SP207ECA-L RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP207ECA-L is a 5/3 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 24-SSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates within a 4.5V to 5.5V supply range with a 120 kbps data rate and 500 mV receiver hysteresis, designed for industrial and commercial serial communication applications.

Key Parameters

Parameter	SP207ECA-L
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Drivers/Receivers	5/3
Duplex	Full
Package	24-SSOP (0.209", 5.30mm Width)
Voltage Supply	4.5V ~ 5.5V
Data Rate	120 kbps
Operating Temperature	0°C ~ 70°C
Receiver Hysteresis	500 mV
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level	2 (1 Year)

Substitute Part Grouping Explanation

Substitution eligibility for the SP207ECA-L is determined by the following critical parameters:

Protocol: RS232 (mandatory match)
Configuration: 5/3 drivers/receivers (mandatory match)
Duplex Mode: Full (mandatory match)
Package: 24-SSOP with 0.209" width, 5.30mm (mandatory match)
Mounting Type: Surface Mount (mandatory match)
Voltage Supply Range: Must encompass or be compatible with 4.5V ~ 5.5V
Data Rate: Minimum 120 kbps (equal or higher acceptable)

Substitute parts are grouped by manufacturer and product status. Active parts with ROHS3 compliance and improved specifications (extended temperature range, higher data rates, lower MSL ratings) are preferred for new designs. Obsolete parts maintain functional compatibility but are not recommended for new applications.

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Data Rate	Voltage Supply	Operating Temp	Receiver Hysteresis	Product Status	Packaging	RoHS Status
SP207ECA-L	MaxLinear, Inc.	5/3	120 kbps	4.5V ~ 5.5V	0°C ~ 70°C	500 mV	Obsolete	Tube	Not specified
ADM207ARSZ	Analog Devices Inc.	5/3	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	650 mV	Active	Tube	ROHS3 Compliant
ADM207ARSZ-REEL	Analog Devices Inc.	5/3	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	650 mV	Active	Tape & Reel	ROHS3 Compliant
ADM207EARSZ	Analog Devices Inc.	5/3	230 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	650 mV	Active	Tube	ROHS3 Compliant
ADM207EARSZ-REEL	Analog Devices Inc.	5/3	230 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	650 mV	Active	Tape & Reel	ROHS3 Compliant
ICL3207ECAZ	Renesas Electronics Corporation	5/3	250 kbps	3V ~ 5.5V	0°C ~ 70°C	300 mV	Active	Tube	ROHS3 Compliant
ICL3207ECAZ-T	Renesas Electronics Corporation	5/3	250 kbps	3V ~ 5.5V	0°C ~ 70°C	300 mV	Active	Tape & Reel	ROHS3 Compliant
MAX207CAG+	Analog Devices Inc./Maxim Integrated	5/3	120 kbps	4.75V ~ 5.25V	0°C ~ 70°C	500 mV	Active	Tube	ROHS3 Compliant
MAX207CDB	Texas Instruments	5/3	120 kbps	4.75V ~ 5.25V	0°C ~ 70°C	500 mV	Obsolete	Tube	ROHS3 Compliant
MAX207CDBR	Texas Instruments	5/3	120 kbps	4.75V ~ 5.25V	0°C ~ 70°C	500 mV	Active	Tape & Reel	ROHS3 Compliant
MAX207ECAG+	Analog Devices Inc./Maxim Integrated	5/3	120 kbps	4.75V ~ 5.25V	0°C ~ 70°C	500 mV	Active	Tube	ROHS3 Compliant

Engineering Selection Recommendations

For replacement of the obsolete SP207ECA-L, the following selection criteria apply:

Primary Recommendation (Active Status, Extended Temperature Range): ADM207ARSZ, ADM207ARSZ-REEL, ADM207EARSZ, and ADM207EARSZ-REEL from Analog Devices Inc. are active products with ROHS3 compliance and extended operating temperature range (-40°C to 85°C). The ADM207EARSZ variants offer enhanced data rate performance at 230 kbps. These parts are suitable for both legacy system maintenance and new designs.

Alternative Recommendation (Active Status, Matching Temperature Range): MAX207CAG+ and MAX207ECAG+ from Analog Devices Inc./Maxim Integrated maintain the original operating temperature range (0°C to 70°C) with ROHS3 compliance and active product status. MAX207CDBR from Texas Instruments provides tape and reel packaging with active status.

Extended Supply Voltage Capability: ICL3207ECAZ and ICL3207ECAZ-T from Renesas Electronics Corporation support a lower minimum supply voltage (3V) with higher data rate capability (250 kbps) and ROHS3 compliance. These are suitable for applications requiring lower voltage operation.

Obsolete Status (Not Recommended for New Designs): MAX207CDB remains available but carries obsolete status and should not be selected for new applications.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SP207ECA-L with any of these substitute parts? A: Direct replacement is possible only with parts matching all mandatory parameters: RS232 protocol, 5/3 driver/receiver configuration, full-duplex mode, 24-SSOP package, and surface mount type. Voltage supply range compatibility must be verified for your specific application. ADM207ARSZ and MAX207ECAG+ are closest functional equivalents.

Q: What is the difference between tube and tape & reel packaging? A: Tube packaging is suitable for lower-volume applications and manual assembly. Tape & reel packaging is designed for automated pick-and-place assembly and higher-volume production. Both contain identical die and electrical specifications; packaging choice depends on assembly process requirements.

Q: Why do some parts have higher receiver hysteresis values? A: Receiver hysteresis affects noise immunity and signal threshold behavior. The ADM207 series (650 mV) provides higher hysteresis than the original SP207ECA-L (500 mV), improving noise rejection in electrically noisy environments. The ICL3207 series (300 mV) offers lower hysteresis for faster signal transitions.

Q: Are all substitute parts RoHS3 compliant? A: All active substitute parts listed are ROHS3 compliant. The original SP207ECA-L does not specify RoHS status. RoHS3 compliance is mandatory for new designs in regulated markets.

Q: Which substitute offers the best performance upgrade? A: ADM207EARSZ and ADM207EARSZ-REEL provide the highest data rate (230 kbps) with extended temperature range (-40°C to 85°C) and active product status. ICL3207ECAZ-T offers the highest data rate (250 kbps) with lower minimum supply voltage (3V).

Q: Can I use parts with different operating temperature ranges? A: Yes, if your application operates within the substitute part's temperature range. ADM207 series (-40°C to 85°C) extends beyond the original specification and is suitable for wider environmental conditions. Verify your system's actual operating temperature requirements before selection.

Q: What is the moisture sensitivity level (MSL) and why does it matter? A: MSL indicates how long a component can be stored after moisture absorption before soldering. Lower MSL values (1 = unlimited) are preferable for inventory management. The original SP207ECA-L has MSL 2 (1 year), while most active substitutes have MSL 1 (unlimited), reducing storage constraints.

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