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SP206ET-L Equivalent & Substitute Parts
Part Overview
The SP206ET-L is a 4/3 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 24-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 SP206ET-L operates within a 4.5V to 5.5V supply range with a 120 kbps data rate and supports operating temperatures from -40°C to 85°C.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SP206ET-L |
| Manufacturer | MaxLinear, Inc. |
| Category | Interface |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 4/3 |
| 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 | 24-SOIC (0.295", 7.50mm Width) |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution for the SP206ET-L is determined by strict alignment of the following electrical and mechanical parameters:
Critical Matching Parameters:
- Protocol: RS232
- Number of Drivers/Receivers: 4/3
- Duplex: Full
- Voltage Supply Range: 4.5V ~ 5.5V
- Operating Temperature Range: -40°C ~ 85°C
- Package / Case: 24-SOIC (0.295", 7.50mm Width)
- Mounting Type: Surface Mount
Acceptable Variation Parameters:
- Receiver Hysteresis: 500 mV to 650 mV (both values within acceptable RS232 specifications)
- Data Rate: 120 kbps to 230 kbps (higher data rates are backward compatible)
- Product Status: Active substitutes preferred over obsolete
- Packaging Format: Tube or Tape & Reel (TR) both acceptable for equivalent functionality
Substitute parts are grouped into two categories: Analog Devices ADM206 series (active status, enhanced specifications) and Analog Devices/Maxim Integrated MAX206 series (active status, maintained specifications).
Parameter Comparison
| Part Number | Manufacturer | Drivers/Receivers | Receiver Hysteresis | Data Rate | Supply Voltage | Operating Temp | Package | Product Status | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|
| SP206ET-L | MaxLinear, Inc. | 4/3 | 500 mV | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Obsolete | - |
| ADM206ARZ | Analog Devices Inc. | 4/3 | 650 mV | - | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | Tube |
| ADM206ARZ-REEL | Analog Devices Inc. | 4/3 | 650 mV | - | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | Tape & Reel (TR) |
| ADM206EARZ | Analog Devices Inc. | 4/3 | 650 mV | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | Tube |
| ADM206EARZ-REEL | Analog Devices Inc. | 4/3 | 650 mV | 230 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | Tape & Reel (TR) |
| MAX206CWG+ | Analog Devices Inc./Maxim Integrated | 4/3 | 500 mV | 120 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | Tube |
| MAX206CWG+T | Analog Devices Inc./Maxim Integrated | 4/3 | 500 mV | 120 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | Tape & Reel (TR) |
| MAX206ECWG+ | Analog Devices Inc./Maxim Integrated | 4/3 | 500 mV | 120 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | Tube |
| MAX206ECWG+T | Analog Devices Inc./Maxim Integrated | 4/3 | 500 mV | 120 kbps | 4.5V ~ 5.5V | 0°C ~ 70°C | 24-SOIC | Active | Tape & Reel (TR) |
| MAX206EEWG+T | Analog Devices Inc./Maxim Integrated | 4/3 | 500 mV | 120 kbps | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SOIC | Active | Tape & Reel (TR) |
| MAX207CDB | Texas Instruments | 5/3 | 500 mV | 120 kbps | 4.75V ~ 5.25V | 0°C ~ 70°C | 24-SSOP | Obsolete | Tube |
Engineering Selection Recommendations
Primary Substitutes (Full Compatibility):
ADM206EARZ and ADM206EARZ-REEL are the preferred substitutes for the SP206ET-L. Both parts maintain the complete operating temperature range (-40°C to 85°C), matching the original specification. These components are manufactured by Analog Devices Inc. and hold active product status with ROHS3 compliance and unlimited moisture sensitivity rating. The ADM206EARZ-REEL variant is suitable for high-volume production environments requiring tape and reel packaging.
MAX206EEWG+T provides an alternative substitute with identical electrical specifications and full temperature range coverage (-40°C to 85°C). This part is supplied in Tape & Reel format and maintains ROHS3 compliance.
Secondary Substitutes (Temperature Range Limitation):
ADM206ARZ, ADM206ARZ-REEL, MAX206CWG+, MAX206CWG+T, MAX206ECWG+, and MAX206ECWG+T are functionally equivalent but operate within a reduced temperature range (0°C to 70°C). These parts are suitable only for applications where the full -40°C to 85°C range is not required. All secondary substitutes maintain active product status and ROHS3 compliance.
Not Recommended:
MAX207CDB is not a suitable substitute. Although it shares the RS232 protocol and 24-pin surface mount package format, it features a 5/3 driver/receiver configuration (versus the required 4/3), operates within a narrower supply voltage range (4.75V to 5.25V), and is classified as obsolete.
Frequently Asked Questions (FAQ)
Q: Can I use MAX206CWG+ as a direct replacement for SP206ET-L in all applications?
A: MAX206CWG+ is electrically compatible but operates within a 0°C to 70°C temperature range, compared to the SP206ET-L's -40°C to 85°C range. Use this substitute only if your application does not require operation below 0°C or above 70°C.
Q: What is the difference between ADM206EARZ and ADM206EARZ-REEL?
A: Both parts are identical in electrical specifications and performance. The difference is packaging format: ADM206EARZ is supplied in Tube packaging, while ADM206EARZ-REEL is supplied in Tape & Reel (TR) format. Select based on your assembly process requirements.
Q: Why is MAX207CDB not listed as a suitable substitute?
A: MAX207CDB has a 5/3 driver/receiver configuration instead of the required 4/3. This functional difference makes it incompatible with designs expecting 4/3 transceiver operation.
Q: Are all substitute parts RoHS compliant?
A: Yes. All active substitute parts listed (ADM206 and MAX206 series) are ROHS3 compliant. The original SP206ET-L is obsolete and does not carry RoHS certification.
Q: What is the significance of receiver hysteresis differences between 500 mV and 650 mV?
A: Both values fall within acceptable RS232 specifications. The 650 mV hysteresis in ADM206 series provides slightly improved noise immunity compared to the 500 mV specification in MAX206 series and the original SP206ET-L.
Q: Can I use parts with higher data rates (230 kbps) as substitutes for the 120 kbps SP206ET-L?
A: Yes. Higher data rate specifications are backward compatible. ADM206EARZ and ADM206EARZ-REEL support 230 kbps and operate correctly in applications designed for 120 kbps operation.
Q: What packaging options are available for production environments?
A: Tube packaging is suitable for lower-volume or manual assembly processes. Tape & Reel (TR) packaging is designed for automated pick-and-place assembly in high-volume manufacturing. Select based on your production methodology.
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