Rainbow-electronics ATA6625 Manual do Utilizador descarregar pdf (Página 14)

4957E–AUTO–10/07

ATA6623/ATA6625

8. Electrical Characteristics

5V < V

< 27V, –40°C < T

< 150°C; unless otherwise specified all values refer to GND pins.

No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*

1 VS Pin

1.1

Nominal DC voltage

range

VS V

513.527 VA

1.2

Supply current in Sleep

mode

Sleep mode

LIN

> V

– 0.5V

< 14V (T

= 25°C)

VS I

VSsleep

31014µAA

Sleep mode

LIN

> V

– 0.5V

< 14V (T

= 125°C)

VSsleep

51116µAA

1.3

Supply current in Silent

mode

Bus recessive

< 14V (T

= 25°C)

Without load at VCC

VSsi

47 57 67 µA A

Bus recessive

< 14V (T

= 125°C)

Without load at VCC

VSsi

56 66 76 µA A

1.4

Supply current in Normal

mode

Bus recessive

< 14V

Without load at VCC

VS I

VSrec

0.3 0.8 mA A

1.5

Supply current in Normal

mode

Bus dominant

< 14V

load current 50 mA

VS I

VSdom

50 53 mA A

1.6

undervoltage

threshold

VS V

Sth

4.0 4.5 5 V A

1.7

VS undervoltage

threshold hysteresis

VS V

Sth_hys

0.2 V A

2 RXD Output Pin

2.1 Low level input current

Normal mode

LIN

=0V

RXD

=0.4V

RXD I

RXD

1.3 2.5 8 mA A

2.2 Low level output voltage I

RXD

= 1 mA RXD V

RXDL

0.4 V A

2.3 Internal resistor to V

RXD R

RXD

357kΩ A

3 TXD Input Pin

3.1 Low level voltage input TXD V

TXDL

–0.3 +0.8 V A

3.2 High level voltage input TXD V

TXDH

0.3V

3.3 Pull-up resistor V

TXD

=0V TXD R

TXD

125 250 400 kΩ A

3.4

High level leakage

current

TXD

=5V TXD I

TXD

–3 +3 µA A

4EN Input Pin

4.1 Low level voltage input EN V

ENL

–0.3 +0.8 V A

4.2 High level voltage input EN V

ENH

0.3V

4.3 Pull-down resistor V

= 5V EN R

50 125 200 kΩ A

4.4 Low level input current V

= 0V EN I

–3 +3 µA A

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

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