MAX220ESE RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX220ESE is a 2/2 full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, housed in a 16-SOIC surface mount package. This component interfaces between TTL/CMOS logic levels and RS232 signal levels, supporting bidirectional communication at 120 Kbps data rate with 500 mV receiver hysteresis.

The MAX220ESE carries an obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support long-term production requirements for systems utilizing this interface transceiver.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX220ESE
Manufacturer	Analog Devices Inc./Maxim Integrated
Product Category	Interface Transceiver
Protocol	RS232
Type	Transceiver
Number of Drivers/Receivers	2/2
Duplex Mode	Full
Data Rate	120 Kbps
Receiver Hysteresis	500 mV
Supply Voltage Range	4.5V to 5.5V
Operating Temperature Range	-40°C to 85°C
Package Type	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS Non-Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the MAX220ESE are classified based on strict parametric equivalence across the following critical parameters:

Primary Equivalence Criteria:

Protocol: RS232
Type: Transceiver
Number of Drivers/Receivers: 2/2
Duplex Mode: Full
Supply Voltage Range: 4.5V to 5.5V
Operating Temperature Range: -40°C to 85°C
Package Type: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Moisture Sensitivity Level: 1 (Unlimited)

Parametric Equivalent Parts maintain all primary equivalence criteria with identical or compatible electrical specifications. These parts are direct functional replacements with matching pin configurations and performance characteristics.

Manufacturer Recommended Parts meet the primary equivalence criteria but may exhibit enhanced performance specifications (higher data rates, improved receiver hysteresis) or different packaging formats (Cut Tape & Digi-Reel versus Tube). These parts are suitable for substitution where enhanced performance is acceptable or beneficial.

Parameter Comparison

Part Number	Manufacturer	Product Status	Data Rate	Receiver Hysteresis	RoHS Status	Packaging	Inventory (Pcs)
MAX220ESE	Analog Devices Inc./Maxim Integrated	Obsolete	120 Kbps	500 mV	RoHS Non-Compliant	Not Specified	2,100
MAX202EESE+	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	500 mV	ROHS3 Compliant	Tube	3,160
MAX202ESE+	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	500 mV	ROHS3 Compliant	Tube	2,196
MAX220ESE+	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	500 mV	ROHS3 Compliant	Tube	2,240
MAX232EESE+	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	500 mV	ROHS3 Compliant	Tube	54,742
MAX232ESE+	Analog Devices Inc./Maxim Integrated	Active	120 Kbps	500 mV	ROHS3 Compliant	Tube	1,869
ADM202EARNZ	Analog Devices Inc.	Active	230 Kbps	650 mV	ROHS3 Compliant	Tube	7,155
ADM202EARNZ-REEL	Analog Devices Inc.	Active	230 Kbps	650 mV	ROHS3 Compliant	Cut Tape & Digi-Reel	22,200
ADM202EARNZ-REEL7	Analog Devices Inc.	Active	230 Kbps	650 mV	ROHS3 Compliant	Cut Tape & Digi-Reel	50,300
ADM232AARNZ	UMW	Active	120 Kbps	Not Specified	ROHS3 Compliant	Cut Tape & Digi-Reel	2,453
ADM232AARNZ-REEL	Analog Devices Inc.	Active	200 Kbps	400 mV	ROHS3 Compliant	Cut Tape & Digi-Reel	4,793

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

MAX220ESE+ is the primary direct replacement. It maintains all electrical specifications of the original MAX220ESE while offering active product status and ROHS3 compliance. This part is recommended when design specifications require exact parameter matching and RoHS compliance is a requirement.

MAX202EESE+, MAX202ESE+, MAX232EESE+, and MAX232ESE+ are parametric equivalents meeting all primary equivalence criteria. These parts are suitable for substitution in applications where the specific base product number (MAX202 or MAX232 versus MAX220) does not impose design constraints. All offer active product status and ROHS3 compliance.

For Enhanced Performance Applications:

ADM202EARNZ, ADM202EARNZ-REEL, and ADM202EARNZ-REEL7 provide enhanced data rate capability (230 Kbps versus 120 Kbps) and improved receiver hysteresis (650 mV). These parts are suitable for substitution in applications where higher data rates are beneficial or where improved noise immunity is required. All three variants are functionally identical; packaging format (Tube versus Cut Tape & Digi-Reel) determines selection based on procurement and assembly requirements.

For Alternative Sourcing:

ADM232AARNZ (UMW manufacturer) and ADM232AARNZ-REEL (Analog Devices Inc.) provide alternative sourcing options with active product status and ROHS3 compliance. ADM232AARNZ-REEL offers enhanced data rate (200 Kbps) and improved receiver hysteresis (400 mV) compared to the original specification.

Compliance Consideration:

All substitute parts listed carry ROHS3 compliance status, addressing regulatory requirements that the original MAX220ESE (RoHS Non-Compliant) does not meet. Selection of any substitute part satisfies modern RoHS compliance mandates.

Frequently Asked Questions (FAQ)

Q: Can MAX220ESE+ be used as a direct replacement for MAX220ESE?

A: Yes. MAX220ESE+ is a direct parametric equivalent maintaining identical electrical specifications, package type, and pin configuration. The primary difference is active product status and ROHS3 compliance versus the obsolete, non-compliant original part.

Q: What is the difference between MAX202, MAX220, and MAX232 base product numbers?

A: All three base product numbers (MAX202, MAX220, MAX232) are parametric equivalents within this substitution set, sharing identical electrical specifications for the 2/2 full-duplex RS232 transceiver configuration. The base product number designates internal design variants that do not affect functional compatibility in this application context.

Q: Are ADM202EARNZ variants suitable for direct replacement?

A: ADM202EARNZ variants are suitable for substitution with the caveat that they provide enhanced performance specifications. Data rate increases from 120 Kbps to 230 Kbps, and receiver hysteresis increases from 500 mV to 650 mV. These enhancements are backward compatible with applications designed for the original MAX220ESE specifications.

Q: What is the difference between Tube and Cut Tape & Digi-Reel packaging?

A: Tube packaging is used for lower-volume procurement and manual assembly operations. Cut Tape & Digi-Reel packaging is used for automated assembly processes and higher-volume production. Both packaging formats contain identical components; selection depends on assembly methodology and procurement volume requirements.

Q: Does substitution require design validation?

A: Parametric equivalent parts (MAX202EESE+, MAX202ESE+, MAX220ESE+, MAX232EESE+, MAX232ESE+) require no design validation as they maintain all specified electrical and mechanical parameters. Enhanced performance variants (ADM202EARNZ series, ADM232AARNZ-REEL) may be used without design changes as their enhanced specifications are backward compatible with original design requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status. The original MAX220ESE is RoHS Non-Compliant. Substitution with any listed part addresses RoHS compliance requirements.

Q: What inventory levels are available for each substitute part?

A: Inventory levels are provided in the Parameter Comparison table. MAX232EESE+ offers the highest inventory (54,742 Pcs), followed by ADM202EARNZ-REEL7 (50,300 Pcs). Availability should be confirmed with the component supplier for time-sensitive procurement requirements.

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