ATA6624 Ver la hoja de datos (PDF) - Atmel Corporation

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ATA6624

LIN Bus Transceiver with 3.3V (5V) Regulator and Watchdog

Atmel Corporation 

9. Electrical Characteristics (Continued)

5V < VS < 27V, -40°C < Tj < 150°C, unless otherwise specified. All values refer to GND pins

No. Parameters

Test Conditions

Pin Symbol Min.

Typ.

Max.

Unit

18.11

VCC undervoltage

threshold

Referred to VCC

VS > 5.5V

VCC

VthunN

4.2

4.8

V

18.12

Hysteresis of

undervoltage threshold

Referred to VCC

VS > 5.5V

VCC Vhysthun

250

mV

18.13

Ramp-up time VS > 5.5V CVCC = 2.2 µF

to VCC = 5V

Iload = –5 mA at VCC

VCC

tVCC

130

300

µs

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

Type*

A

A

A

Figure 9-1. Definition of Bus Timing Characteristics

tBit

tBit

tBit

TXD

(Input to transmitting node)

tBus_dom(max)

tBus_rec(min)

VS

(Transceiver supply

of transmitting node)

THRec(max)

THDom(max)

THRec(min)

THDom(min)

RXD

(Output of receiving node1)

trx_pdf(1)

RXD

(Output of receiving node2)

LIN Bus Signal

tBus_dom(min)

trx_pdr(2)

tBus_rec(max)

trx_pdr(1)

Thresholds of

receiving node1

Thresholds of

receiving node2

trx_pdf(2)

24 ATA6622/ATA6624/ATA6626

4986I–AUTO–07/10

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