ISO3080 datasheet(3/19 Pages) TI

3 / 19 page

ISO3080, ISO3086

ISO3082, ISO3088

www.ti.com

SLOS581C – MAY 2008 – REVISED OCTOBER 2009

DRIVER ELECTRICAL CHARACTERISTICS

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IO = 0 mA, no load

4.3

VCC

RL = 54 Ω, See Figure 1

1.5

2.3

Differential output voltage

| VOD |

magnitude

RL = 100 Ω (RS-422), See Figure 1

2.3

Vtest from –7 V to +12 V, See Figure 2

1.5

Change in magnitude of the

–0.2

0.2

Δ|VOD|

See Figure 1 and Figure 2

differential output voltage

Steady-state common-mode

2.6

VOC(SS)

output voltage

See Figure 3

Change in steady-state

–0.1

0.1

ΔVOC(SS)

common-mode output voltage

Peak-to-peak common-mode

0.5

VOC(pp)

See Figure 3

output voltage

Input current

D, DE, VI at 0 V or VCC1

–10

μA

ISO3082

See receiver input current

ISO3088

VY or VZ = 12 V,

High-impedance state output

VCC = 0 V or 5 V,

IOZ

current

DE = 0 V

ISO3080

Other input

μA

ISO3086

at 0 V

VY or VZ = –7 V.

VCC = 0 V or 5 V,

–1

DE = 0 V

VA or VB at –7 V

Other input

IOS

Short-circuit output current

–200

200

at 0 V

VA or VB at 12 V

CMTI

Common-mode transient immunity VI = VCC1 or 0 V, See Figure 12

kV/

μs

DRIVER SWITCHING CHARACTERISTICS

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ISO3080/82

0.7

1.3

tPLH,

Propagation delay

tPHL

ISO3086/88

ISO3080/82

200

PWD(1)

Pulse skew (|tPHL – tPLH|)

See Figure 4

ISO3086/88

7.5

ISO3080/82

0.5

0.9

1.5

μs

tr, tf

Differential output signal rise and fall time

ISO3086/88

Propagation delay,

50% Vo

2.5

ISO3080/82

μs

tPZH,

high-impedance-to-high-level ouput

90% Vo

1.8

tPZL

Propagation delay,

See Figure 5

ISO3086/88

high-impendance-to-low-level output

and Figure 6,

Propagation delay,

ISO3080/82

225

DE at 0 V

tPHZ,

high-level-to-high-impedance output

tPLZ

Propagaitin delya, low-level to

ISO3086/88

high-impedance output

(1)

Also known as pulse skew

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