ISO7840 datasheet(8/37 Pages) TI2

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5.9 Electrical Characteristics—5V Supply

VCC1 = VCC2 = 5V ±10% (over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

IOH = –4mA; see Figure 6-1

VCCO (1) – 0.4 VCCO (1) – 0.2

VOL

Low-level output voltage

IOL = 4mA; 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 EN2

μA

IIL

Low-level input current

VIL = 0V at INx or EN2

–10

μA

CMTI

Common-mode transient

immunity

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

6-4

100

kV/μs

Input capacitance

VI = VCC/2 + 0.4 × sin (2πft), f = 1MHz, VCC =

(1)

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

5.10 Supply Characteristics—5V Supply

VCC1 = VCC2 = 5V ±10% (over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

SUPPLY

CURRENT

MIN

TYP

MAX

UNIT

Supply current

Disable

EN2 = 0V, VI = 0V (ISO7840F), VI = VCCI

(1) (ISO7840)

ICC1

1.3

ICC2

0.4

0.6

EN2 = 0V, VI = VCCI (1) (ISO7840F), VI =

0V (ISO7840) EN2 = 0V

ICC1

8.5

ICC2

0.4

0.6

DC signal

VI = 0V (ISO7840F), VI = VCCI (1)

(ISO7840)

ICC1

1.3

ICC2

2.2

3.1

VI = VCCI (1) (ISO7840F), VI = 0V

(ISO7840)

ICC1

5.9

8.6

ICC2

2.5

3.3

All channels switching with

square wave clock input;

CL = 15pF

1Mbps

ICC1

3.6

5.3

ICC2

2.6

3.7

10Mbps

ICC1

3.8

5.4

ICC2

4.5

5.9

100Mbps

DW package

ICC1

5.1

5.9

ICC2

23.8

27.4

DWW package

ICC1

5.1

5.9

ICC2

23.8

28.5

(1)

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

ISO7840, ISO7840F

SLLSEN2C – JULY 2015 – REVISED JULY 2025

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