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SP3080EEN-L Equivalent & Substitute Parts
Part Overview
The SP3080EEN-L is a full-duplex RS422/RS485 transceiver manufactured by MaxLinear, Inc., housed in a 14-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates within a 4.5V to 5.5V supply range with a 115 kbps data rate and supports 1/1 driver/receiver configuration with 100 mV receiver hysteresis.
Substiute Parts
Key Parameters
| Parameter | SP3080EEN-L |
|---|---|
| Manufacturer | MaxLinear, Inc. |
| Product Status | Obsolete |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 100 mV |
| Data Rate | 115 kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
Substitute Part Grouping Explanation
Substitution for the SP3080EEN-L is determined by the following critical parameters:
- Protocol compatibility: RS422/RS485 full-duplex operation
- Electrical specifications: 4.5V to 5.5V supply voltage, 1/1 driver/receiver configuration
- Package compatibility: 14-SOIC surface mount form factor
- Operating temperature range: Minimum -40°C to 85°C support
- Data rate capability: Minimum 115 kbps support
Substitute parts are grouped into two categories based on receiver hysteresis and data rate performance:
Category A (100 mV Hysteresis, 250 kbps Data Rate): MAX13080 series parts from Analog Devices Inc./Maxim Integrated offer enhanced data rate performance while maintaining the original 100 mV hysteresis specification.
Category B (70 mV Hysteresis, 250 kbps Data Rate): ISL8489 and ISL4489 series parts from Renesas Electronics Corporation provide improved receiver sensitivity with higher data rate capability.
Category C (20 mV Hysteresis, 115 kbps Data Rate): ISL83080 series parts from Renesas Electronics Corporation maintain the original data rate while offering superior receiver sensitivity.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Protocol | Drivers/Receivers | Receiver Hysteresis | Data Rate | Supply Voltage | Operating Temp | Package | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|
| SP3080EEN-L | MaxLinear, Inc. | Obsolete | RS422, RS485 | 1/1 | 100 mV | 115 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | N/A |
| ISL4489EIBZ | Renesas Electronics | Active | RS422, RS485 | 1/1 | 70 mV | 250 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
| ISL83080EIBZ | Renesas Electronics | Active | RS422, RS485 | 1/1 | 20 mV | 115 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
| ISL83080EIBZ-T | Renesas Electronics | Active | RS422, RS485 | 1/1 | 20 mV | 115 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
| ISL8489EIBZ | Renesas Electronics | Active | RS422, RS485 | 1/1 | 70 mV | 250 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
| ISL8489EIBZ-T | Renesas Electronics | Active | RS422, RS485 | 1/1 | 70 mV | 250 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
| MAX13080EASD+ | Analog Devices Inc./Maxim | Active | RS422, RS485 | 1/1 | 100 mV | 250 kbps | 4.5V ~ 5.5V | -40°C ~ 125°C | 14-SOIC | ROHS3 Compliant |
| MAX13080ECSD+ | Analog Devices Inc./Maxim | Active | RS422, RS485 | 1/1 | 100 mV | 250 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 14-SOIC | ROHS3 Compliant |
| MAX13080ECSD+T | Analog Devices Inc./Maxim | Active | RS422, RS485 | 1/1 | 100 mV | 250 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 14-SOIC | ROHS3 Compliant |
| MAX13080EESD+ | Analog Devices Inc./Maxim | Active | RS422, RS485 | 1/1 | 100 mV | 250 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
| MAX13080EESD+T | Analog Devices Inc./Maxim | Active | RS422, RS485 | 1/1 | 100 mV | 250 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 14-SOIC | ROHS3 Compliant |
Engineering Selection Recommendations
All substitute parts listed are active production components with ROHS3 compliance, providing long-term availability and regulatory alignment compared to the obsolete SP3080EEN-L.
For direct parameter matching: MAX13080EESD+ and MAX13080EESD+T maintain identical receiver hysteresis (100 mV) and operating temperature range (-40°C to 85°C) while offering doubled data rate capability (250 kbps). These parts provide the closest functional equivalence with enhanced performance margins.
For improved receiver sensitivity: ISL83080EIBZ and ISL83080EIBZ-T reduce receiver hysteresis to 20 mV while maintaining the original 115 kbps data rate and full temperature range. These parts are suitable for applications requiring enhanced noise immunity.
For maximum data rate performance: ISL8489EIBZ, ISL8489EIBZ-T, ISL4489EIBZ provide 250 kbps data rate with 70 mV receiver hysteresis. These parts support higher-speed RS422/RS485 communication while maintaining full temperature range operation.
For extended temperature operation: MAX13080EASD+ extends the upper operating temperature to 125°C while maintaining 100 mV hysteresis and 250 kbps data rate, suitable for industrial and automotive applications.
Frequently Asked Questions (FAQ)
Q: Can MAX13080ECSD+ be used as a direct replacement for SP3080EEN-L?
A: MAX13080ECSD+ is electrically compatible but operates within a narrower temperature range (0°C to 70°C versus -40°C to 85°C). Use this part only if your application operates within the 0°C to 70°C window.
Q: What is the difference between ISL83080EIBZ and ISL83080EIBZ-T?
A: Both parts are electrically identical. ISL83080EIBZ is supplied in Tube packaging, while ISL83080EIBZ-T is supplied in Cut Tape (CT) & Digi-Reel format. Selection depends on your procurement and assembly requirements.
Q: Are all substitute parts pin-compatible with SP3080EEN-L?
A: All listed substitutes use the 14-SOIC package with identical pinout. Pin-level compatibility is maintained across all alternatives.
Q: Which substitute offers the best noise immunity?
A: ISL83080EIBZ and ISL83080EIBZ-T provide the lowest receiver hysteresis at 20 mV, offering superior noise immunity compared to the original 100 mV specification.
Q: Can I use ISL8489EIBZ in a 115 kbps application?
A: Yes. ISL8489EIBZ supports data rates up to 250 kbps, making it fully compatible with 115 kbps operation. The higher data rate capability does not affect lower-speed applications.
Q: What is the MSL difference between SP3080EEN-L and substitute parts?
A: SP3080EEN-L has MSL 2 (1 Year). All active substitute parts have MSL 3 (168 Hours). Verify moisture handling procedures with your assembly partner if this difference impacts your production process.
Q: Are substitute parts RoHS compliant?
A: All active substitute parts listed are ROHS3 compliant. The obsolete SP3080EEN-L does not carry RoHS certification.
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