ISO7421EDRIn StockTexas Instruments
ISO7421EDR is a 2-channel digital isolator from Texas Instruments with up to 100 Mbps data rate and 4 kVrms isolation voltage. Features robust CMOS signal isolation for industrial and medical applications. From $2.17 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- ISO7421EDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1687(MOQ 86)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2-channel bidirectional digital isolation up to 4 kVrms
- High-speed data transmission up to 100 Mbps
- Operates at 3.3V and 5V supply voltages
- Low power consumption with CMOS technology
- Available in compact 8-pin SOIC package
Applications
The ISO7421EDR is widely used in industrial automation for isolating fieldbus interfaces such as RS-485 and CAN, protecting microcontrollers from high-voltage transients. It is also employed in medical equipment to provide patient isolation and in power converters for gate driver signal isolation. Additionally, it suits data acquisition systems and PLC designs requiring reliable signal integrity across isolation barriers.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ALSO OPERATES AT 5V NOM |
| Interface IC Type | DIGITAL ISOLATOR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 2 |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | IEC 60950-1; IEC 60601-1 |
| Supply Voltage-Max | 5V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ISO7421EDR:
Frequently Asked Questions
What is the maximum data rate of the ISO7421EDR?
The ISO7421EDR supports a maximum data rate of 100 Mbps, making it suitable for high-speed digital isolation in industrial and communication applications where signal integrity is critical.
What isolation voltage does the ISO7421EDR provide?
The ISO7421EDR provides 4 kVrms continuous isolation voltage, meeting IEC 60950 and UL 1577 standards, which ensures reliable protection in medical devices, industrial equipment, and high-voltage power systems.
What supply voltages are compatible with the ISO7421EDR?
The ISO7421EDR operates with supply voltages of 3.3V or 5V on either side of the isolation barrier, offering flexibility for mixed-voltage designs. This dual-voltage support simplifies integration into both legacy 5V and modern 3.3V systems.
What package does the ISO7421EDR come in?
The ISO7421EDR is available in an 8-pin narrow Small Outline IC (SOIC) package, designated as R-PDSO-G8. This compact footprint is ideal for space-constrained PCB designs in industrial and consumer electronics.
What are typical applications for the ISO7421EDR?
Typical applications include RS-485 and CAN bus isolation in industrial automation, patient isolation in medical instruments, gate driver signal isolation in power converters, and general-purpose digital signal isolation in PLCs and data acquisition systems.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 86+ | $2.3450 | $201.67 |
| 111+ | $2.2568 | $250.50 |
| 139+ | $2.1687 | $301.45 |
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