ISO7420FE datasheet(2/19 Pages) TI

2 / 19 page

ISO7420E, ISO7420FE

ISO7421E, ISO7421FE

SLLSE45B – DECEMBER 2010 – REVISED JANUARY 2011

www.ti.com

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

PIN DESCRIPTIONS

I/O

DESCRIPTION

NAME

ISO7420x

ISO7421x

INA

Input, channel A

INB

Input, channel B

GND1

–

Ground connection for VCC1

GND2

–

Ground connection for VCC2

OUTA

Output, channel A

OUTB

Output, channel B

VCC1

–

Power supply, VCC1

VCC2

–

Power supply, VCC2

Table 1. FUNCTION TABLE(1)

OUTPUT

INPUT

OUTPUT

OUTA, OUTB

INPUT

SIDE

INA, INB

ISO7420E /

ISO7420FE /

VCC

ISO7421E

ISO7421FE

Open

H(2)

L(3)

H(2)

L(3)

(1)

PU = Powered up (VCC ≥ 3 V); PD = Powered down (VCC ≤ 2.4 V);

X = Irrelevant; H = High level; L = Low level; Z = High Impedance

(2)

In fail-safe condition, output defaults to high level

(3)

In fail-safe condition, output defaults to low level

AVAILABLE OPTIONS

RATED

INPUT

CHANNEL

MARKED

ORDERING

PRODUCT

PACKAGE

RATED TA

ISOLATION

THRESHOLD

DIRECTION

NUMBER

ISO7420ED (rail)

ISO7420E(1)

SO7420

ISO7420EDR (reel)

Same

ISO7420FED (rail)

ISO7420FE

I7420F

~1.5 V TTL

ISO7420FEDR (reel)

2.5 KVRMS

D-8

(CMOS

–40°C to 125°C

ISO7421ED (rail)

compatible)

ISO7421E(1)

SO7421

ISO7421EDR (reel)

Opposite

ISO7421FED (rail)

ISO7421FE(1)

I7421F

ISO7421FEDR (reel)

(1)

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Product Folder Link(s): ISO7420E, ISO7420FE ISO7421E, ISO7421FE

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