ISO7842 datasheet(9/39 Pages) TI2

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5.11 Electrical Characteristics—3.3V Supply

VCC1 = VCC2 = 3.3V ±10% (over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

IOH = –2mA; see Figure 6-1

VCCO (1) – 0.4

VCCO (1) – 0.2

VOL

Low-level output voltage

IOL = 2mA; see Figure 6-1

0.2

0.4

VI(HYS)

Input threshold voltage hysteresis

0.1 × VCCI (1)

IIH

High-level input current

VIH = VCCI (1) at INx or ENx

μA

IIL

Low-level input current

VIL = 0V at INx or ENx

–10

μA

CMTI

Common-mode transient immunity

VI = VCCI (1) or 0V, VCM = 1500V; see Figure

6-4

100

kV/μs

(1)

VCCI = Input-side VCC; VCCO = Output-side VCC.

5.12 Supply Current Characteristics—3.3V Supply

VCC1 = VCC2 = 3.3V ±10% (over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

SUPPLY

CURRENT

MIN

TYP

MAX

UNIT

ISO7842DW AND ISO7842FDW

Supply current

Disable

EN1 = EN2 = 0V, VI = 0V (ISO7842F), VI =

VCCI (1) (ISO7842)

ICC1, ICC2

1.5

EN1 = EN2 = 0V, VI = VCCI (1) (ISO7842F),

VI = 0V (ISO7842)

ICC1, ICC2

3.4

4.8

DC signal

VI = 0V (ISO7842F), VI = VCCI (1)

(ISO7842)

ICC1, ICC2

2.7

VI = VCCI (1) (ISO7842F), VI = 0V

(ISO7842)

ICC1, ICC2

4.4

6.1

All channels switching with

square wave clock input;

CL = 15pF

1Mbps

ICC1, ICC2

3.3

4.5

10Mbps

ICC1, ICC2

5.2

100Mbps

ICC1, ICC2

10.8

12.9

ISO7842DWW and ISO7842FDWW

Supply current

Disable

EN1 = EN2 = 0V, VI = 0V (ISO7842F), VI =

VCCI (1) (ISO7842)

ICC1, ICC2

1.5

EN1 = EN2 = 0V, VI = VCCI (1) (ISO7842F),

VI = 0V (ISO7842)

ICC1, ICC2

3.4

4.8

DC signal

VI = 0V (ISO7842F), VI = VCCI (1)

(ISO7842)

ICC1, ICC2

2.8

VI = VCCI (1) (ISO7842F), VI = 0V

(ISO7842)

ICC1, ICC2

4.4

6.3

All channels switching with

square wave clock input;

CL = 15pF

1Mbps

ICC1, ICC2

3.4

4.7

10Mbps

ICC1, ICC2

4.1

5.5

100Mbps

ICC1, ICC2

13.6

(1)

VCCI = Input-side VCC; VCCO = Output-side VCC.

www.ti.com

ISO7842, ISO7842F

SLLSEJ0I – OCTOBER 2014 – REVISED JULY 2025

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