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HomeProductsIsolatorsDigital IsolatorsISO7421DR
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ISO7421DR - Texas Instruments

Manufacturer Part Number
ISO7421DR
Manufacturer
Texas Instruments
Allelco Part Number
32D-ISO7421DR
ECAD Model
Parts Description
DGTL ISO 2500VRMS 2CH GP 8SOIC
Detailed Description
Package
8-SOIC (0.154", 3.90mm Width)
Data sheet
ISO7420, ISO7421.pdf
RoHs Status
ROHS3 Compliant
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Specifications

ISO7421DR Tech Specifications
Texas Instruments - ISO7421DR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - ISO7421DR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 3.15V ~ 3.45V, 4.75V ~ 5.25V  
Voltage - Isolation 2500Vrms  
Type General Purpose  
Technology Capacitive Coupling  
Supplier Device Package 8-SOIC  
Series -  
Rise / Fall Time (Typ) 1ns, 1ns  
Pulse Width Distortion (Max) 3.7ns  
Propagation Delay tpLH / tpHL (Max) 14ns, 14ns  
Package / Case 8-SOIC (0.154", 3.90mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 105°C  
Number of Channels 2  
Mounting Type Surface Mount  
Isolated Power No  
Inputs - Side 1/Side 2 1/1  
Data Rate 1Mbps  
Common Mode Transient Immunity (Min) 25kV/µs  
Channel Type Unidirectional  
Base Product Number ISO7421  

Parts Introduction

Manufacturer Part Number

ISO7421DR

Manufacturer

Texas Instruments

Introduction

Digital Isolator

Product Features and Performance

2 Channels

1ns rise/fall time

1Mbps data rate

2500Vrms isolation voltage

25kV/s common mode transient immunity

7ns maximum pulse width distortion

14ns maximum propagation delay

Product Advantages

Compact 8-SOIC package

Wide -40°C to 105°C operating temperature range

RoHS3 compliant

Key Technical Parameters

Operating voltage: 3.15V to 3.45V, 4.75V to 5.25V

Unidirectional channel type

Capacitive coupling technology

Quality and Safety Features

RoHS3 compliant

2500Vrms isolation voltage for safety

Compatibility

Surface mount 8-SOIC package

Application Areas

Industrial automation

Power supplies

Motor drives

Building automation

Product Lifecycle

Currently in production

No discontinuation or obsolescence plans

Key Reasons to Choose

High-performance digital isolation

Compact and efficient design

Excellent common mode transient immunity

Wide operating temperature range

RoHS3 compliance for environmental responsibility

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments ISO7421DR

Product Attribute ISO7421DR ISO7420ED ISO7420MD ISO7421ED
Part Number ISO7421DR ISO7420ED ISO7420MD ISO7421ED
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width)
Common Mode Transient Immunity (Min) 25kV/µs 25kV/µs 25kV/µs 25kV/µs
Data Rate 1Mbps 50Mbps 1Mbps 50Mbps
Voltage - Isolation 2500Vrms 2500Vrms 2500Vrms 2500Vrms
Pulse Width Distortion (Max) 3.7ns 3ns 3.7ns 3.7ns
Number of Channels 2 2 2 2
Rise / Fall Time (Typ) 1ns, 1ns 1.8ns, 1.7ns 1ns, 1ns 1.8ns, 1.7ns
Propagation Delay tpLH / tpHL (Max) 14ns, 14ns 11ns, 11ns 14ns, 14ns 11ns, 11ns
Voltage - Supply 3.15V ~ 3.45V, 4.75V ~ 5.25V 3V ~ 5.5V 3.15V ~ 3.45V, 4.75V ~ 5.25V 3V ~ 5.5V
Inputs - Side 1/Side 2 1/1 2/0 2/0 1/1
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tube Tube Bulk
Technology Capacitive Coupling Capacitive Coupling Capacitive Coupling Capacitive Coupling
Channel Type Unidirectional Unidirectional Unidirectional Unidirectional
Series - - - -
Isolated Power No No No No
Type General Purpose General Purpose General Purpose General Purpose
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC
Base Product Number ISO7421 ISO7420 ISO7420 ISO7421
Operating Temperature -40°C ~ 105°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C

ISO7421DR Datasheet PDF

Download ISO7421DR pdf datasheets and Texas Instruments documentation for ISO7421DR - Texas Instruments.

HTML Datasheet
ISO7420, ISO7421.pdf

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ISO7421DR Image

ISO7421DR

Texas Instruments
32D-ISO7421DR

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