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SP211EA-L RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The SP211EA-L is a full-duplex RS232 transceiver manufactured by MaxLinear, Inc., configured with 4 drivers and 5 receivers in a 28-SSOP surface mount package. This component is classified as obsolete, indicating discontinued production and limited availability. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this interface component.
Substiute Parts
Key Parameters
| Parameter | SP211EA-L |
|---|---|
| Manufacturer | MaxLinear, Inc. |
| Type | Transceiver |
| Protocol | RS232 |
| Drivers/Receivers | 4/5 |
| Duplex | Full |
| Data Rate | 120 Kbps |
| Supply Voltage | 4.5V – 5.5V |
| Operating Temperature | -40°C to 85°C |
| Package | 28-SSOP (0.209", 5.30mm Width) |
| Mounting Type | Surface Mount |
| Receiver Hysteresis | 500 mV |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the SP211EA-L is determined by the following critical parameters:
- Protocol: RS232 (all substitutes must support RS232 communication)
- Package: 28-SSOP surface mount (physical and electrical compatibility)
- Drivers/Receivers: 4/5 configuration (functional equivalence)
- Supply Voltage: 4.5V – 5.5V nominal range (power supply compatibility)
- Operating Temperature: -40°C to 85°C minimum (thermal operating range)
- Duplex: Full-duplex operation (bidirectional communication capability)
Substitute parts are grouped into two categories:
- Direct MaxLinear variants (SP211EEA-L/TR) – same manufacturer, enhanced data rate capability
- Cross-manufacturer alternatives (Analog Devices ADM211/ADM241 series, Renesas HIN211ECAZ) – functionally equivalent with active product status and modern compliance certifications
Parameter Comparison
| Parameter | SP211EA-L | SP211EEA-L/TR | ADM211ARSZ | ADM241LARSZ | HIN211ECAZ |
|---|---|---|---|---|---|
| Manufacturer | MaxLinear | MaxLinear | Analog Devices | Analog Devices | Renesas |
| Protocol | RS232 | RS232 | RS232 | RS232 | RS232 |
| Drivers/Receivers | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 |
| Data Rate | 120 Kbps | 230 Kbps | 120 Kbps | 120 Kbps | 230 Kbps |
| Supply Voltage | 4.5V – 5.5V | 4.5V – 5.5V | 4.5V – 5.5V | 4.75V – 5.25V | 4.5V – 5.5V |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C | 0°C to 70°C |
| Receiver Hysteresis | 500 mV | 500 mV | 650 mV | 650 mV | 500 mV |
| Package | 28-SSOP | 28-SSOP | 28-SSOP | 28-SSOP | 28-SSOP |
| Product Status | Obsolete | Active | Active | Active | Active |
| RoHS Status | Not specified | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 2 (1 Year) | 2 (1 Year) | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) |
Engineering Selection Recommendations
For applications currently using the SP211EA-L, the following selection criteria apply:
SP211EEA-L/TR (MaxLinear) – Recommended as the primary direct substitute. Maintains MaxLinear manufacturer continuity, identical electrical specifications within the SP211 base product family, and active product status. Enhanced data rate (230 Kbps vs. 120 Kbps) provides performance headroom. Available in Tape & Reel packaging for production volumes.
ADM211ARSZ / ADM211EARSZ (Analog Devices) – Suitable for designs requiring extended operating temperature range (-40°C to 85°C) and unlimited moisture sensitivity rating (MSL 1). ROHS3 and REACH compliance certifications support modern supply chain requirements. Receiver hysteresis of 650 mV provides enhanced noise immunity compared to the original 500 mV specification.
ADM241LARSZ / ADM241LARSZ-REEL (Analog Devices) – Appropriate for applications with tighter supply voltage tolerance (4.75V – 5.25V). Highest inventory availability (25,400 units) ensures supply continuity. ROHS3 compliant with unlimited MSL rating. Suitable for both tube and tape & reel packaging requirements.
ADM241LJRSZ / ADM241LJRSZ-REEL (Analog Devices) – Specified for commercial temperature range applications (0°C to 70°C). Narrower operating temperature window compared to industrial-grade alternatives. Appropriate for non-extended temperature environments.
HIN211ECAZ (Renesas) – Viable alternative with 230 Kbps data rate capability and 500 mV receiver hysteresis matching the original specification. Operating temperature limited to 0°C to 70°C. MSL rating of 3 (168 hours) requires careful handling during assembly. ROHS3 and REACH compliant.
Frequently Asked Questions (FAQ)
Q: Can the SP211EA-L be directly replaced with SP211EEA-L/TR?
A: Yes. Both components share the same base product number (SP211), identical 4/5 driver/receiver configuration, matching supply voltage range (4.5V – 5.5V), and identical operating temperature range (-40°C to 85°C). The SP211EEA-L/TR offers enhanced data rate (230 Kbps) and active product status. Pin-to-pin compatibility and functional equivalence are confirmed.
Q: What is the difference between ADM211 and ADM241 series substitutes?
A: The ADM211 series maintains the original 4.5V – 5.5V supply voltage specification. The ADM241 series operates within a narrower range (4.75V – 5.25V), providing tighter voltage regulation. Both series offer identical 4/5 driver/receiver configuration, 120 Kbps data rate, and -40°C to 85°C operating temperature. Selection depends on power supply design constraints.
Q: Are there temperature-related limitations with cross-manufacturer substitutes?
A: The HIN211ECAZ (Renesas) and ADM241LJRSZ (Analog Devices) are rated for 0°C to 70°C commercial temperature range, narrower than the original SP211EA-L specification (-40°C to 85°C). The ADM211 and ADM241L/ADM241LA series maintain the full -40°C to 85°C industrial temperature range. Verify application temperature requirements before selection.
Q: What packaging options are available for production quantities?
A: SP211EEA-L/TR is supplied in Tape & Reel (TR) packaging. ADM211ARSZ and ADM241LARSZ are available in Tube packaging. ADM211EARSZ-REEL and ADM241LARSZ-REEL are supplied in Cut Tape (CT) & Digi-Reel® format. ADM241LJRSZ-REEL is available in Tape & Reel (TR). Confirm packaging compatibility with assembly equipment specifications.
Q: How do receiver hysteresis differences affect circuit performance?
A: The original SP211EA-L specifies 500 mV receiver hysteresis. Analog Devices ADM211 and ADM241 series feature 650 mV hysteresis, providing enhanced noise immunity and improved signal integrity in noisy environments. The HIN211ECAZ maintains 500 mV hysteresis matching the original specification. Both configurations are compatible with standard RS232 signal levels; hysteresis selection depends on electromagnetic interference (EMI) environment.
Q: What compliance certifications should be verified for new designs?
A: All active substitute parts (SP211EEA-L/TR, ADM211 series, ADM241 series, HIN211ECAZ) carry ROHS3 compliance certification. Analog Devices parts include REACH Unaffected status. Moisture Sensitivity Level (MSL) ratings vary: ADM211/ADM241 series are MSL 1 (Unlimited), SP211EEA-L/TR is MSL 2 (1 Year), and HIN211ECAZ is MSL 3 (168 Hours). Confirm compliance requirements with procurement and manufacturing specifications.
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