OUTx

GNDO

GNDI

INx

Isolation

Capacitor

ENx

or

DISABLE

(ISO7240CF-only)

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ISO7240CF, ISO7240C, ISO7240M

ISO7241C, ISO7241M, ISO7242C, ISO7242M

SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015

ISO724x High-Speed, Quad-Channel Digital Isolators

1 Features

3 Description

The ISO7240, ISO7241 and ISO7242 are quad-

1

•

25 and 150-Mbps Signaling Rate Options

channel

digital

isolators

with

multiple

channel

–

Low Channel-to-Channel Output Skew;

configurations and output enable functions. These

1 ns Max

devices have logic input and output buffers separated

–

Low Pulse-Width Distortion (PWD);

conjunction with isolated power supplies, these

2 ns Max

devices block high voltage, isolate grounds, and

–

Low Jitter Content; 1 ns Typ at 150 Mbps

prevent noise currents from entering the local ground

•

Selectable Default Output (ISO7240CF)

and interfering with or damaging sensitive circuitry.

•

> 25-Year Life at Rated Working Voltage

The ISO7240 has all four channels in the same

(See Application Note SLLA197 and Figure 16)

direction while the ISO7241 has three channels in the

same direction and one channel in opposition. The

•

4 kV ESD Protection

ISO7242 has two channels in each direction.

•

Operates With 3.3-V or 5-V Supplies

•

High Electromagnetic Immunity

Device Information(1)

(See Application Report SLLA181)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

–40°C to 125°C Operating Temperature Range

ISO7240CF

•

Safety and Regulatory Approvals:

ISO7240C

–

ISO7240M

V 0884-10 (VDE V 0884-10):2006-12

ISO7241C

SOIC (16)

10.30 mm x 7.50 mm

–

ISO7241M

–

CSA Component Acceptance Notice #5A and

ISO7242C

IEC 60950-1 End Equipment Standard

ISO7242M

(1) For all available packages, see the orderable addendum at

2 Applications

the end of the datasheet.

•

Industrial Fieldbus

•

Computer Peripheral Interface

•

Servo Control Interface

•

Data Acquisition

Simplified Schematic

(1)

(2)

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.