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ISO7521CDWR The Texas Instruments ISO7521CDWR is a 2-channel digital isolator providing 4243Vrms isolation. It operates at up to 1Mbps with a wide temperature range.
Mfr Part #:

ISO7521CDWR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments ISO7521CDWR is a 2-channel digital isolator providing 4243Vrms isolation. It operates at up to 1Mbps with a wide temperature range.
✓ Total Stock: 9,306 pcs
$ Price Range: $3.97

ISO7521CDWR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
4,248 pcs
On Request
4248 pcs On Request 1 On Request On Request 16+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
58 pcs
On Request
58 pcs On Request 1 On Request On Request On Request 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.

ISO7521CDWR 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
Technology
Type
Voltage
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ISO7521CDWR Description

Short technical summary and product information.

The Texas Instruments ISO7521CDWR is a general-purpose digital isolator designed for galvanic isolation. It offers two unidirectional channels with an isolation voltage rating of 4243Vrms.

 

Key electrical specifications include a maximum data rate of 1Mbps and a propagation delay of 14ns. The device features a common-mode transient immunity of 25kV/µs and operates from 3.3V or 5V supplies. It supports level translation between 3.3V and 5.0V logic levels.

 

This isolator is housed in a 16-SOIC package suitable for surface mounting. The operating temperature range is -40°C to 105°C. Safety and regulatory approvals include VDE, UL, CSA, TUV, and CQC certifications.

 

Applications for the ISO7521CDWR include opto-coupler replacement in industrial field-buses like ProfiBus and ModBus, servo control interfaces, motor control, power supplies, and battery packs.

ISO7521CDWR Quick Information

Product Type: Digital Isolator
Canonical Name: ISO7521CDWR 2-Channel Digital Isolator
Subcategory: Digital Isolator

ISO7521CDWR Compliance

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

ISO7521CDWR Estimated Pricing

Qty Low High
1+ $3.97 $3.97

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

ISO7521CDWR Features

  • Provides 4243Vrms galvanic isolation.
  • Features two unidirectional isolation channels.
  • Operates at data rates up to 1Mbps.
  • Wide -40°C to 105°C operating temperature.
  • Surface mount 16-SOIC package.

ISO7521CDWR Applications

  • Ideal for opto-coupler replacement.
  • Used in industrial field-bus systems.
  • Suitable for servo control interfaces.
  • Applicable to motor control circuits.
  • Designed for power supplies and battery packs.

ISO7521CDWR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the isolation voltage rating for the ISO7521CDWR?

The ISO7521CDWR provides 4243Vrms isolation.

What is the maximum data rate for this digital isolator?

The highest signaling rate for the ISO7521CDWR is 1Mbps.

How many channels does the ISO7521CDWR have?

This digital isolator has 2 channels.

What is the operating temperature range of the ISO7521CDWR?

The ISO7521CDWR operates from -40°C to 105°C.

What package type is the ISO7521CDWR available in?

The ISO7521CDWR is available in a 16-SOIC package.

Is the ISO7521CDWR RoHS compliant?

The ISO7521CDWR is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the ISO7521CDWR?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

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