SP3083EEN-L Equivalent & Substitute Parts

Part Overview

The SP3083EEN-L is a 1/1 full-duplex RS422/RS485 transceiver manufactured by MaxLinear, Inc., housed in a 14-SOIC surface mount package. This interface IC operates across a 4.5V to 5.5V supply range with a 500 kbps data rate and supports industrial temperature ranges from -40°C to 85°C. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional and electrical compatibility for new designs or production continuity.

Key Parameters

Parameter	SP3083EEN-L
Manufacturer	MaxLinear, Inc.
Product Status	Obsolete
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	100 mV
Data Rate	500 kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

Substitution of the obsolete SP3083EEN-L is determined by strict equivalence across the following critical parameters:

Core Functional Requirements:

Protocol: RS422/RS485 full-duplex operation
Configuration: 1/1 driver/receiver topology
Receiver Hysteresis: 100 mV
Data Rate: 500 kbps minimum
Package: 14-SOIC form factor

Electrical Compatibility:

Supply Voltage: 4.5V ~ 5.5V (primary requirement) or 4.75V ~ 5.25V (subset, compatible with 5V nominal systems)
Operating Temperature: -40°C ~ 85°C (industrial grade) or 0°C ~ 70°C (commercial grade, subset)

Physical & Environmental:

Surface mount, 14-SOIC package
Moisture Sensitivity Level: 1 (Unlimited) or 2 (1 Year)

All substitute parts listed below are manufactured by Analog Devices Inc./Maxim Integrated under the MAX3083 base product number and maintain active product status with ROHS3 compliance and REACH unaffected certification.

Parameter Comparison

Part Number	Manufacturer	Product Status	Data Rate	Voltage - Supply	Operating Temperature	Package	Packaging Type	Inventory (Pcs)
SP3083EEN-L	MaxLinear, Inc.	Obsolete	500 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	14-SOIC	-	4466
MAX13083EESD+	Analog Devices Inc./Maxim Integrated	Active	250 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	14-SOIC	Tube	2176
MAX3083CSD+	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Tube	2200
MAX3083CSD+T	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Tape & Reel (TR)	775
MAX3083ECSD+	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Tube	1900
MAX3083ECSD+T	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Tape & Reel (TR)	2280
MAX3083EESD+	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	-40°C ~ 85°C	14-SOIC	Tube	2440
MAX3083EESD+T	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	-40°C ~ 85°C	14-SOIC	Tape & Reel (TR)	4899
MAX3083ESD+	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	-40°C ~ 85°C	14-SOIC	Tube	2156
MAX3083ESD+T	Analog Devices Inc./Maxim Integrated	Active	500 kbps	4.75V ~ 5.25V	-40°C ~ 85°C	14-SOIC	Tape & Reel (TR)	2330

Engineering Selection Recommendations

Primary Substitutes for Full Compatibility:

MAX3083EESD+ and MAX3083EESD+T maintain the widest operational envelope, supporting the original -40°C to 85°C industrial temperature range with 500 kbps data rate. Both are active products with ROHS3 compliance. Selection between tube (MAX3083EESD+) and tape & reel (MAX3083EESD+T) packaging depends on assembly process requirements. The tape & reel variant offers higher inventory availability (4899 pcs).

MAX3083ESD+ and MAX3083ESD+T provide identical electrical and thermal specifications to the EESD variants, differing only in packaging format. These are suitable for applications requiring industrial temperature operation with 500 kbps performance.

Secondary Substitutes for Commercial Temperature Applications:

MAX3083ECSD+ and MAX3083ECSD+T operate within 0°C to 70°C commercial temperature range with 500 kbps data rate and 4.75V to 5.25V supply voltage. These are appropriate for non-industrial environments where the reduced temperature specification is acceptable.

MAX3083CSD+ and MAX3083CSD+T are functionally equivalent to the ECSD variants, with packaging as the differentiating factor.

Limited Compatibility:

MAX13083EESD+ supports the original -40°C to 85°C temperature range but operates at 250 kbps data rate, half the original specification. This part is suitable only for applications where reduced bandwidth is acceptable.

All substitute parts are manufactured by Analog Devices Inc./Maxim Integrated and carry active product status with ROHS3 compliance and REACH unaffected certification, ensuring long-term supply availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can MAX3083CSD+ directly replace SP3083EEN-L in all applications?

A: MAX3083CSD+ is electrically compatible but operates within a narrower temperature range (0°C to 70°C commercial versus -40°C to 85°C industrial). Use this substitute only if your application does not require industrial temperature operation. The 500 kbps data rate and 14-SOIC package are fully compatible.

Q: What is the difference between tube and tape & reel packaging?

A: Tube packaging (e.g., MAX3083EESD+) is suitable for manual assembly or lower-volume production. Tape & reel packaging (e.g., MAX3083EESD+T) is optimized for automated pick-and-place assembly. Both contain identical die and electrical specifications; packaging selection depends on manufacturing process.

Q: Is MAX13083EESD+ a suitable replacement?

A: MAX13083EESD+ maintains the -40°C to 85°C industrial temperature range and 4.5V to 5.5V supply voltage of the original part. However, it operates at 250 kbps, which is half the original 500 kbps data rate. Use this part only if your application bandwidth requirement is 250 kbps or lower.

Q: What are the supply voltage differences between substitutes?

A: The original SP3083EEN-L operates at 4.5V to 5.5V. Most MAX3083 variants operate at 4.75V to 5.25V, a narrower range centered on 5V nominal. Both ranges are compatible with standard 5V power supplies. Verify your system's actual supply voltage tolerance before selection.

Q: Which substitute offers the best long-term availability?

A: All substitute parts carry active product status from Analog Devices Inc./Maxim Integrated. MAX3083EESD+T shows the highest current inventory (4899 pcs) and is recommended for new designs requiring industrial temperature operation with 500 kbps performance.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All MAX3083 variants listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

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