ATA6663-FAQW-1

ATA6663-FAQW-1 Datasheet


• Operating Range from 5V to 27V<br>• Baud Rate up to 20Kbaud<br>• Improved Slew Rate Control According to LIN Specification and SAEJ2602-2<br>• Fully Compatible with 3.3V and 5V Devices<br>• Atmel ATA6663 TXD Time-out Timer, Atmel ATA6664 No TXD Time-out Timer<br>• Normal and Sleep Mode<br>• Wake-up Capability via LIN Bus 90µs Dominant<br>• External Wake-up via WAKE Pin 35µs Low Level<br>• INH Output to Control an External Voltage Regulator or to Switch the Master Pull-up<br>• Very Low Standby Current During Sleep Mode 10µA<br>• Wake-up Source Recognition<br>• Bus Pin Short-circuit Protected versus GND and Battery<br>• LIN Input Current &lt; 2µA if VBAT Is Disconnected<br>• Overtemperature Protection<br>• High EMC Level<br>• Interference and Damage Protection According to ISO/CD 7637<br>• Fulfills the OEM “Hardware Requirements for LIN in Automotive Applications Rev.1.1”<br>• Packages SO8, DFN8

Part Datasheet
ATA6663-FAQW-1 ATA6663-FAQW-1 ATA6663-FAQW-1 (pdf)
Related Parts Information
ATA6664-TAQY ATA6664-TAQY ATA6664-TAQY
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LIN Transceiver

Atmel ATA6663 Atmel ATA6664

The Atmel ATA6663 is a fully integrated LIN transceiver complying with the LIN specification and SAEJ2602-2. The Atmel ATA6664 is an identical version, the only difference is that the TXD-dominant Time-out function is disabled so the device is able to send a static low signal to the LIN bus. It interfaces the LIN protocol handler and the physical layer. The device is designed to handle the low-speed data communication in vehicles, for example, in convenience electronics. Improved slope control at the LIN driver ensures secure data communication up to 20Kbaud. Sleep Mode guarantees minimal current consumption even in the case of a floating bus line or a short circuit on the LIN bus to GND. The ATA6663/ATA6664 feature advanced EMI and ESD performance.

Figure Block Diagram

RXD 1

Receiver

TXD 4 VS

WAKE 3

TXD time-out
timer only ATA6663

Wake-up timer

Wake-up bus timer Slew rate control

Control unit Sleep mode

Filter
6 LIN

Short-circuit and overtemperature protection
8 INH
5 GND

Pin Configuration

Figure Pinning SO8, DFN8

RXD EN

WAKE TXD
3 SO8 6

INH VS LIN GND

RXD EN

WAKE TXD

DFN8 3x3

INH VS LIN GND

Table Pin 1 2 3 4 5 6 7

Pin Description

Symbol Function

Receive data output open drain

Enables normal mode when the input is open or low, the device is in sleep mode

WAKE High voltage input for local wake-up request. If not needed, connect directly to VS

Transmit data input active low output strong pull-down after a local wake-up request

Ground, heat sink

LIN bus line input/output

Battery supply

Battery-related inhibit output for controlling an external voltage regulator or to switch-off the LIN master pull-up resistor active high after a wake-up request
2 Atmel ATA6663/ATA6664

Atmel ATA6663/ATA6664
Ordering Information

Extended Type Number ATA6663-FAQW ATA6663-TAQY ATA6664-TAQY

Package DFN8 SO8

Package Information

Figure SO8 Package SO 8 Dimensions in mm

Atmel ATA6663/ATA6664

Remarks LIN transceiver, Pb-free, 8k, taped and reeled LIN transceiver, Pb-free, 4k, taped and reeled LIN transceiver, Pb-free, 4k, taped and reeled

Drawing-No. Issue 1;
technical drawings according to DIN specifications

Figure DFN8

PIN 1 ID

Top View D

Side View
technical drawings according to DIN specifications

Dimensions in mm

Partially Plated Surface Bottom View

Z 10:1

COMMON DIMENSIONS

Unit of Measure = mm

Symbol MIN NOM MAX NOTE

Package Drawing Contact Package VDFN_3x3_8L Exposed pad 2.4x1.6
18 Atmel ATA6663/ATA6664

Atmel ATA6663/ATA6664

History
9146F-AUTO-10/11
• Section 6 “Thermal Characteristics DFN8” on page 10 implemented
9146E-AUTO-03/11
• Figure 1-1 “Block Diagram” on page 2 changed
• Section “Fail-safe Features” on page 9 changed
9146D-AUTO-09/10
• Section 7 “Ordering Information” on page 17 changed
• Section 8 “Package Information” on pages 17 to 18 changed
9146C-AUTO-07/10
• Section 6 “Electrical Characteristics” numbers and on page 13 changed
9146B-AUTO-05/10
• Features changed
• Headings and text changed
• Abs.Max.Ratings table row “ESD HBM acc. to STM5.1” changed

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Datasheet ID: ATA6663-FAQW-1 519207