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SP3232EBEN-L RS232 Transceiver Equivalent & Substitute Parts
Part Overview
The SP3232EBEN-L is a 2/2 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 16-SOIC surface mount package. This interface IC operates across a 3V to 5.5V supply range with a 250kbps data rate and is designed for serial communication applications requiring dual drivers and receivers. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SP3232EBEN-L |
| Manufacturer | MaxLinear, Inc. |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 300 mV |
| Data Rate | 250kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the SP3232EBEN-L is determined by strict adherence to the following electrical and mechanical parameters:
Critical Matching Parameters:
- Protocol: RS232
- Number of Drivers/Receivers: 2/2
- Duplex: Full
- Mounting Type: Surface Mount
- Package / Case: 16-SOIC (0.154", 3.90mm Width)
- Voltage - Supply: Must support 3V ~ 5.5V range or be compatible within the application's operating voltage
- Operating Temperature: Must support -40°C ~ 85°C or be suitable for the application's temperature range
Acceptable Variation Parameters:
- Receiver Hysteresis: Variations acceptable if within RS232 specification compliance
- Data Rate: Variations acceptable if equal to or greater than 250kbps
- Product Status: Active parts preferred for long-term availability
- Packaging Format: Tube, Cut Tape (CT), or Digi-Reel formats are interchangeable for the same base part number
- Compliance: RoHS3 and REACH compliance preferred for regulatory alignment
Substitute parts are grouped by base product number (ADM202, ADM232, ADM3202) with variants distinguished by temperature rating and packaging format.
Parameter Comparison
| Part Number | Manufacturer | Protocol | Drivers/Receivers | Duplex | Data Rate | Supply Voltage | Temp Range | Package | Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| SP3232EBEN-L | MaxLinear, Inc. | RS232 | 2/2 | Full | 250kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Obsolete | 1915 Pcs |
| ADM202EARNZ | Analog Devices Inc. | RS232 | 2/2 | Full | 230kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 7155 Pcs |
| ADM202EARNZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 230kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 22200 Pcs |
| ADM202EARNZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | Full | 230kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 50300 Pcs |
| ADM202JRNZ | Analog Devices Inc. | RS232 | 2/2 | Full | — | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | Active | 2287 Pcs |
| ADM202JRNZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | — | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | Active | 3408 Pcs |
| ADM202JRNZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | Full | — | 4.5V ~ 5.5V | 0°C ~ 70°C | 16-SOIC | Active | 3280 Pcs |
| ADM232AARNZ | UMW | RS232 | 2/2 | Full | 120Kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 2453 Pcs |
| ADM232AARNZ-REEL | Analog Devices Inc. | RS232 | 2/2 | Full | 200kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 4793 Pcs |
| ADM232AARNZ-REEL7 | Analog Devices Inc. | RS232 | 2/2 | Full | 200kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 4200 Pcs |
| ADM3202ARNZ | Analog Devices Inc. | RS232 | 2/2 | Full | 460Kbps | 3V ~ 5.5V | -40°C ~ 85°C | 16-SOIC | Active | 4121 Pcs |
Engineering Selection Recommendations
Primary Recommendation: ADM3202ARNZ
The ADM3202ARNZ from Analog Devices Inc. provides the closest electrical alignment to the SP3232EBEN-L. It maintains the full 3V to 5.5V supply voltage range, supports the extended -40°C to 85°C operating temperature, and exceeds the original 250kbps data rate specification at 460Kbps. The part is in active production status with RoHS3 compliance and unlimited moisture sensitivity rating, ensuring long-term availability and regulatory alignment.
Secondary Recommendation: ADM202EARNZ-REEL7
For applications where the 4.5V to 5.5V supply voltage range is acceptable, the ADM202EARNZ-REEL7 offers the highest inventory availability (50300 Pcs) with active product status. This variant maintains full -40°C to 85°C temperature coverage and 230kbps data rate performance. The Digi-Reel packaging format supports high-volume manufacturing workflows.
Alternative for Extended Temperature Applications: ADM202EARNZ-REEL
The ADM202EARNZ-REEL variant provides identical electrical specifications to ADM202EARNZ-REEL7 with substantial inventory (22200 Pcs) and active status. Selection between these two ADM202 variants depends on packaging format requirements for assembly processes.
Not Recommended: ADM202JRNZ Series
The ADM202JRNZ variants operate only across 0°C to 70°C, which does not meet the original -40°C specification. These parts are suitable only for applications with reduced temperature requirements.
Not Recommended: ADM232AARNZ Series
The ADM232AARNZ variants operate at reduced data rates (120Kbps to 200Kbps) compared to the original 250kbps specification and do not support the full 3V supply voltage minimum. These parts are suitable only for legacy low-speed applications.
Frequently Asked Questions (FAQ)
Q: Can I use ADM202EARNZ parts if my application operates only at 5V?
A: Yes. The ADM202EARNZ series operates across 4.5V to 5.5V, which encompasses standard 5V operation. If your application requires 3V operation, the ADM3202ARNZ is required.
Q: What is the difference between ADM202EARNZ, ADM202EARNZ-REEL, and ADM202EARNZ-REEL7?
A: These are the same base part (ADM202) with identical electrical specifications. The differences are packaging formats: Tube, Cut Tape (CT) & Digi-Reel, and Cut Tape (CT) & Digi-Reel with 7-inch reel. Selection depends on assembly equipment compatibility and volume requirements.
Q: Is the ADM3202ARNZ a direct pin-for-pin replacement?
A: Yes. The ADM3202ARNZ maintains the 16-SOIC package footprint and pinout compatibility with the SP3232EBEN-L. It is a direct mechanical and electrical substitute.
Q: Why does the SP3232EBEN-L show 3V minimum supply voltage while ADM202 parts show 4.5V minimum?
A: The SP3232EBEN-L and ADM3202ARNZ both support 3V to 5.5V operation. The ADM202 series is rated for 4.5V to 5.5V only. Application voltage requirements determine which substitute is appropriate.
Q: Can I substitute ADM202JRNZ for the SP3232EBEN-L in an industrial application?
A: No. The ADM202JRNZ operates only across 0°C to 70°C, which does not meet the original -40°C to 85°C industrial temperature range. The ADM202EARNZ or ADM3202ARNZ are required for full temperature coverage.
Q: What is the inventory status for long-term supply?
A: The ADM3202ARNZ (4121 Pcs) and ADM202EARNZ-REEL7 (50300 Pcs) are in active production with the highest availability. Both are suitable for new designs requiring long-term component supply.
Q: Does the reduced data rate of ADM202 parts (230kbps) affect compatibility?
A: The ADM202 series at 230kbps meets or exceeds most RS232 application requirements. If your application requires the full 250kbps or higher performance, the ADM3202ARNZ at 460Kbps is recommended.
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