SN65HVD72DR
Texas Instruments
Needs validationlow risk
A strong functional alternative with matching package, voltage, and speed. Pinout and ESD rating require review.
Best Alternatives to TP8485E-SR
Find and compare alternatives for the 3PEAK TP8485E-SR, a 3V-5.5V RS-485 transceiver. This analysis covers functional alternatives and potential upgrades from manufacturers like Texas Instruments and Chipanalog.
AI replacement insight
Electrical risklow
Candidates are well-matched on key electricals. Higher speed of CA-IF4820HS may need EMI check.
Package risklow
Package is identical. Pinout verification is mandatory but low risk for this standard part type.
Firmware risklow
These are hardware transceivers with no firmware, so no firmware risk is involved.
Can it be replaced directly?
Direct replacement for TP8485E-SR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
SN65HVD72DR offers a close parametric match, while CA-IF4820HS provides a clear upgrade path.
Main risk
The primary risk is pinout mismatch, which could damage the device or PCB. Secondary risks include subtle differences in receiver characteristics or ESD performance.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | TP8485E-SR | SN65HVD72DR | CA-IF4820HS | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 | SOIC8 | SOIC-8 / SOIC8 — Same package and pin count.; CA-IF4820HS: Same package and pin count. | |
| Voltage | 3V to 5.5V | 3.3V nominal | 3V to 5.5V | 3.3V nominal / 3V to 5.5V — Candidate operates within target's supply range.; CA-IF4820HS: Supply voltage ranges match. | |
| Interface | 250 kbps | 250 kbps | 20 Mbps | 250 kbps / 20 Mbps — Data rates are identical.; CA-IF4820HS: Candidate is much faster; check for EMI implications. | |
| Temperature | -40°C to 125°C | -40°C to 125°C | - | -40°C to 125°C — Operating temperature ranges match. | |
| Application | ±18kV HBM ESD | ±15kV HBM ESD | ±30kV HBM ESD | ±15kV HBM ESD / ±30kV HBM ESD — Candidate has slightly lower ESD protection.; CA-IF4820HS: Candidate offers superior ESD protection. | |
| Pinout | Standard RS-485 | Not verified | Not verified | Not verified — Pinout must be verified from datasheet.; CA-IF4820HS: Pinout must be verified from datasheet. |
Application & sourcing insights
Questions & answers
Verified drop-in options for TP8485E-SR are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.