ISO7421EDR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ISO7421EDR
Manufacturer

TI
ChipWorker Part#

CW2612208
Category

Interface Isolator, Digital Isolator
Package

SOIC-8
Description

Digital Isolator 2CH 50Mbps 8Pin SOIC T/R
Documentation

Datasheet

ISO7421EDR Global Supplier

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ISO7421EDR Specifications

Attribute	Attribute Value

Part Number	ISO7421EDR
Manufacturer	TI
ChipWorker Part#	CW2612208
Category	Interface Isolator, Digital Isolator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	3.30 V, 5.00 V
Operating Voltage	3V ~ 5.5V
Rise/Fall Time	1.8ns, 1.7ns
Number of Channels	2 Channel
Data Rate	50.0 Mbps
Isolation Voltage	2500 Vrms
Thermal Shutdown	No
Fall Time (Max)	2 ns
Fall Time (Max)	2 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	3V ~ 5.5V
Supply Voltage (Max)	5 V
Supply Voltage (Min)	3.3 V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

Description
ISO742x provide galvanic isolation up to 2500 VRMS for 1 minute per UL and 4242 VPK per VDE. These devices have two isolated channels. Each channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuit from entering the local ground and interfering with or damaging sensitive circuitry. ISO7420 has both channels in the same direction while ISO7421 has the two channels in opposite direction. In case of input power or signal loss, default output is "low" for devices with suffix "F" and "high" for devices without suffix "F". ISO742x have no integrated noise filter and thus have fast propagation delays.
Features
• Signaling Rate > 50 Mbps
• Default Output "High" and "Low" Options
• Low Power Consumption: Typical ICC per Channel (3.3-V Supplies):
– ISO7420: 1.4 mA at 1 Mbps, 2.5 mA at 25 Mbps
– ISO7421: 1.8 mA at 1 Mbps, 2.8 mA at 25 Mbps
• Low Propagation Delay: 7 ns Typical
• Low Pulse Skew: 200 ps Typical
• Wide TA Range Specified: –40°C to 125°C
• 50-KV/μs Transient Immunity, Typical
• Isolation Barrier Life: > 25 Years
• Operates from 3-V to 5.5-V Supply Levels
• 3.3-V and 5-V Level Translation
• Narrow Body SOIC-8 Package
• Safety and Regulatory Approvals:
– 4242 VPK Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1
– 2500 VRMS Isolation for 1 minute per UL 1577
– CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 Standards
– CQC Certification per GB4943.1-2011
Applications
• Opto-Coupler Replacement in:
– Industrial FieldBus
– ProfiBus
– ModBus
– DeviceNet™ Data Buses
– Servo Control Interface
– Motor Control
– Power Supplies
– Battery Packs

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