MAX220CPE+ RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The MAX220CPE+ is a full-duplex RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated, designed for serial communication applications requiring 2/2 driver/receiver configuration. This 16-DIP through-hole component operates within the 4.5V to 5.5V supply range and supports data rates up to 120 Kbps. The part is currently active in production with 866 units in stock. Equivalent and substitute parts are identified when design flexibility, inventory availability, or performance optimization requires alternative component selection while maintaining functional compatibility within RS232 interface specifications.

Key Parameters

Parameter	Value
Manufacturer Part Number	MAX220CPE+
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Interface
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	2/2
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 Kbps
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole
Package / Case	16-DIP (0.300", 7.62mm)
Supplier Device Package	16-PDIP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the MAX220CPE+ is determined by strict adherence to the following critical parameters:

Primary Substitution Criteria:

Protocol: RS232
Number of Drivers/Receivers: 2/2
Duplex: Full
Mounting Type: Through Hole
Package / Case: 16-DIP (0.300", 7.62mm)
Supplier Device Package: 16-PDIP
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

Parametric Equivalents share all primary substitution criteria with identical electrical and mechanical specifications. These parts are direct functional replacements within the same performance envelope.

Manufacturer Recommended Alternatives meet all primary substitution criteria but may exhibit variations in secondary parameters such as receiver hysteresis or data rate specifications. These parts are approved by the manufacturer as suitable alternatives for the MAX220CPE+ in RS232 interface applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Protocol	Drivers/Receivers	Receiver Hysteresis	Data Rate	Supply Voltage	Operating Temp	Package	Inventory (Pcs)
MAX220CPE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	866
MAX202CPE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	16840
MAX202ECPE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	19015
MAX232CPE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	17304
MAX232ECPE+	Analog Devices Inc./Maxim Integrated	RS232	2/2	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	1633
ADM202JNZ	Analog Devices Inc.	RS232	2/2	400 mV	—	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	3600
ADM232LJNZ	Analog Devices Inc.	RS232	2/2	650 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	5140
LT1081CN#PBF	Analog Devices Inc.	RS232	2/2	400 mV	250 KBd	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	2148
LT1781CN#PBF	Analog Devices Inc.	RS232	2/2	400 mV	250 KBd	4.5V ~ 5.5V	0°C ~ 70°C	16-DIP	2680
LTC1383CN#PBF	Analog Devices Inc.	RS232	2/2	400 mV	120 KBd	4.5V ~ 5V	0°C ~ 70°C	16-DIP	1150

Engineering Selection Recommendations

Parametric Equivalents (MAX202CPE+, MAX202ECPE+, MAX232CPE+, MAX232ECPE+): These parts maintain identical electrical specifications and package configuration as the MAX220CPE+. All are ROHS3 compliant, REACH unaffected, and carry MSL 1 rating. Selection among these equivalents is based on inventory availability and procurement lead time. MAX202CPE+ and MAX202ECPE+ offer the highest inventory levels (16840 and 19015 units respectively), providing supply chain flexibility.

Manufacturer Recommended Alternatives (ADM202JNZ, ADM232LJNZ, LT1081CN#PBF, LT1781CN#PBF, LTC1383CN#PBF): These parts are approved by Analog Devices as functional alternatives within RS232 transceiver applications. All maintain the required 2/2 driver/receiver configuration, 16-DIP package, and 4.5V to 5.5V supply voltage range. Receiver hysteresis variations (400 mV to 650 mV) and data rate differences (120 KBd to 250 KBd) do not preclude substitution when application requirements fall within these performance envelopes. All alternatives maintain ROHS3 compliance and REACH unaffected status. LTC1383CN#PBF operates within a slightly reduced supply voltage range (4.5V ~ 5V) and should be evaluated for applications requiring the full 5.5V upper limit.

Frequently Asked Questions (FAQ)

Q: Can MAX202CPE+ directly replace MAX220CPE+ in existing designs? A: Yes. MAX202CPE+ is a parametric equivalent sharing all critical electrical and mechanical specifications with MAX220CPE+. No design modifications are required for direct substitution in 16-DIP through-hole applications.

Q: What is the difference between parametric equivalents and manufacturer recommended alternatives? A: Parametric equivalents (MAX202, MAX232 series) maintain identical specifications across all measured parameters. Manufacturer recommended alternatives (ADM202, ADM232, LT1081, LT1781, LTC1383 series) meet primary substitution criteria but may exhibit variations in receiver hysteresis or data rate. Both categories are functionally compatible within RS232 interface specifications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the environmental certification of MAX220CPE+.

Q: Does receiver hysteresis variation affect substitution compatibility? A: Receiver hysteresis variations (400 mV to 650 mV across the substitute list) do not preclude substitution. Selection should be based on application noise immunity requirements. The MAX220CPE+ specification of 500 mV represents a mid-range value; alternatives with 400 mV or 650 mV hysteresis remain functionally compatible within standard RS232 communication protocols.

Q: Can parts with higher data rates (250 KBd) substitute for MAX220CPE+ (120 Kbps)? A: Yes. LT1081CN#PBF and LT1781CN#PBF support 250 KBd data rates, exceeding the MAX220CPE+ specification of 120 Kbps. Higher data rate capability does not prevent substitution in applications operating at or below 120 Kbps.

Q: Is the LTC1383CN#PBF supply voltage range (4.5V ~ 5V) a limitation? A: LTC1383CN#PBF operates within 4.5V to 5V, compared to MAX220CPE+ specification of 4.5V to 5.5V. This part is suitable for applications where supply voltage does not exceed 5V. For designs requiring operation at 5.5V, alternative parts with the full 4.5V to 5.5V range should be selected.

Q: What inventory considerations apply to substitute selection? A: MAX202ECPE+ (19015 units) and MAX202CPE+ (16840 units) offer the highest inventory availability. These parametric equivalents provide optimal supply chain flexibility for immediate procurement requirements.

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