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SP232ECN-L/TR RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The SP232ECN-L/TR is a 2/2 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 16-SOIC surface mount package. This interface IC operates within the 4.5V to 5.5V supply voltage range and supports data rates up to 240 kbps across a 0°C to 70°C operating temperature range. The device is RoHS Compliant with MSL 2 (1 Year) moisture sensitivity rating and maintains Active product status. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and functional equivalence within the RS232 transceiver category.
Substiute Parts
Key Parameters
| Parameter | SP232ECN-L/TR |
|---|---|
| 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 | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| RoHS Status | RoHS Compliant |
| MSL Rating | 2 (1 Year) |
Substitute Part Grouping Explanation
Substitution of the SP232ECN-L/TR is determined by the following critical parameters:
- Protocol compatibility (RS232)
- Electrical configuration (2/2 drivers/receivers, full-duplex)
- Supply voltage range (4.5V ~ 5.5V)
- Package type (16-SOIC surface mount)
- Data rate capability (minimum 240 kbps)
- Receiver hysteresis tolerance (500 mV nominal)
- Operating temperature range (minimum 0°C ~ 70°C)
- RoHS and regulatory compliance status
Substitute parts are grouped into two categories: parametric equivalents from MaxLinear (SP202ECN-L/TR, SP232ACN-L/TR, SP232AEN-L/TR) and manufacturer-recommended alternatives from Analog Devices Inc. (ADM202 series) and UMW (ADM232AARNZ). Parametric equivalents maintain identical electrical specifications and package dimensions. Manufacturer-recommended alternatives provide functional equivalence with variations in receiver hysteresis, data rate, operating temperature range, and moisture sensitivity levels.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Duplex | Data Rate | Supply Voltage | Operating Temp | Package | RoHS Status | MSL Rating |
|---|---|---|---|---|---|---|---|---|---|---|
| SP232ECN-L/TR | MaxLinear, Inc. | RS232 | 2/2 | Full | 240 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | RoHS Compliant | 2 (1 Year) |
| SP202ECN-L/TR | MaxLinear, Inc. | RS232 | 2/2 | Full | 240 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | ROHS3 Compliant | 2 (1 Year) |
| SP232ACN-L/TR | MaxLinear, Inc. | RS232 | 2/2 | Full | 240 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | ROHS3 Compliant | 2 (1 Year) |
| SP232AEN-L/TR | MaxLinear, Inc. | RS232 | 2/2 | Full | 240 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | ROHS3 Compliant | 2 (1 Year) |
| ADM202EARNZ | Analog Devices Inc. | RS232 | 2/2 | Full | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
| ADM202EARNZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
| ADM202EARNZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | Full | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
| ADM202JRNZ | Analog Devices Inc. | RS232 | 2/2 | Full | — | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
| ADM202JRNZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | — | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
| ADM202JRNZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | Full | — | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
| ADM232AARNZ | UMW | RS232 | 2/2 | Full | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | ROHS3 Compliant | 1 (Unlimited) |
Engineering Selection Recommendations
MaxLinear parametric equivalents (SP202ECN-L/TR, SP232ACN-L/TR, SP232AEN-L/TR) provide direct functional replacement with identical electrical performance and package compatibility. These parts maintain the same 240 kbps data rate, 500 mV receiver hysteresis, and 0°C to 70°C operating temperature range as the SP232ECN-L/TR. All three variants are ROHS3 Compliant with MSL 2 ratings and differ only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel).
Analog Devices ADM202 series parts (ADM202EARNZ, ADM202EARNZ-REEL, ADM202EARNZ-REEL7, ADM202JRNZ, ADM202JRNZ-REEL, ADM202JRNZ-REEL7) are manufacturer-recommended alternatives offering extended operating temperature range (-40°C to 85°C) and superior moisture sensitivity (MSL 1, Unlimited). The ADM202E variants maintain 230 kbps data rate with 650 mV receiver hysteresis. The ADM202J variants operate within the 0°C to 70°C temperature range matching the original part. All ADM202 variants are ROHS3 Compliant.
The UMW ADM232AARNZ operates at reduced data rate (120 kbps) with extended temperature range (-40°C to 85°C) and MSL 1 rating. This part is suitable for applications where lower data rates are acceptable and extended environmental operating conditions are required.
Selection should prioritize parametric equivalents for direct replacement in existing designs. Manufacturer-recommended alternatives from Analog Devices are appropriate when extended temperature range, improved moisture sensitivity, or higher inventory availability is required.
Frequently Asked Questions (FAQ)
Q: Can SP202ECN-L/TR replace SP232ECN-L/TR directly?
A: Yes. SP202ECN-L/TR is a parametric equivalent with identical electrical specifications (240 kbps data rate, 500 mV receiver hysteresis, 4.5V ~ 5.5V supply, 0°C ~ 70°C operating range) and 16-SOIC package. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel).
Q: What are the key differences between MaxLinear and Analog Devices substitutes?
A: MaxLinear parametric equivalents (SP202, SP232A variants) maintain identical electrical performance and operating temperature range. Analog Devices ADM202 series offers extended operating temperature (-40°C to 85°C), improved moisture sensitivity (MSL 1 Unlimited), and higher data rates (230 kbps for ADM202E variants). The ADM202J variants match the original 0°C to 70°C temperature range.
Q: Is the ADM232AARNZ suitable as a substitute?
A: ADM232AARNZ provides functional RS232 transceiver capability in 16-SOIC package with extended temperature range and MSL 1 rating. However, it operates at 120 kbps data rate, which is lower than the SP232ECN-L/TR's 240 kbps specification. Use only in applications where reduced data rate is acceptable.
Q: Are all substitute parts RoHS compliant?
A: Yes. All listed substitute parts are ROHS3 Compliant. The original SP232ECN-L/TR is RoHS Compliant. All alternatives meet RoHS regulatory requirements.
Q: What packaging options are available for substitutes?
A: MaxLinear parametric equivalents are available in Tape & Reel (TR) and Cut Tape & Digi-Reel® formats. Analog Devices ADM202 series offers Tube and Cut Tape & Digi-Reel® packaging. All maintain 16-SOIC (0.154", 3.90mm Width) package dimensions for PCB compatibility.
Q: Which substitute offers the best moisture sensitivity rating?
A: Analog Devices ADM202 series and UMW ADM232AARNZ all feature MSL 1 (Unlimited) moisture sensitivity, superior to the original SP232ECN-L/TR's MSL 2 (1 Year) rating. This provides extended shelf life and reduced moisture-related reliability concerns.
Q: Can I use ADM202JRNZ in place of ADM202EARNZ?
A: Both are functionally equivalent 2/2 full-duplex RS232 transceivers in 16-SOIC package with 4.5V ~ 5.5V supply and 0°C ~ 70°C operating range. ADM202JRNZ features 400 mV receiver hysteresis compared to ADM202EARNZ's 650 mV. Selection depends on specific hysteresis requirements for your application.
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