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SP211EA-L/TR RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The SP211EA-L/TR is a 4/5 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 28-SSOP surface mount package. This component is classified as obsolete, which necessitates identification of active equivalent and substitute parts for ongoing design support and procurement continuity. The part operates across the industrial temperature range of -40°C to 85°C with a 120 kbps data rate and 4.5V to 5.5V supply voltage specification.
Substiute Parts
Key Parameters
| Parameter | SP211EA-L/TR Value |
|---|---|
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 4/5 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120 kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SP211EA-L/TR is determined by strict equivalence across the following critical parameters:
- Protocol: RS232 full-duplex transceiver
- Driver/Receiver Configuration: 4/5 channel architecture
- Package: 28-SSOP surface mount form factor
- Supply Voltage Range: 4.5V to 5.5V nominal operation
- Operating Temperature: -40°C to 85°C industrial range
- Data Rate: Minimum 120 kbps capability
Substitute parts are grouped into two categories: direct MaxLinear equivalents with enhanced specifications (SP211EEA-L/TR) and manufacturer-recommended alternatives from Analog Devices and Renesas that maintain full electrical and mechanical compatibility within the specified parameter envelope.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Data Rate | Supply Voltage | Operating Temp | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| SP211EA-L/TR | MaxLinear, Inc. | RS232 | 4/5 | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 28-SSOP | Obsolete | Not Specified |
| SP211EEA-L/TR | MaxLinear, Inc. | RS232 | 4/5 | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 28-SSOP | Active | RoHS Compliant |
| ADM211ARSZ | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM211ARSZ-REEL | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM211EARSZ | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM211EARSZ-REEL | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM241LARSZ | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM241LARSZ-REEL | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.75V ~ 5.25V | -40°C ~ 85°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM241LJRSZ | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.75V ~ 5.25V | 0°C ~ 70°C | 28-SSOP | Active | ROHS3 Compliant |
| ADM241LJRSZ-REEL | Analog Devices Inc. | RS232 | 4/5 | 120 kbps | 4.75V ~ 5.25V | 0°C ~ 70°C | 28-SSOP | Active | ROHS3 Compliant |
| HIN211ECAZ | Renesas Electronics Corporation | RS232 | 4/5 | 230 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 28-SSOP | Active | ROHS3 Compliant |
Engineering Selection Recommendations
For applications requiring full industrial temperature range operation (-40°C to 85°C) with 4.5V to 5.5V supply voltage, the SP211EEA-L/TR from MaxLinear provides direct compatibility with enhanced data rate capability (230 kbps versus 120 kbps) and active product status with RoHS compliance.
For designs with identical electrical specifications and industrial temperature requirements, the ADM211ARSZ, ADM211EARSZ, and their reel-packaged variants from Analog Devices provide ROHS3-compliant alternatives with active product status and improved moisture sensitivity ratings (MSL 1 versus MSL 2).
The ADM241LARSZ and ADM241LARSZ-REEL variants operate within a narrower supply voltage window (4.75V to 5.25V) and maintain full compatibility with the original specification envelope. These parts are suitable for applications with tightly regulated power supplies.
The ADM241LJRSZ and ADM241LJRSZ-REEL variants operate across the commercial temperature range (0°C to 70°C) and are appropriate for non-industrial applications where the extended low-temperature specification of the original part is not required.
The HIN211ECAZ from Renesas Electronics provides an alternative with enhanced data rate (230 kbps) but operates only across the commercial temperature range (0°C to 70°C), limiting its use to applications not requiring full industrial temperature coverage.
Frequently Asked Questions (FAQ)
Q: Can SP211EEA-L/TR replace SP211EA-L/TR in all applications?
A: Yes, within the specified electrical and mechanical parameters. The SP211EEA-L/TR maintains identical supply voltage (4.5V to 5.5V), operating temperature (-40°C to 85°C), package (28-SSOP), and driver/receiver configuration (4/5). The enhanced data rate (230 kbps versus 120 kbps) is backward compatible with designs operating at 120 kbps.
Q: What is the difference between ADM211ARSZ and ADM241LARSZ?
A: Both are Analog Devices RS232 transceivers in 28-SSOP packages with 4/5 driver/receiver configuration. The ADM211ARSZ operates at 4.5V to 5.5V supply voltage, while the ADM241LARSZ operates at a narrower 4.75V to 5.25V range. Both support -40°C to 85°C industrial temperature operation and 120 kbps data rate.
Q: Are reel-packaged variants (-REEL suffix) electrically identical to tube-packaged versions?
A: Yes. The -REEL suffix indicates packaging format only (Tape & Reel or Cut Tape & Digi-Reel). Electrical specifications, performance characteristics, and compliance certifications remain identical between tube and reel variants of the same base part number.
Q: Why does HIN211ECAZ have a limited operating temperature range?
A: The HIN211ECAZ from Renesas operates across 0°C to 70°C (commercial range) rather than -40°C to 85°C (industrial range). This part is suitable only for applications not requiring full industrial temperature coverage. Designs requiring -40°C operation must use SP211EEA-L/TR, ADM211 series, or ADM241 series variants specified for -40°C to 85°C.
Q: What does MSL rating indicate for these parts?
A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions before soldering. SP211EA-L/TR carries MSL 2 (1 Year), while Analog Devices alternatives carry MSL 1 (Unlimited), providing greater handling flexibility and reduced risk of moisture-induced failures during storage and assembly.
Q: Are all substitute parts RoHS compliant?
A: SP211EEA-L/TR is RoHS Compliant. All Analog Devices variants (ADM211 and ADM241 series) are ROHS3 Compliant. HIN211ECAZ is ROHS3 Compliant. The original SP211EA-L/TR does not specify RoHS status.
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