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ISO7721FD The Texas Instruments ISO7721FD is a general-purpose digital isolator offering 3000Vrms isolation and 2 channels. It is designed for surface mount applications in an 8-SOIC package.
Mfr Part #:

ISO7721FD

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments ISO7721FD is a general-purpose digital isolator offering 3000Vrms isolation and 2 channels. It is designed for surface mount applications in an 8-SOIC package.
✓ Total Stock: 56,149 pcs
$ Price Range: $4.30

ISO7721FD Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
45,200 pcs
On Request
45200 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
10,086 pcs
On Request
10086 pcs On Request 1 On Request On Request 22+ On Request On Request
Seba Components ✓
Non-Authorised Inventory information
497 pcs
On Request
497 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
366 pcs
On Request
366 pcs On Request 1 On Request On Request 24+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ISO7721FD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Common Mode Transient Immunity (Min)
Data Rate
Inputs
Isolated Power
Lead Spacing
Mounting Type
Number of Channels
Operating Temperature
Propagation Delay tpLH
Pulse Width Distortion (Max)
Rise
Supplier Device Package
Supplier Package
Technology
Type
Voltage
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ISO7721FD Description

Short technical summary and product information.

The ISO7721FD from Texas Instruments is a digital isolator designed for robust signal isolation in various electronic systems. It provides 3000Vrms of isolation, ensuring reliable operation in noisy environments.

 

This device features two unidirectional channels and supports a data rate of up to 100Mbps. Its capacitive coupling technology ensures high common-mode transient immunity of 85kV/µs, making it suitable for demanding applications. The operating temperature range is from -55°C to 125°C.

 

Packaged in an 8-SOIC (0.154", 3.90mm Width) format, the ISO7721FD is designed for surface mounting. Its typical propagation delay is 16ns, with a maximum pulse width distortion of 4.9ns. The part is specified as RoHS3 Compliant, MSL 1, and REACH Unaffected, though these compliance statuses are unverified.

 

This digital isolator is ideal for applications requiring high-speed data transmission across isolation barriers, such as in industrial control systems, power supplies, and motor drives.

ISO7721FD Quick Information

Product Type: Digital Isolator
Canonical Name: ISO7721FD Digital Isolator

ISO7721FD Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ISO7721FD Estimated Pricing

Qty Low High
1+ $4.30 $4.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

ISO7721FD Features

  • Provides 3000Vrms of isolation.
  • Features two unidirectional channels.
  • Supports 100Mbps data rate.
  • High CMTI of 85kV/µs.
  • Operates from -55°C to 125°C.

ISO7721FD Applications

  • Ideal for industrial control systems.
  • Suitable for power supply applications.
  • Used in motor drive systems.
  • Ensures reliable signal isolation.

ISO7721FD FAQs

6 frequently asked questions generated from this part’s specifications.
What is the isolation voltage for the ISO7721FD?

The ISO7721FD provides 3000Vrms of isolation voltage.

How many channels does the ISO7721FD have?

The ISO7721FD has 2 channels.

What is the maximum data rate for the ISO7721FD?

The maximum data rate for the ISO7721FD is 100Mbps.

What is the operating temperature range of the ISO7721FD?

The ISO7721FD operates from -55°C to 125°C.

What package type is the ISO7721FD available in?

The ISO7721FD is available in an 8-SOIC package.

What is the mounting type for the ISO7721FD?

The ISO7721FD is a surface mount device.

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