MAX213EEAI RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX213EEAI is a full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, configured with 4 drivers and 5 receivers in a 28-SSOP surface mount package. This component is classified as obsolete, which necessitates identification of active equivalent and substitute parts for new designs or production continuity. The MAX213EEAI operates across the industrial temperature range of -40°C to 85°C with a 4.5V to 5.5V supply voltage and supports data rates up to 120 kbps.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX213EEAI
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Interface
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	4/5
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	28-SSOP (0.209", 5.30mm Width)
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAX213EEAI is determined by strict equivalence across the following critical parameters:

Protocol: RS232
Number of Drivers/Receivers: 4/5 configuration
Duplex Mode: Full
Receiver Hysteresis: 500 mV (primary criterion)
Data Rate: 120 kbps minimum
Voltage Supply Range: 4.5V ~ 5.5V
Operating Temperature Range: -40°C ~ 85°C
Package Type: 28-SSOP
Mounting Type: Surface Mount

Substitute parts are classified into three categories:

Parametric Equivalents (Active Status): Parts matching all electrical and mechanical parameters with current product status, enabling direct replacement in new designs.

Direct Manufacturer Equivalents (Obsolete Status): Parts with identical specifications but obsolete status, suitable for legacy system maintenance.

Manufacturer Recommended Alternatives: Parts with minor parameter variations (receiver hysteresis or data rate) that maintain functional compatibility within the RS232 interface specification.

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Receiver Hysteresis	Data Rate	Supply Voltage	Operating Temp	Package	Product Status	RoHS Status
MAX213EEAI	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Obsolete	RoHS non-compliant
MAX211EAI+	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
MAX211EEAI+	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
MAX213EAI+	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
MAX213EEAI+	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
MAX241EAI+	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
MAX241EEAI+	Analog Devices Inc./Maxim Integrated	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
MAX213IDBR	Texas Instruments	4/5	500 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Obsolete	ROHS3 Compliant
ADM213ARSZ	Analog Devices Inc.	4/5	650 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
ADM213ARSZ-REEL	Analog Devices Inc.	4/5	650 mV	120 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant
ADM213EARSZ	Analog Devices Inc.	4/5	650 mV	230 kbps	4.5V ~ 5.5V	-40°C ~ 85°C	28-SSOP	Active	ROHS3 Compliant

Engineering Selection Recommendations

For New Designs with RoHS Compliance Requirements:

Select MAX213EEAI+, MAX211EAI+, MAX211EEAI+, MAX241EAI+, or MAX241EEAI+ from Analog Devices Inc./Maxim Integrated. These parts maintain full parametric equivalence to the MAX213EEAI while offering ROHS3 compliance and active product status, ensuring long-term availability and regulatory alignment.

For Legacy System Maintenance (Obsolete Status Acceptable):

MAX213IDBR from Texas Instruments provides direct parametric equivalence with ROHS3 compliance, suitable for repair and maintenance of existing installations where product status is not a constraint.

For Applications Tolerating Increased Receiver Hysteresis:

ADM213ARSZ and ADM213ARSZ-REEL offer 650 mV receiver hysteresis with active status and ROHS3 compliance. These parts maintain all other electrical parameters and are suitable for applications where the increased hysteresis margin does not impact signal integrity.

For High-Speed RS232 Applications:

ADM213EARSZ supports 230 kbps data rate while maintaining 650 mV receiver hysteresis, active status, and ROHS3 compliance. This part accommodates applications requiring higher data throughput within the RS232 protocol specification.

Frequently Asked Questions (FAQ)

Q: Can MAX213EEAI be directly replaced with MAX213EEAI+?

A: Yes. MAX213EEAI+ is a parametric equivalent with identical electrical specifications (4/5 drivers/receivers, 500 mV hysteresis, 120 kbps data rate, 28-SSOP package) and active product status with ROHS3 compliance. The "+" suffix indicates improved manufacturing process and compliance certifications.

Q: What is the difference between MAX213EEAI and MAX211EAI+?

A: Both parts share identical electrical parameters and package specifications. The primary difference is the base product number (MAX213 versus MAX211), which reflects different design generations from Analog Devices Inc./Maxim Integrated. Both are functionally equivalent for RS232 transceiver applications.

Q: Why do ADM213ARSZ parts have 650 mV receiver hysteresis instead of 500 mV?

A: ADM213ARSZ represents an alternative design from Analog Devices Inc. with increased receiver hysteresis. This higher threshold provides greater noise immunity in noisy environments while maintaining RS232 protocol compliance. Selection depends on application noise characteristics.

Q: Is MAX213IDBR from Texas Instruments compatible with the MAX213EEAI?

A: Yes. MAX213IDBR maintains identical electrical specifications and 28-SSOP package configuration. However, it carries obsolete product status. It is suitable for legacy system maintenance but not recommended for new designs.

Q: Can ADM213EARSZ be used in applications designed for MAX213EEAI?

A: ADM213EARSZ is functionally compatible with 650 mV receiver hysteresis and 230 kbps data rate capability. Applications designed for 120 kbps operation will function correctly, as the higher data rate specification is backward compatible. The increased hysteresis may improve performance in noise-sensitive environments.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in Tube and Tape & Reel (TR) packaging. ADM213ARSZ-REEL is specifically packaged in Tape & Reel format for high-volume production. Selection depends on assembly process requirements and order quantities.

Q: Are all substitute parts RoHS compliant?

A: All active substitute parts listed (MAX211EAI+, MAX211EEAI+, MAX213EAI+, MAX213EEAI+, MAX241EAI+, MAX241EEAI+, ADM213ARSZ, ADM213ARSZ-REEL, ADM213EARSZ) are ROHS3 compliant. The original MAX213EEAI is RoHS non-compliant, making active substitutes necessary for regulatory compliance in new designs.

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