ATA6670-FFQW【PDF 1/19 页】IC TXRX LIN DUAL 14VDFN

9204F–AUTO–06/12

Features

● Operating range from 5V to 27V

● Baud rate up to 20Kbaud

● LIN physical layer according to LIN specification 2.0, 2.1 and SAEJ2602-2

● Fully compatible with 3.3V and 5V devices

● TXD dominant timeout timer

● Normal and Sleep Mode

● Wake-up capability via LIN bus (90s dominant)

● Very low standby current during Sleep Mode (10A)

● Bus pin is overtemperature and short-circuit protected versus GND and battery

● LIN input current < 2A if VBAT Is disconnected

● Overtemperature protection

● High EMC level

● Interference and damage protection according to ISO/CD 7637

● Fulfills the OEM hardware requirements for LIN in automotive applications rev. 1.1

● Transceiver 2: additional INH high side switch output and high voltage WAKE input

Description

The Atmel ATA6670 is a fully integrated Dual-LIN transceiver complying with the LIN

specification 2.0, 2.1, and SAEJ2602-2. There are two completely independent and sepa-

rated LIN transceivers integrated in one package (only the GND pins GND1 and GND2 are

internally connected). Each of them interfaces with the LIN protocol handler and the physi-

cal layer.

The two LIN transceivers are nearly identical, the only difference is an additional WAKE

input and an INH output at transceiver 2.

The device is designed to handle the low-speed data communication in vehicles, for exam-

ple, in convenience electronics. Improved slope control at the LIN driver ensures secure

data communication up to 20Kbaud. Sleep mode guarantees minimal current consumption

for each transceiver even in the case of a floating bus line or a short-circuit on the LIN bus

to GND. The Atmel ATA6670 features advanced EMI and ESD performance.

Atmel ATA6670

Dual LIN Transceiver

DATASHEET

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