interfaced directly to microcontrollers with

supply voltages from 3 V to 5 V

These features make the TJA1051 an excellent choice for all types of HS-CAN networks,

in nodes that do not require a standby mode with wake-up capability via the bus.

2. Features

2.1 General

I Fully ISO 11898-2 compliant

I Suitable for 12 V and 24 V systems

I Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI)

I VIO input on TJA1051T/3 and TJA1051TK/3 allows for direct interfacing with 3 V to 5 V

microcontrollers (available in SO8 and very small HVSON8 packages respectively)

2.2 Low-power management

I Functional behavior predictable under all supply conditions

I Transceiver disengages from the bus when not powered up (zero load)

2.3 Protection

I High ElectroStatic Discharge (ESD) handling capability on the bus pins

I Bus pins protected against transients in automotive environments

I Transmit Data (TXD) dominant time-out function

I Undervoltage detection on pins VCC and VIO

I Thermally protected

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