4

Electrical characteristics

Table 8. Receiver: over recommended operating conditions (unless otherwise specified. Please, see

"Operating conditions" table)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Receiver/DC

VIT+

Positive-going receiver

differential input voltage

threshold

(1)

-60

-20

mV

VIT-

Negative-going receiver

differential input voltage

threshold

-200

-130

(1)

VHYS

Receiver differential input

voltage threshold

hysteresis (VIT+ - VIT- )(1)

40

70

VOH

Receiver high-level

output voltage

VL = 1.65 V, IOH = - 2 mA

1.25

1.45

V

VL = 3 V, IOH = - 2 mA

2.75

2.9

VOL

Receiver low-level output

voltage

VL = 1.65 V, IOL = 2 mA

0.2

0.45

VL = 3 V, IOL = 2 mA

0.1

0.25

COD

Differential output

capacitance

15

pF

IOZ

Receiver output high-

impedance current

VO = 0 V or VL, nRE at VL

-1

1

µA

Rin

Receiver input

impedance

-7 V ≤ Vincm ≤ +12 V

-40 °C ≤ Temp ≤ 105 °C

96 (2)

kΩ

II

Receiver input current

(disabled driver)

1V65 < VL < 3.3 V, VCC = 3.3 V

85(2)

µA

VI = 12 V, -40 °C ≤ Temp ≤ 105 °

125(2)

VI = -7 V, -40 °C ≤ Temp ≤ 105 °

-100(2)

Receiver / switching characteristics, SLR = ‘X’

tr, tf

Receiver output rise/fall

time

CL=15 pF

5

15

ns

tPHL, tPLH

Receiver propagation

delay time

15

25

60

tSK(P)

Receiver pulse skew, |

tPHL – tPLH|

15

tPLZ, tPHZ

Receiver disable time

12

20

tPLZ, tPZH, tPZL,

tPZH

Receiver enable time

Driver enabled CL=15 pF with 1 kΩ

15

80

Driver disabled CL=15 pF with

1 kΩ

2

8

µs

1. Under any specific conditions, VIT+, is specified to be at least VHYS higher than VIT-

2. Guaranteed by design simulation in temperature.

STR485

Electrical characteristics

DS12713 - Rev 1

page 8/24