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ISO7131CC, ISO7140CC, ISO7140FCC, ISO7141CC, ISO7141FCC

SLLSE83F – APRIL 2013 – REVISED JANUARY 2015

ISO71xxCC 4242-VPK Small-Footprint Low-Power Triple and Quad Channels Digital

Isolators

1 Features

3 Description

ISO7131, ISO7140, and ISO7141 devices provide

1

•

Maximum Signaling Rate: 50 Mbps (With 5-V

galvanic isolation up to 2500 VRMS for 1 minute per

Supplies)

UL and 4242 VPK per VDE. ISO7131 has three

•

Robust Design With Integrated Noise Filter

channels with two forward and one reverse-direction

•

Default Output Low Option (Suffix F)

channels. ISO7140 and ISO7141 are quad-channel

isolators;

ISO7140

has

four

forward

channels,

•

Low Power Consumption, Typical ICC per Channel

ISO7141 has three forward and one reverse-direction

(With 3.3-V Supplies):

channels. These devices are capable of 50-Mbps

–

ISO7131: 1.5 mA at 1 Mbps,

maximum data rate with 5-V supplies and 40-Mbps

2.6 mA at 25 Mbps

maximum data rate with 3.3-V or 2.7-V supplies, with

integrated filters on the inputs for noise-prone

–

ISO7140: 1 mA at 1 Mbps,

applications. The suffix F indicates that default output

2.3 mA at 25 Mbps

state is low; otherwise, the default output state is high

–

ISO7141: 1.3 mA at 1 Mbps,

(see Table 3).

2.6 mA at 25 Mbps

Each isolation channel has a logic input and output

•

Low Propagation Delay: 23-ns Typical

buffer separated by a silicon dioxide (SiO2) insulation

(3.3-V Supplies)

barrier. Used with isolated power supplies, these

•

Wide Temperature Range: –40°C to 125°C

devices prevent noise currents on a data bus or other

•

50-kV/µs Transient Immunity, Typical

circuits from entering the local ground and interfering

with or damaging sensitive circuitry. The devices

•

Long Life With SiO2 Isolation Barrier

have TTL input thresholds and can operate from 2.7-

•

Operates from 2.7-V, 3.3-V, and 5-V Supply and

V, 3.3-V, and 5-V supplies. All inputs are 5-V tolerant

Logic Levels

when supplied from a 2.7-V or 3.3-V supply.

•

Small QSOP-16 Package

Device Information(1)

•

Safety and Regulatory Approvals

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

2500-VRMS Isolation for 1 minute per UL 1577

ISO7131CC

–

4242-VPK Isolation per DIN V VDE V 0884-10

ISO7140CC

(VDE V 0884-10):2006-12, 566 VPK Working

ISO7140FCC

SSOP (16)

4.90 mm × 3.90 mm

Voltage

ISO7141CC

–

CSA Component Acceptance Notice 5A, IEC

ISO7141FCC

60950-1 and IEC 61010-1 End Equipment

Standards

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

the end of the datasheet.

–

CQC Certification per GB 4943.1-2011

Simplified Schematic

2 Applications

•

General-Purpose Isolation

–

Industrial Fieldbus

–

Profibus

–

Modbus™

–

DeviceNet Data Buses

–

RS-232, RS-485

–

Serial Peripheral Interface

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.