Rainbow-electronics ATA6664 Uživatelský manuál

Features• Operating Range from 5V to 27V• Baud Rate up to 20Kbaud• Improved Slew Rate Control According to LIN Specification 2.0, 2.1 and SAEJ2602-2•

109146E–AUTO–03/11Atmel ATA6663/ATA66644. Absolute Maximum RatingsStresses beyond those listed under “Absolute Maximum Ratings” may cause permanent da

119146E–AUTO–03/11Atmel ATA6663/ATA66646. Electrical Characteristics5V < VS < 27V, Tj = –40°C to +150°CNo. Parameters Test Conditions Pin Symbol

129146E–AUTO–03/11Atmel ATA6663/ATA66645 INH Output Pin5.1 High-level voltageNormal or fail-safe modeIINH = –15mA8VINHHVS – 0.75VSVA5.2Switch-on resis

139146E–AUTO–03/11Atmel ATA6663/ATA66647.12Leakage current at loss of battery; node has to substain the current that can flow under this condition; bu

149146E–AUTO–03/11Atmel ATA6663/ATA666410LIN Bus Driver AC Parameter with Different Bus LoadsLoad 1 (small): 1nF, 1kΩ; Load 2 (large): 10nF, 500Ω ; RR

159146E–AUTO–03/11Atmel ATA6663/ATA6664Figure 6-1. Definition of Bus Timing Parameter VS(Transceiver supplyof transmitting node)TXD(Input to transmitt

169146E–AUTO–03/11Atmel ATA6663/ATA6664Figure 6-2. Application Circuit VSVSINH8EN2RXD12V5VVBAT5 kΩ1k100 nFAtmel ATA6663/ATA66642.7 kΩ10 kΩ1Short-circu

179146E–AUTO–03/11Atmel ATA6663/ATA66648. Package Information Figure 8-1. SO8 7. Ordering InformationExtended Type Number Package RemarksATA6663-FAQW

189146E–AUTO–03/11Atmel ATA6663/ATA6664Figure 8-2. DFN8 TITLEDRAWING NO.REV. Package Drawing Contact: [email protected]

199146E–AUTO–03/11Atmel ATA6663/ATA66649. Revision HistoryPlease note that the following page numbers referred to in this section refer to the specifi

29146E–AUTO–03/11Atmel ATA6663/ATA6664Figure 1-1. Block Diagram 2. Pin ConfigurationFigure 2-1. Pinning SO8, DFN8 VSGND56LIN714RXDTXDWAKEEN32 8INHShor

Atmel Corporation2325 Orchard ParkwaySan Jose, CA 95131USATel: (+1)(408) 441-0311Fax: (+1)(408) 487-2600Atmel Asia LimitedUnit 01-5 & 16, 19/FBEA

39146E–AUTO–03/11Atmel ATA6663/ATA66643. Functional Description3.1 Physical Layer CompatibilitySince the LIN physical layer is independent from higher

49146E–AUTO–03/11Atmel ATA6663/ATA66643.7 Output Pin (RXD)This pin forwards information on the state of the LIN bus to the microcontroller. LIN high(r

59146E–AUTO–03/11Atmel ATA6663/ATA6664The internal termination between pin LIN and pin VS is disabled. Only a weak pull-up current (typical 10 µA) bet

69146E–AUTO–03/11Atmel ATA6663/ATA66643.12 Remote Wake-up via Dominant Bus StateA voltage lower than the LIN pre-wake detection VLINL at pin LIN activ

79146E–AUTO–03/11Atmel ATA6663/ATA6664Figure 3-3. Floating LIN Bus During Sleep Mode If the Atmel® ATA6663/ATA6664 is in sleep mode and the voltage le

89146E–AUTO–03/11Atmel ATA6663/ATA66643.13 Local Wake-up via Pin WAKEA falling edge at pin WAKE, followed by a low level maintained for a certain time

99146E–AUTO–03/11Atmel ATA6663/ATA66643.15 Fail-safe Features• During a short-circuit at LIN to VBAT, the output limits the output current to IBUS_LIM