SP3225ECA-L/TR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP3225ECA-L/TR is a 2/2 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 20-SSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a 3V to 5.5V supply range with a 1Mbps data rate and 500mV receiver hysteresis, designed for industrial and commercial serial communication applications.

Key Parameters

Parameter	SP3225ECA-L/TR Value
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Data Rate	1Mbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Receiver Hysteresis	500 mV
Package / Case	20-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitution for the SP3225ECA-L/TR is determined by the following critical parameters:

Protocol & Configuration: RS232, 2/2 full-duplex transceiver
Package Compatibility: 20-SSOP surface mount form factor
Electrical Specifications: 3V ~ 5.5V supply voltage, 500mV receiver hysteresis
Data Rate: 1Mbps operation capability
Operating Temperature Range: 0°C ~ 70°C minimum requirement
Compliance: RoHS3 compliance and REACH unaffected status

Substitute parts are grouped into two categories:

Category 1 - Direct Functional Equivalents (MFR Recommended): Parts maintaining identical electrical specifications, 1Mbps data rate, and 0°C ~ 70°C operating range from active manufacturers.

Category 2 - Parametric Equivalents: Parts with compatible core specifications but extended temperature ranges or alternative data rates, suitable for applications with relaxed thermal requirements.

Parameter Comparison

Part Number	Manufacturer	Protocol	Drivers/Receivers	Data Rate	Supply Voltage	Operating Temp	Receiver Hysteresis	Package	Product Status	RoHS Status
SP3225ECA-L/TR	MaxLinear, Inc.	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Obsolete	N/A
ICL3224EIAZ	Renesas Electronics	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	Active	ROHS3 Compliant
ICL3224EIAZ-T	Renesas Electronics	RS232	2/2	250kbps	3V ~ 5.5V	-40°C ~ 85°C	500 mV	20-SSOP	Active	ROHS3 Compliant
ICL3225ECAZ	Renesas Electronics	RS232	2/2	250kbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Active	ROHS3 Compliant
ICL3225ECAZ-T	Renesas Electronics	RS232	2/2	250kbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Active	ROHS3 Compliant
MAX3224EAAP/GG8	Analog Devices Inc./Maxim	RS232	2/2	N/A	N/A	N/A	N/A	N/A	Active	N/A
MAX3225CAP+	Analog Devices Inc./Maxim	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Active	ROHS3 Compliant
MAX3225ECAP+	Analog Devices Inc./Maxim	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Active	ROHS3 Compliant
MAX3318ECDBR	Texas Instruments	RS232	2/2	460Kbps	2.25V ~ 3V	0°C ~ 70°C	300 mV	20-SSOP	Last Time Buy	ROHS3 Compliant
MAX3222ECAP+T	Analog Devices Inc./Maxim	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Active	ROHS3 Compliant
MAX3225CAP+T	Analog Devices Inc./Maxim	RS232	2/2	1Mbps	3V ~ 5.5V	0°C ~ 70°C	500 mV	20-SSOP	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents)

MAX3225CAP+ and MAX3225ECAP+ from Analog Devices Inc./Maxim Integrated are the closest functional equivalents. Both maintain 1Mbps data rate, 500mV receiver hysteresis, 3V ~ 5.5V supply voltage, and 0°C ~ 70°C operating temperature identical to the SP3225ECA-L/TR. Both are active products with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), providing superior long-term availability and environmental compliance compared to the obsolete original part.

MAX3222ECAP+T and MAX3225CAP+T offer identical electrical specifications with tape & reel packaging, suitable for high-volume production environments.

Secondary Substitutes (Extended Temperature Range)

ICL3224EIAZ and ICL3224EIAZ-T from Renesas Electronics provide active product status with extended operating temperature range (-40°C ~ 85°C). Data rate is reduced to 250kbps, which remains compatible with legacy RS232 serial communication protocols. These parts are ROHS3 compliant and suitable for applications requiring wider thermal operating margins.

ICL3225ECAZ and ICL3225ECAZ-T maintain the 0°C ~ 70°C operating range with 250kbps data rate and active product status, offering a middle-ground option between the original specifications and extended temperature variants.

Limited Substitutes (Restricted Supply Voltage)

MAX3318ECDBR from Texas Instruments operates at 2.25V ~ 3V supply voltage, narrower than the original 3V ~ 5.5V range. This part is classified as Last Time Buy and features 300mV receiver hysteresis and 460Kbps data rate. Use only when supply voltage constraints align with application requirements.

Frequently Asked Questions (FAQ)

Q: Can ICL3224EIAZ replace SP3225ECA-L/TR directly?

A: ICL3224EIAZ is electrically compatible in terms of RS232 protocol, 2/2 configuration, 500mV hysteresis, and 3V ~ 5.5V supply voltage. The data rate is reduced from 1Mbps to 250kbps, which is acceptable for standard RS232 serial communication. Operating temperature extends to -40°C ~ 85°C versus the original 0°C ~ 70°C. Verify application data rate requirements before selection.

Q: What is the difference between MAX3225CAP+ and MAX3225CAP+T?

A: Both parts are electrically identical with 1Mbps data rate, 500mV hysteresis, and 0°C ~ 70°C operating range. The suffix "+T" indicates tape & reel packaging for automated assembly, while "+" indicates tube packaging. Select based on production assembly method and volume requirements.

Q: Why is MAX3318ECDBR listed as a substitute if the supply voltage is different?

A: MAX3318ECDBR operates at 2.25V ~ 3.0V, which does not overlap the original 3V ~ 5.5V range. This part is included for applications where supply voltage is constrained to the lower range. It is not a direct substitute for standard 3V ~ 5.5V designs.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed (Renesas ICL32xx series, Analog Devices MAX32xx series) are ROHS3 compliant. MAX3318ECDBR is also ROHS3 compliant but carries Last Time Buy status. The original SP3225ECA-L/TR is obsolete and RoHS status is not specified.

Q: What packaging options are available for the MAX3225 series?

A: MAX3225CAP+ is supplied in tube packaging. MAX3225CAP+T is supplied in tape & reel format. Both maintain identical electrical specifications and 20-SSOP form factor. Select based on assembly equipment compatibility and production volume.

Q: Can I use ICL3225ECAZ-T instead of ICL3225ECAZ?

A: Yes. Both parts are electrically identical with 250kbps data rate, 500mV hysteresis, and 0°C ~ 70°C operating range. The "-T" suffix indicates cut tape and Digi-Reel packaging versus tube packaging. Selection depends on assembly process requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message