Atmel's new local interface network (LIN) system basis chip, ATA6620, provides superior ESD protection (6 kV) and low current consumption as required in automotive applications. Current consumption can be further reduced by the device's silent mode function that is unavailable in other LIN2.0 devices.
The ATA6620 is optimised for operation up to 40 V and applications in harsh environments. This includes automotive comfort applications such as door modules, seat control or intelligent sensors. The device includes a fully-integrated LIN transceiver and a 5 V voltage regulator. It interfaces the LIN protocol handler and the LIN bus. Improved slope control at the LIN bus ensures secure data communication of up to 20 kBaud with an RC oscillator for the protocol handling.
To minimise EMC problems, the ATA6620 incorporates a controlled slew rate according to the LIN specification 2.0. While the receiver's input filter helps to reduce RF interference.
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