ISO7520CDWR datasheet(7/15 Pages) TI

7 / 15 page

ISO7520

ISO7521

www.ti.com

SLLSE39 – JUNE 2010

ELECTRICAL CHARACTERISTICS

VCC1 and VCC2 at 3.3 V ± 5%, TA = –40°C to 105°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IOH = –4 mA; See Figure 1

VCC –0.4

VOH

High-level output voltage

IOH = –20 µA; See Figure 1

VCC –0.1

3.3

IOL = 4 mA; See Figure 1

0.2

0.4

VOL

Low-level output voltage

IOL = 20 µA; See Figure 1

0.1

VI(HYS)

Input threshold voltage hysteresis

400

IIH

High-level input current

µA

INx at 0 V or VCC

IIL

Low-level input current

–10

µA

CMTI

Common-mode transient immunity

VI = VCC or 0 V; See Figure 3

kV/µs

SUPPLY CURRENT (All inputs switching with square wave clock signal for dynamic ICC measurement)

ISO7520

ICC1

Supply current for VCC1

DC to 1 Mbps VI = VCC or 0 V, 15 pF load

0.2

0.7

ICC2

Supply current for VCC2

DC to 1 Mbps VI = VCC or 0 V, 15 pF load

4.5

ISO7521

ICC1

Supply current for VCC1

DC to 1 Mbps VI = VCC or 0 V, 15 pF load

1.5

3.5

ICC2

Supply current for VCC2

DC to 1 Mbps VI = VCC or 0 V, 15 pF load

1.5

3.5

SWITCHING CHARACTERISTICS

VCC1 and VCC2 at 3.3 V ± 5%, TA = –40°C to 105°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH, tPHL

Propagation delay time

See Figure 1

PWD(1)

Pulse width distortion |tPHL – tPLH|

tsk(pp)

Part-to-part skew time

tsk(o)

Channel-to-channel output skew time

5.5

Output signal rise time

See Figure 1

Output signal fall time

tfs

Fail-safe output delay time from input power loss

See Figure 2

(1)

Also known as pulse skew.

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