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HomeProductsIsolatorsDigital IsolatorsISO7740DBQ
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ISO7740DBQ - Texas Instruments

Manufacturer Part Number
ISO7740DBQ
Manufacturer
Texas Instruments
Allelco Part Number
32D-ISO7740DBQ
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
DGTL ISO 5000VRMS 4CH GP 16SSOP
Package
16-SSOP
Data sheet
1.ISO7740DBQ.pdf ...

PCN Design/Specification

ISO7740/ISO7741/ISO7742 06/Aug/2019.pdf

Application Notes

Isolation Glossary.pdf

PCN Assembly/Origin

Mult Devices 11/Jul/2018.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 17171
  • Unit Price: $1.625
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.625 $1.63
10+ $1.39 $13.90
30+ $1.243 $37.29
100+ $1.092 $109.20
500+ $1.024 $512.00
1000+ $0.994 $994.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Payment method
Our certification

Specifications

ISO7740DBQ Tech Specifications
Texas Instruments - ISO7740DBQ technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - ISO7740DBQ

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 2.25V ~ 5.5V  
Voltage - Isolation 5000Vrms  
Type General Purpose  
Technology Capacitive Coupling  
Supplier Device Package 16-SSOP  
Series -  
Rise / Fall Time (Typ) 2.4ns, 2.4ns  
Pulse Width Distortion (Max) 4.9ns  
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns  
Package / Case 16-SSOP (0.154", 3.90mm Width)  
Product Attribute Attribute Value  
Package Tube  
Operating Temperature -55°C ~ 125°C  
Number of Channels 4  
Mounting Type Surface Mount  
Isolated Power No  
Inputs - Side 1/Side 2 4/0  
Data Rate 100Mbps  
Common Mode Transient Immunity (Min) 85kV/µs  
Channel Type Unidirectional  
Base Product Number ISO7740  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

ISO7740DBQ

Manufacturer

Texas Instruments

Introduction

The ISO7740DBQ is a high-speed, capacitive digital isolator with four channels designed for industrial, consumer, and medical applications.

Product Features and Performance

4-channel digital isolator

Capacitive coupling technology

Data rate up to 100Mbps

Common mode transient immunity of 85kV/s

Propagation delay of 16ns (max)

Pulse width distortion of 4.9ns (max)

Wide operating temperature range of -55°C to 125°C

SSOP package with a width of 3.90mm

Product Advantages

High-speed data transmission

Robust common mode transient immunity

Wide temperature range for versatile applications

Small package size for space-constrained designs

Key Technical Parameters

Voltage isolation: 5000Vrms

Voltage supply: 2.25V to 5.5V

Unidirectional channel type

4 inputs on Side 1, 0 inputs on Side 2

Quality and Safety Features

RoHS3 compliant

Designed for industrial, consumer, and medical applications

Compatibility

Surface mount package compatible with standard SMT assembly processes

Application Areas

Industrial automation

Motor control

Instrumentation

Medical equipment

Consumer electronics

Product Lifecycle

The ISO7740DBQ is an active product and no discontinuation is currently planned. Replacement or upgrade options may be available from Texas Instruments.

Key Reasons to Choose

High-speed data transmission capability

Robust common mode transient immunity

Wide operating temperature range

Small package size for space-constrained designs

RoHS3 compliance for use in various applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments ISO7740DBQ

Product Attribute ISO7740DBQR ISO7740FDBQ ISO7740FDBQR ISO7740FQDBQQ1
Part Number ISO7740DBQR ISO7740FDBQ ISO7740FDBQR ISO7740FQDBQQ1
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Isolation - - - -
Data Rate - - - -
Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Channel Type - - - -
Common Mode Transient Immunity (Min) - - - -
Series - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Isolated Power - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Pulse Width Distortion (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Propagation Delay tpLH / tpHL (Max) - - - -
Rise / Fall Time (Typ) - - - -
Voltage - Supply - - - -
Number of Channels - - - -
Inputs - Side 1/Side 2 - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Technology - - - -

ISO7740DBQ Datasheet PDF

Download ISO7740DBQ pdf datasheets and Texas Instruments documentation for ISO7740DBQ - Texas Instruments.

Design Resources
Digital Isolator Design Guide.pdf
HTML Datasheet
ISO7740, ISO7741, ISO7742.pdf
PCN Design/Specification
ISO7740/ISO7741/ISO7742 06/Aug/2019.pdf
Application Notes
Isolation Glossary.pdf
PCN Assembly/Origin
Mult Devices 11/Jul/2018.pdf

Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

Write a Review

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Shipment

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

  1. Use your express account for shipment if you have one.
  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.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ISO7740DBQ Image

ISO7740DBQ

Texas Instruments
32D-ISO7740DBQ

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