ISO7721DAlternatives & Equivalent Parts
About ISO7721D
ISO7721D is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | ISO7721DSource | ISO7721DR | ISO1541QDRQ1 | TPS23861PWR | ISO7721DWV | ISO7721BDW | ISO7721BDWR |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 28 | 8 | 16 | 16 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $0.4223 | $0.2291 | $2.1660 | $1.0730 | $0.5467 | — | $1.2000 |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Date Of Intro | 2016-11-19 | 2016-11-19 | 2016-12-10 | — | — | 2019-04-27 | 2019-04-27 |
| YTEOL | 0 | 15 | 15 | 15 | 0 | 0 | 15 |
| Interface IC Type | DIGITAL ISOLATOR | DIGITAL ISOLATOR | INTERFACE CIRCUIT | — | DIGITAL ISOLATOR | DIGITAL ISOLATOR | DIGITAL ISOLATOR |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G28 | R-PDSO-G8 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | e4 | e4 |
| Number of Channels | 2 | 2 | 2 | — | 2 | 2 | 2 |
| Number of Functions | 1 | 1 | 1 | — | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | — | TSSOP28,.25 | SOP8,.4 | SOP16,.4 | SOP16,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 3.6 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 2.25 V | 2.25 V | 3 V | 3 V | 2.25 V | 2.25 V | 2.25 V |
| Supply Voltage-Nom | 3.3 V | 2.5 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 2.5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | — | BICMOS | CMOS | CMOS | CMOS | — |
| Temperature Grade | MILITARY | MILITARY | AUTOMOTIVE | — | MILITARY | MILITARY | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 0.65 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| ## ISO7721D Alternates Showing results | Image | — | — | — | — | — | — |
| ## ISO7721DR Alternates Showing results | — | Image | — | — | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — | — |
| ## ISO1541QDRQ1 Alternates Showing results | — | — | Image | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | PSE CONTROLLER | — | — | — |
| ## ISO7721BDW Alternates Showing results | — | — | — | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for ISO7721D is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating ISO7721D replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for ISO7721DFAQ
What is equivalent to ISO7721D?
Known equivalents for ISO7721D include ISO7721DR, ISO1541QDRQ1, TPS23861PWR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ISO7721D?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify ISO7721D alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.