ISO7240CF datasheet(8/16 Pages) TI

8 / 16 page

VCM

OUT

GND1

NOTEB

orV

C=0.1 F±1%

GND2

Pass-failcriteria:

Outputmust

remainstable

DEVICE INFORMATION

PACKAGE CHARACTERISTICS

DEVICE I/O SCHEMATICS

1 M

VCC2

500 W

VCC2

OUT

CC2

OUTPUT

CC1

1 M

CC1

500 W

INPUT

DISABLE

CTRL

1 M

VCC2

500 W

CC 2

ISO7240CF

SLLS869B – SEPTEMBER 2007 – REVISED APRIL 2008 ................................................................................................................................................ www.ti.com

PARAMETER MEASUREMENT INFORMATION (continued)

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

≤ 50 kHz, 50% duty cycle, tr ≤ 3

ns, tf ≤ 3 ns, ZO = 50Ω.

CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.

Figure 4. Common-Mode Transient Immunity Test Circuit

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

L(I01)

Minimum air gap (Clearance)

Shortest terminal-to-terminal distance through air

7.7

Minimum external tracking

Shortest terminal-to-terminal distance across the

L(I02)

8.1

(Creepage)

package surface

Minimum Internal Gap (Internal

Distance through the insulation

0.008

Clearance)

Input to output, VIO = 500 V, all pins on each side of the

barrier tied together creating a two-terminal device,

>1012

Ω

RIO

Isolation resistance

TA < 100°C

Input to output, VIO = 500 V, 100°C ≤ TA ≤ TA max

>1011

Ω

CIO

Barrier capacitance Input to output

VI = 0.4 sin (4E6πt)

Input capacitance to ground

VI = 0.4 sin (4E6πt)

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