C = 0.1 F ±1%

IN

V

OH

(1)

or V

OL

OUT

V

CC1

+

–

V

CM

V

CC2

C = 0.1 F ±1%

μ

GND2

GND1

S1

+

–

Pass-fail criteria –

output must remain

stable.

C

L

μ

V

O

OUT

NOTE A

CL

IN = V

CC

0 V

fs low

2.7 V

50%

V

CC

V

CC

V

OL

V

OH

S0412-01

V

I

50 W

IN

V

O

Input

Generator

(1)

C

L

(2)

OUT

1.4V

10%

90%

V

I

V

O

t

PLH

t

PHL

1.4V

V

CC1

0V

V

/2

CC

t

r

t

f

V

OH

V

/2

CC

V

OL

ISO7420FCC

www.ti.com

SLLSED3A – JUNE 2013 – REVISED JULY 2013

PARAMETER MEASUREMENT INFORMATION

(1)

The input pulse is supplied by a generator having the following characteristics: PRR

≤ 50 kHz, 50% duty cycle,

needed in actual application.

(2)

Figure 1. Switching Characteristic Test Circuit and Voltage Waveforms

A.

Figure 2. Fail-Safe Output Delay-Time Test Circuit and Voltage Waveforms

(1)

Figure 3. Common-Mode Transient Immunity Test Circuit

Copyright © 2013, Texas Instruments Incorporated

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