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SP232EET-L RS232 Transceiver: Equivalent & Substitute Parts
Part Overview
The SP232EET-L is a 2/2 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 16-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 SP232EET-L operates within a 4.5V to 5.5V supply voltage range and supports data rates up to 240 kbps across an operating temperature range of -40°C to 85°C.
Substiute Parts
Key Parameters
| Parameter | SP232EET-L |
|---|---|
| Manufacturer | MaxLinear, Inc. |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 240 kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the SP232EET-L is determined by strict adherence to the following electrical and mechanical parameters:
- Protocol: RS232 full-duplex transceiver
- Driver/Receiver Configuration: 2/2
- Supply Voltage Range: 4.5V ~ 5.5V
- Package Type: 16-SOIC surface mount
- Operating Temperature Range: -40°C ~ 85°C (extended industrial range)
Substitute parts from Analog Devices Inc. meet these core requirements. The ADM202 and ADM232 series provide functionally equivalent RS232 transceiver solutions with identical pinout compatibility and package specifications. All substitute parts listed maintain the 16-SOIC form factor and support the required supply voltage and temperature operating ranges.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Duplex | Receiver Hysteresis | Data Rate | Supply Voltage | Operating Temperature | Package | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SP232EET-L | MaxLinear, Inc. | RS232 | 2/2 | Full | 500 mV | 240 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Obsolete | N/A | 3 (168 Hours) |
| ADM202EARWZ | Analog Devices Inc. | RS232 | 2/2 | Full | 650 mV | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM202EARWZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 650 mV | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM202JRWZ | Analog Devices Inc. | RS232 | 2/2 | Full | 400 mV | Not Specified | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM202JRWZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 400 mV | Not Specified | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM232AARWZ | Analog Devices Inc. | RS232 | 2/2 | Full | 400 mV | 200 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM232AARWZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 400 mV | 200 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM232LARZ | Analog Devices Inc. | RS232 | 2/2 | Full | 650 mV | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM232LARZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 650 mV | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM232LJRZ | Analog Devices Inc. | RS232 | 2/2 | Full | 650 mV | 120 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC (0.295", 7.50mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
| ADM232LJRZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 650 mV | 120 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC (0.154", 3.90mm) | Active | ROHS3 Compliant | 1 (Unlimited) |
Engineering Selection Recommendations
For applications requiring the SP232EET-L, the ADM202EARWZ and ADM202EARWZ-REEL variants provide the closest electrical match with active product status and ROHS3 compliance. These parts maintain the extended operating temperature range of -40°C to 85°C and support data rates of 230 kbps, which aligns with the original specification of 240 kbps.
The ADM232AARWZ and ADM232AARWZ-REEL series offer alternative solutions for applications operating within the extended temperature range, with a data rate specification of 200 kbps. These parts feature a 400 mV receiver hysteresis compared to the SP232EET-L's 500 mV specification.
For applications limited to the commercial temperature range (0°C to 70°C), the ADM202JRWZ, ADM202JRWZ-REEL, ADM232LJRZ, and ADM232LJRZ-REEL variants are suitable alternatives. All substitute parts are manufactured by Analog Devices Inc., an established supplier with active product lines and full RoHS3 compliance certification.
Frequently Asked Questions (FAQ)
Q: Can ADM202JRWZ be used in place of SP232EET-L in applications requiring -40°C to 85°C operation?
A: No. The ADM202JRWZ operates within a 0°C to 70°C temperature range and is not suitable for extended industrial temperature applications. Use ADM202EARWZ or ADM232AARWZ for -40°C to 85°C requirements.
Q: What is the difference between tube and tape & reel packaging options?
A: Tube packaging (standard variants) and Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging differ in delivery format and handling. Tape & Reel packaging is optimized for automated assembly processes, while tube packaging is suitable for manual handling and lower-volume applications. Electrical specifications remain identical.
Q: Are all substitute parts pin-compatible with SP232EET-L?
A: Yes. All listed substitute parts maintain the 16-SOIC package configuration with identical pinout compatibility. The ADM232LJRZ-REEL variant features a different physical width (0.154" vs. 0.295"), which may affect PCB layout considerations despite electrical compatibility.
Q: What is the significance of receiver hysteresis differences between parts?
A: Receiver hysteresis affects noise immunity and signal transition characteristics. The SP232EET-L specifies 500 mV hysteresis, while substitutes range from 400 mV to 650 mV. Lower hysteresis values provide faster signal transitions; higher values offer improved noise rejection. Selection depends on specific application signal integrity requirements.
Q: Why is the SP232EET-L classified as obsolete?
A: Obsolete status indicates the manufacturer has discontinued production. Active substitute parts from Analog Devices Inc. provide equivalent functionality with ongoing manufacturing support and improved compliance certifications (ROHS3).
Q: Do all substitute parts meet ROHS3 compliance?
A: Yes. All listed Analog Devices substitute parts carry ROHS3 Compliant certification. The original SP232EET-L does not specify RoHS status due to its obsolete classification.
Q: What is the difference between ADM202 and ADM232 series?
A: Both series provide 2/2 full-duplex RS232 transceiver functionality in 16-SOIC packages. The ADM232 series offers lower data rate specifications (120 kbps) compared to ADM202 variants (230 kbps). Selection depends on application bandwidth requirements.
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