ISO7840 datasheet(10/38 Pages) TI2

10 / 38 page

ISO7840, ISO7840F

SLLSEN2B – JULY 2015 – REVISED APRIL 2016

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6.11 Electrical Characteristics—3.3-V Supply

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage

IOH = –2 mA; see Figure 11

VCCO – 0.4

VCCO – 0.2

VOL

Low-level output voltage

IOL = 2 mA; see Figure 11

0.2

0.4

VI(HYS)

Input threshold voltage

hysteresis

0.1 × VCCI

IIH

High-level input current

VIH = VCCI at INx or EN2

μA

IIL

Low-level input current

VIL = 0 V at INx or EN2

–10

μA

CMTI

Common-mode transient

immunity

VI = VCCI or 0 V, VCM = 1500 V; see Figure 14

100

kV/μs

(1)

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

6.12 Supply Current Characteristics—3.3-V Supply

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

PARAMETER

TEST CONDITIONS

SUPPLY

CURRENT

MIN

TYP

MAX

UNIT

Supply current

Disable

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

VCCI

(1) (ISO7840)

ICC1

1.3

ICC2

0.4

0.6

EN2 = 0 V, VI = VCCI

(1) (ISO7840F), V

= 0 V (ISO7840)

ICC1

8.5

ICC2

0.4

0.6

DC signal

VI = 0 V (ISO7840F), VI = VCCI

(1)

(ISO7840)

ICC1

1.3

ICC2

2.2

VI = VCCI

(1) (ISO7840F), V

I = 0 V

(ISO7840)

ICC1

5.9

8.6

ICC2

2.4

3.3

All channels switching with

square wave clock input;

CL = 15 pF

1 Mbps

ICC1

3.6

5.3

ICC2

2.5

3.6

10 Mbps

ICC1

3.7

5.3

ICC2

3.9

5.1

100 Mbps

ICC1

4.5

5.8

ICC2

17.7

20.6

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