SP211EET-L RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP211EET-L is a full-duplex RS232 transceiver manufactured by MaxLinear, Inc., featuring 4 drivers and 5 receivers in a 28-SOIC surface mount package. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing system support and new designs. The SP211EET-L operates across the industrial temperature range (-40°C to 85°C) with a 230 kbps data rate and 500 mV receiver hysteresis, suitable for legacy communication interface applications.

Key Parameters

Parameter	SP211EET-L
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Drivers/Receivers	4/5
Duplex	Full
Data Rate	230 kbps
Receiver Hysteresis	500 mV
Supply Voltage	4.5V – 5.5V
Operating Temperature	-40°C to 85°C
Package	28-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS Compliant
MSL Rating	3 (168 Hours)
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution eligibility for the SP211EET-L is determined by the following critical parameters:

Primary Compatibility Criteria:

Protocol: RS232
Drivers/Receivers: 4/5 configuration
Duplex: Full
Package: 28-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
Supply Voltage Range: 4.5V – 5.5V (minimum overlap requirement)
Operating Temperature: Must support -40°C to 85°C range

Secondary Considerations:

Data Rate: 230 kbps (SP211EET-L baseline; lower rates acceptable for backward compatibility)
Receiver Hysteresis: 500 mV (SP211EET-L baseline; variations acceptable within RS232 specification)
RoHS Compliance: Required for modern supply chains
Product Status: Active status preferred for long-term availability

Substitute parts are grouped by manufacturer and packaging configuration (Tube vs. Tape & Reel) while maintaining identical electrical and mechanical specifications.

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Data Rate	Receiver Hysteresis	Supply Voltage	Operating Temperature	Package	Product Status	RoHS Status
SP211EET-L	MaxLinear, Inc.	4/5	230 kbps	500 mV	4.5V – 5.5V	-40°C to 85°C	28-SOIC	Discontinued	RoHS Compliant
ADM211ARZ	Analog Devices Inc.	4/5	120 kbps	650 mV	4.5V – 5.5V	-40°C to 85°C	28-SOIC	Active	ROHS3 Compliant
ADM211ARZ-REEL	Analog Devices Inc.	4/5	120 kbps	650 mV	4.5V – 5.5V	-40°C to 85°C	28-SOIC	Active	ROHS3 Compliant
ADM211EARZ	Analog Devices Inc.	4/5	120 kbps	650 mV	4.5V – 5.5V	-40°C to 85°C	28-SOIC	Active	ROHS3 Compliant
ADM211EARZ-REEL	Analog Devices Inc.	4/5	120 kbps	650 mV	4.5V – 5.5V	-40°C to 85°C	28-SOIC	Active	ROHS3 Compliant
ADM241LARZ	Analog Devices Inc.	4/5	120 kbps	650 mV	4.75V – 5.25V	-40°C to 85°C	28-SOIC	Active	ROHS3 Compliant
ADM241LARZ-REEL	Analog Devices Inc.	4/5	120 kbps	650 mV	4.75V – 5.25V	-40°C to 85°C	28-SOIC	Active	ROHS3 Compliant
ADM241LJRZ	Analog Devices Inc.	4/5	120 kbps	650 mV	4.75V – 5.25V	0°C to 70°C	28-SOIC	Active	ROHS3 Compliant
ADM241LJRZ-REEL	Analog Devices Inc.	4/5	120 kbps	650 mV	4.75V – 5.25V	0°C to 70°C	28-SOIC	Active	ROHS3 Compliant
HIN211ECBZ	Renesas Electronics Corporation	4/5	230 kbps	500 mV	4.5V – 5.5V	0°C to 70°C	28-SOIC	Active	ROHS3 Compliant
HIN211ECBZ-T	Renesas Electronics Corporation	4/5	230 kbps	500 mV	4.5V – 5.5V	0°C to 70°C	28-SOIC	Active	ROHS3 Compliant

Engineering Selection Recommendations

Tier 1 Substitutes (Highest Compatibility):

HIN211ECBZ and HIN211ECBZ-T (Renesas Electronics Corporation) provide the closest electrical match to the SP211EET-L, maintaining identical data rate (230 kbps) and receiver hysteresis (500 mV) specifications. Both parts are active products with ROHS3 compliance. The primary difference is operating temperature range: HIN211 variants support 0°C to 70°C versus SP211EET-L's -40°C to 85°C. Selection between tube (HIN211ECBZ) and tape & reel (HIN211ECBZ-T) packaging depends on procurement volume and assembly requirements.

