MAX3483EESA RS422/RS485 Half-Duplex Transceiver Equivalent & Substitute Parts

Part Overview

The MAX3483EESA is a half-duplex RS422/RS485 transceiver interface IC manufactured by Analog Devices Inc./Maxim Integrated in an 8-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The MAX3483EESA operates at 250 kbps data rate with a 3V to 3.6V supply voltage range and supports industrial temperature ranges from -40°C to 85°C. Identifying compatible alternatives ensures design flexibility and supply chain resilience.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX3483EESA
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Interface
Type	Transceiver
Protocol	RS422, RS485
Number of Drivers/Receivers	1/1
Duplex	Half
Receiver Hysteresis	50 mV
Data Rate	250 kbps
Voltage - Supply	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAX3483EESA is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS422/RS485 half-duplex operation
Number of Drivers/Receivers: 1/1 configuration
Duplex Mode: Half-duplex only
Receiver Hysteresis: 50 mV (primary specification)
Voltage Supply Range: 3V ~ 3.6V
Operating Temperature: -40°C ~ 85°C
Package Type: 8-SOIC form factor
Mounting Type: Surface Mount

Substitute parts are grouped into three categories based on their relationship to the main part:

Parametric Equivalents maintain identical electrical specifications and differ only in packaging format or product status. These include MAX3483EESA+, MAX3483ESA+, and ADM3483EARZ-REEL7.

Manufacturer Recommended Alternatives are functionally compatible parts from the same manufacturer family with enhanced specifications or higher data rates. These include ADM3483ARZ-REEL7, ADM3485ARZ, ADM3485ARZ-REEL7, ADM3485EARZ-REEL, ADM3485EARZ-REEL7, and ADM3486EARZ.

Cross-Manufacturer Alternatives provide equivalent functionality from different manufacturers while maintaining core electrical parameters.

Parameter Comparison

Part Number	Manufacturer	Product Status	Protocol	Data Rate	Receiver Hysteresis	Voltage Supply	Operating Temp	Package	RoHS Status	Inventory
MAX3483EESA	Analog Devices Inc./Maxim Integrated	Obsolete	RS422, RS485	250 kbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	RoHS non-compliant	2900 Pcs
MAX3483EESA+	Analog Devices Inc./Maxim Integrated	Active	RS422, RS485	250 kbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	3300 Pcs
MAX3483ESA+	Analog Devices Inc./Maxim Integrated	Active	RS422, RS485	250 kbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	3300 Pcs
ADM3483EARZ-REEL7	Analog Devices Inc.	Active	RS422, RS485	250 kbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	21898 Pcs
ADM3483ARZ-REEL7	Analog Devices Inc.	Active	RS422, RS485	250 kbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	1451 Pcs
ADM3485ARZ	Analog Devices Inc.	Active	RS422, RS485	10 Mbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	1471 Pcs
ADM3485ARZ-REEL7	Analog Devices Inc.	Active	RS422, RS485	10 Mbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	29547 Pcs
ADM3485EARZ	UMW	Active	RS422, RS485	12 Mbps	30 mV	2.97V ~ 3.63V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	3917 Pcs
ADM3485EARZ-REEL	Analog Devices Inc.	Active	RS422, RS485	10 Mbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	26188 Pcs
ADM3485EARZ-REEL7	Analog Devices Inc.	Active	RS422, RS485	10 Mbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	50200 Pcs
ADM3486EARZ	Analog Devices Inc.	Active	RS422, RS485	2.5 Mbps	50 mV	3V ~ 3.6V	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant	2200 Pcs

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): MAX3483EESA+ and MAX3483ESA+ are parametric equivalents with identical electrical performance. Both are ROHS3 compliant and active products, making them suitable for new designs and production continuity. These parts maintain the 250 kbps data rate and 50 mV receiver hysteresis of the original part.

For Enhanced Performance (Higher Data Rates): ADM3485ARZ, ADM3485ARZ-REEL7, ADM3485EARZ-REEL, and ADM3485EARZ-REEL7 offer 10 Mbps data rate capability while maintaining all other electrical parameters. These parts are backward compatible with 250 kbps applications and provide design headroom for future bandwidth requirements. All are ROHS3 compliant and manufactured by Analog Devices Inc.

For Cost-Optimized Selection: ADM3483EARZ-REEL7 provides identical electrical specifications to the original part with the highest inventory availability (21,898 pcs). This part is ROHS3 compliant and active, offering supply security and regulatory compliance.

For Lower Data Rate Applications: ADM3486EARZ operates at 2.5 Mbps and is suitable for applications with reduced bandwidth requirements. This part maintains all other electrical parameters and is ROHS3 compliant.

Compliance Considerations: All recommended substitute parts are ROHS3 compliant, addressing the RoHS non-compliance status of the original MAX3483EESA. Parts from Analog Devices Inc. maintain consistent quality and reliability standards across the product family.

Frequently Asked Questions (FAQ)

Q: Can MAX3483EESA+ be used as a direct replacement for MAX3483EESA? A: Yes. MAX3483EESA+ is a parametric equivalent with identical electrical specifications: 250 kbps data rate, 50 mV receiver hysteresis, 3V to 3.6V supply voltage, and -40°C to 85°C operating temperature. The primary difference is product status (Active vs. Obsolete) and ROHS3 compliance. Both use the 8-SOIC package.

Q: What is the difference between ADM3485ARZ and ADM3483EARZ-REEL7? A: ADM3485ARZ operates at 10 Mbps data rate compared to ADM3483EARZ-REEL7 at 250 kbps. Both maintain 50 mV receiver hysteresis, 3V to 3.6V supply voltage, and -40°C to 85°C operating temperature. ADM3485ARZ is suitable for higher-speed applications while maintaining backward compatibility with lower-speed designs.

Q: Are all substitute parts available in 8-SOIC packaging? A: Yes. All listed substitute parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical and electrical compatibility with existing PCB layouts.

Q: Which substitute part has the highest inventory availability? A: ADM3485EARZ-REEL7 has the highest inventory with 50,200 pcs in stock, followed by ADM3485ARZ-REEL7 with 29,547 pcs. Both are ROHS3 compliant and active products.

Q: Is the ADM3485EARZ from UMW compatible with the MAX3483EESA? A: ADM3485EARZ maintains RS422/RS485 half-duplex operation, 1/1 driver/receiver configuration, and 8-SOIC packaging. However, it specifies 30 mV receiver hysteresis (vs. 50 mV), 12 Mbps data rate (vs. 250 kbps), and 2.97V to 3.63V supply voltage range. These parameter variations require application-level verification before substitution.

Q: What is the significance of the "-REEL7" and "-REEL" packaging designations? A: These designations indicate tape and reel packaging formats for automated assembly. "-REEL7" and "-REEL" are packaging variants of the same electrical part. Selection depends on manufacturing process requirements and inventory management practices.

Q: Can ADM3486EARZ be used in applications designed for MAX3483EESA? A: ADM3486EARZ is suitable for applications with data rates up to 2.5 Mbps. Since MAX3483EESA operates at 250 kbps, ADM3486EARZ provides adequate bandwidth. All other electrical parameters (receiver hysteresis, supply voltage, operating temperature) and mechanical specifications (8-SOIC package) are compatible.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts are ROHS3 compliant, addressing the RoHS non-compliance status of the original MAX3483EESA. This ensures compliance with current environmental and regulatory standards.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message