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ISO7640FM, ISO7641FM

SLLSE89G – SEPTEMBER 2011 – REVISED JANUARY 2015

ISO764xFM Low-Power Quad-Channel Digital Isolators

1 Features

3 Description

ISO7640FM

and

ISO7641FM

provide

galvanic

1

•

Signaling Rate: 150 Mbps

isolation up to 6 KVPK for 1 minute per UL and VDE.

•

Low Power Consumption, Typical ICC per Channel

These devices are also certified up to 5-KVRMS

(3.3-V Supplies):

Reinforced isolation at a working voltage of 400 VRMS

–

ISO7640FM: 2 mA at 25 Mbps

per end equipment standards EN/UL/CSA 60950-1

and 61010-1. ISO7640F and ISO7641F are quad-

–

ISO7641FM: 2.4 mA at 25 Mbps

channel isolators; ISO7640F has four forward and

•

Low Propagation Delay: 7-ns Typical

ISO7641F has three forward and one reverse-

•

Output Defaults to Low-State in Fail-Safe Mode

direction channels. Suffix F indicates that output

defaults to Low-state in fail-safe conditions (see

•

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

Table 4). M-Grade devices are high-speed isolators

•

50-KV/µs Transient Immunity, Typical

capable of 150-Mbps data rate with fast propagation

•

Long Life With SiO2 Isolation Barrier

delays.

•

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

Each isolation channel has a logic input and output

Logic Levels

buffer separated by a silicon dioxide (SiO2) insulation

•

Wide Body SOIC-16 Package

barrier. Used in conjunction with isolated power

supplies, these devices prevent noise currents on a

•

Safety and Regulatory Approvals

data bus or other circuits from entering the local

–

6000 VPK / 4243 VRMS for 1 Minute per UL

ground and interfering with or damaging sensitive

1577

circuitry. The devices have TTL input thresholds and

–

VDE 6000 VPK Transient Overvoltage, 1414

can operate from 2.7-V, 3.3-V, and 5-V supplies. All

VPK Working Voltage per DIN V VDE V 0884-

inputs are 5-V tolerant when supplied from 3.3-V or

2.7-V supplies.

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

–

CSA Component Acceptance Notice 5A, IEC

Device Information(1)

60950-1, IEC 61010-1, and IEC 60601-1 End

PART NUMBER

PACKAGE

BODY SIZE (NOM)

Equipment Standards

ISO7640FM

–

TUV 5 KVRMS Reinforced Insulation per

SOIC (16)

10.30 mm × 7.50 mm

ISO7641FM

EN/UL/CSA 60950-1 and EN/UL/CSA 61010-1

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

–

CQC Reinforced Insulation per GB4943.1-

the end of the data sheet.

2011

Simplified Schematic

2 Applications

•

Optocoupler Replacement in:

–

Industrial Fieldbus

–

Profibus

–

Modbus

–

DeviceNet™ Data Buses

–

Servo Control Interface

–

Motor Control

–

Power Supplies

–

Battery Packs

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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.