Tier 2 Substitutes (Functional Equivalents):

ADM211 series parts (ADM211ARZ, ADM211ARZ-REEL, ADM211EARZ, ADM211EARZ-REEL) from Analog Devices Inc. maintain full 4/5 driver/receiver configuration and 28-SOIC packaging with identical supply voltage range (4.5V – 5.5V) and operating temperature (-40°C to 85°C). These parts operate at 120 kbps data rate with 650 mV receiver hysteresis, both within RS232 specification tolerances. All variants are active products with ROHS3 compliance and superior moisture sensitivity (MSL 1 vs. MSL 3).

Tier 3 Substitutes (Temperature-Restricted):

ADM241L series parts (ADM241LARZ, ADM241LARZ-REEL, ADM241LJRZ, ADM241LJRZ-REEL) are suitable only for applications not requiring the full -40°C to 85°C industrial temperature range. ADM241LARZ variants support -40°C to 85°C but with narrower supply voltage (4.75V – 5.25V). ADM241LJRZ variants are limited to 0°C to 70°C operating temperature. All maintain 4/5 configuration, 28-SOIC package, and ROHS3 compliance.

Packaging Selection:

Tube packaging (no suffix or -Z suffix) is appropriate for lower-volume applications and manual assembly. Tape & Reel packaging (-REEL or -T suffix) is required for high-volume automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can ADM211 series parts directly replace SP211EET-L in existing designs?

A: ADM211 parts are functionally equivalent for RS232 communication applications. The 120 kbps data rate is lower than SP211EET-L's 230 kbps, but both operate within RS232 protocol specifications. The 650 mV receiver hysteresis on ADM211 versus 500 mV on SP211EET-L represents a minor variation acceptable within RS232 standards. Electrical compatibility is confirmed by identical 4/5 driver/receiver configuration, 28-SOIC package, and 4.5V – 5.5V supply voltage range.

Q: What is the difference between HIN211ECBZ and HIN211ECBZ-T?

A: Both parts are electrically identical. HIN211ECBZ is supplied in tube packaging for lower-volume or manual assembly applications. HIN211ECBZ-T is supplied in tape & reel format for automated pick-and-place assembly. Selection depends on production volume and assembly equipment capability.

Q: Why do some substitutes have narrower supply voltage ranges?

A: ADM241L series parts specify 4.75V – 5.25V versus the SP211EET-L's 4.5V – 5.5V. This narrower range still accommodates standard 5V supply systems but may not be suitable for applications with loose voltage regulation. Verify your system's supply voltage tolerance before selecting ADM241L variants.

Q: Are all substitute parts RoHS compliant?

A: Yes. SP211EET-L is RoHS Compliant. All listed substitutes carry ROHS3 Compliant certification, meeting current environmental and regulatory requirements for electronic components.

Q: What does MSL rating mean, and why does it differ between parts?

A: Moisture Sensitivity Level (MSL) indicates how long a component can be exposed to ambient humidity before soldering. SP211EET-L and HIN211 variants have MSL 3 (168 hours maximum). ADM211 and ADM241 variants have MSL 1 (unlimited storage). Lower MSL ratings provide greater flexibility in supply chain handling and storage.

Q: Can I use ADM241LJRZ in an application requiring -40°C operation?

A: No. ADM241LJRZ is rated for 0°C to 70°C operating temperature only. For applications requiring -40°C to 85°C operation, use ADM211EARZ, ADM211ARZ, HIN211ECBZ, or HIN211ECBZ-T instead.

Q: What is the difference between ADM211ARZ and ADM211EARZ?

A: Both parts are electrically identical 4/5 RS232 transceivers in 28-SOIC packaging with 120 kbps data rate and 4.5V – 5.5V supply voltage. The designation difference reflects internal Analog Devices product line segmentation but does not affect functional compatibility or performance characteristics.

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