SP211EHCA-L/TR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP211EHCA-L/TR is a 4/5 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 28-SSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates within a 4.5V to 5.5V supply range with a 480 Kbps data rate and 500 mV receiver hysteresis, designed for industrial and commercial RS232 communication applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	SP211EHCA-L/TR
Manufacturer	MaxLinear, Inc.
Product Category	Interface / Transceiver
Protocol	RS232
Type	Transceiver
Number of Drivers/Receivers	4/5
Duplex Mode	Full
Receiver Hysteresis	500 mV
Data Rate	480 Kbps
Voltage Supply Range	4.5V ~ 5.5V
Operating Temperature Range	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	28-SSOP (0.209", 5.30mm Width)
Moisture Sensitivity Level (MSL)	2 (1 Year)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the SP211EHCA-L/TR is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Protocol: RS232
Type: Transceiver
Number of Drivers/Receivers: 4/5
Duplex Mode: Full
Voltage Supply Range: 4.5V ~ 5.5V (minimum overlap required)
Mounting Type: Surface Mount
Package / Case: 28-SSOP or 28-TSSOP (pin-compatible packages)

Secondary Compatibility Factors:

Receiver Hysteresis: 500 mV (SP213EHCA-L/TR) or 650 mV (ADM211 and ADM241 series)
Data Rate: 480 Kbps (SP211EHCA-L/TR) or 120 Kbps (ADM211 and ADM241 series)
Operating Temperature Range: 0°C ~ 70°C (original) or -40°C ~ 85°C (extended range alternatives)

Substitute parts are grouped into two categories: parametric equivalents (SP213EHCA-L/TR from MaxLinear) and manufacturer-recommended alternatives (ADM211 and ADM241 series from Analog Devices Inc.). All substitute parts maintain the core RS232 transceiver functionality with 4/5 driver/receiver configuration and full-duplex operation.

Parameter Comparison

Parameter	SP211EHCA-L/TR	SP213EHCA-L/TR	ADM211ARSZ	ADM211EARSZ	ADM241LARSZ
Manufacturer	MaxLinear, Inc.	MaxLinear, Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Product Status	Obsolete	Active	Active	Active	Active
Protocol	RS232	RS232	RS232	RS232	RS232
Number of Drivers/Receivers	4/5	4/5	4/5	4/5	4/5
Duplex Mode	Full	Full	Full	Full	Full
Receiver Hysteresis	500 mV	500 mV	650 mV	650 mV	650 mV
Data Rate	480 Kbps	480 Kbps	120 Kbps	120 Kbps	120 Kbps
Voltage Supply Range	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.75V ~ 5.25V
Operating Temperature Range	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	28-SSOP	28-SSOP	28-SSOP	28-SSOP	28-SSOP
RoHS Status	Not specified	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	2 (1 Year)	2 (1 Year)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalent (Same Manufacturer): SP213EHCA-L/TR from MaxLinear, Inc. is the direct parametric equivalent, maintaining identical electrical specifications (500 mV hysteresis, 480 Kbps data rate, 4.5V ~ 5.5V supply) and package configuration. This part carries Active product status with RoHS compliance and improved MSL rating, making it the preferred choice for direct replacement in existing designs.

Manufacturer-Recommended Alternatives (Analog Devices Inc.): The ADM211 and ADM241 series from Analog Devices Inc. are manufacturer-recommended substitutes with Active product status and ROHS3 compliance. These parts maintain core RS232 transceiver functionality with identical driver/receiver configuration and full-duplex operation. Key differences include extended operating temperature range (-40°C ~ 85°C), improved MSL rating (1, Unlimited), and REACH compliance certification. The ADM211ARSZ, ADM211EARSZ, and ADM241LARSZ variants are available in 28-SSOP packaging with multiple packaging options (Tube, Tape & Reel, Cut Tape & Digi-Reel).

Package Variant Consideration: ADM211EARUZ and ADM211EARUZ-REEL variants are available in 28-TSSOP packaging (0.173", 4.40mm Width), which differs from the original 28-SSOP package. These are suitable only for new designs or applications where PCB layout permits the narrower package footprint.

Supply Voltage Consideration: ADM241LARSZ operates within a narrower supply range (4.75V ~ 5.25V) compared to the original part (4.5V ~ 5.5V). This variant is suitable for applications with tightly regulated 5V supplies.

Frequently Asked Questions (FAQ)

Q: Can SP213EHCA-L/TR directly replace SP211EHCA-L/TR? A: Yes. SP213EHCA-L/TR is a parametric equivalent with identical electrical specifications and 28-SSOP package. It maintains 500 mV receiver hysteresis, 480 Kbps data rate, and 4.5V ~ 5.5V supply range. The primary advantage is Active product status and improved compliance certifications.

Q: What are the key differences between ADM211 and ADM241 series substitutes? A: Both series maintain 4/5 RS232 transceiver functionality with full-duplex operation. ADM241LARSZ operates within a narrower supply voltage range (4.75V ~ 5.25V) compared to ADM211 variants (4.5V ~ 5.5V). Both offer extended operating temperature range (-40°C ~ 85°C) and improved MSL ratings compared to the original part.

Q: Are 28-TSSOP package variants (ADM211EARUZ) compatible with 28-SSOP PCB layouts? A: No. 28-TSSOP (0.173", 4.40mm Width) and 28-SSOP (0.209", 5.30mm Width) are different package footprints. ADM211EARUZ variants are suitable only for new designs or applications where PCB layout accommodates the narrower package width.

Q: What is the significance of the receiver hysteresis difference (500 mV vs. 650 mV)? A: Receiver hysteresis affects noise immunity and signal transition characteristics. SP211EHCA-L/TR and SP213EHCA-L/TR both specify 500 mV hysteresis. ADM211 and ADM241 series specify 650 mV hysteresis, providing enhanced noise immunity in electrically noisy environments. This difference does not prevent substitution in standard RS232 applications.

Q: Does the data rate difference (480 Kbps vs. 120 Kbps) affect substitution suitability? A: The original SP211EHCA-L/TR supports 480 Kbps data rate, while ADM211 and ADM241 series support 120 Kbps. For applications operating at or below 120 Kbps, substitution is suitable. Applications requiring higher data rates should use SP213EHCA-L/TR or verify that the lower rated data rate does not impact system performance.

Q: What compliance advantages do the substitute parts offer? A: ADM211 and ADM241 series carry ROHS3 compliance and REACH certification (REACH Unaffected status). SP213EHCA-L/TR carries RoHS compliance. All substitute parts have improved MSL ratings (1, Unlimited) compared to the original part (2, 1 Year), reducing moisture-related reliability concerns during storage and handling.

Q: Are there packaging format options for substitute parts? A: Yes. ADM211 and ADM241 series are available in multiple packaging formats: Tube, Tape & Reel (TR), and Cut Tape & Digi-Reel. SP213EHCA-L/TR packaging format is not specified in the provided data. Select packaging format based on assembly process requirements and inventory management practices.

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