SP207ECT-L/TR RS232 Transceiver Equivalent & Substitute Parts

Part Overview

The SP207ECT-L/TR is a full-duplex RS232 transceiver manufactured by MaxLinear, Inc., configured with 5 drivers and 3 receivers in a 24-SOIC surface mount package. This component is classified as obsolete, indicating discontinued production and limited availability. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for systems utilizing this interface standard.

Key Parameters

Parameter	SP207ECT-L/TR
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Drivers/Receivers	5/3
Duplex	Full
Package	24-SOIC (0.295", 7.50mm Width)
Receiver Hysteresis	500 mV
Data Rate	230 kbps
Supply Voltage	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitution of the SP207ECT-L/TR is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

RS232 protocol compliance
5 drivers and 3 receivers configuration
Full-duplex operation
24-SOIC package form factor (0.295", 7.50mm Width)
Surface mount mounting type
Supply voltage range: 4.5V ~ 5.5V

Acceptable Variation Parameters:

Receiver hysteresis: 500 mV (SP207ECT-L/TR) to 650 mV (ADM207 series)
Data rate: 120 kbps to 230 kbps
Operating temperature range: 0°C ~ 70°C (SP207ECT-L/TR) to -40°C ~ 85°C (ADM207 series)
Product status: Active substitutes are preferred over obsolete alternatives
Moisture sensitivity level: MSL 1 (Unlimited) is superior to MSL 3 (168 Hours)

Substitute parts are grouped by manufacturer and packaging configuration to facilitate procurement and inventory management.

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Data Rate	Receiver Hysteresis	Supply Voltage	Operating Temperature	Product Status	Packaging	MSL
SP207ECT-L/TR	MaxLinear, Inc.	5/3	230 kbps	500 mV	4.5V ~ 5.5V	0°C ~ 70°C	Obsolete	24-SOIC	3
ADM207ARZ	Analog Devices Inc.	5/3	120 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	24-SOIC	1
ADM207ARZ-REEL	Analog Devices Inc.	5/3	120 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	24-SOIC (TR)	1
ADM207EARZ	Analog Devices Inc.	5/3	230 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	24-SOIC	1
ADM207EARZ-REEL	Analog Devices Inc.	5/3	230 kbps	650 mV	4.5V ~ 5.5V	-40°C ~ 85°C	Active	24-SOIC (TR)	1
MAX207CDW	Texas Instruments	5/3	120 kbps	500 mV	4.75V ~ 5.25V	0°C ~ 70°C	Obsolete	24-SOIC	1
MAX207CDWR	Texas Instruments	5/3	120 kbps	500 mV	4.75V ~ 5.25V	0°C ~ 70°C	Obsolete	24-SOIC (TR)	1
MAX207CWG+	Analog Devices Inc./Maxim Integrated	5/3	120 kbps	500 mV	4.75V ~ 5.25V	0°C ~ 70°C	Active	24-SOIC	1
MAX207CWG+T	Analog Devices Inc./Maxim Integrated	5/3	120 kbps	500 mV	4.75V ~ 5.25V	0°C ~ 70°C	Active	24-SOIC (TR)	1
MAX207ECWG+	Analog Devices Inc./Maxim Integrated	5/3	120 kbps	500 mV	4.75V ~ 5.25V	0°C ~ 70°C	Active	24-SOIC	1
MAX207ECWG+T	Analog Devices Inc./Maxim Integrated	5/3	120 kbps	500 mV	4.75V ~ 5.25V	0°C ~ 70°C	Active	24-SOIC (TR)	1

Engineering Selection Recommendations

Primary Recommendation: ADM207EARZ or ADM207EARZ-REEL

The ADM207EARZ series from Analog Devices Inc. provides the closest functional equivalence to the SP207ECT-L/TR. Both maintain 230 kbps data rate capability, identical 5/3 driver/receiver configuration, and 24-SOIC package compatibility. The ADM207EARZ series offers extended operating temperature range (-40°C ~ 85°C), improved moisture sensitivity level (MSL 1 vs. MSL 3), and active product status ensuring long-term availability. The tape and reel variant (ADM207EARZ-REEL) is suitable for automated assembly processes.

Secondary Recommendation: MAX207CWG+ or MAX207CWG+T

The MAX207CWG+ series from Analog Devices Inc./Maxim Integrated maintains identical receiver hysteresis (500 mV) and operating temperature range (0°C ~ 70°C) as the original part. These components are active products with superior moisture sensitivity (MSL 1). The data rate is reduced to 120 kbps, which is acceptable for applications not requiring 230 kbps throughput. Tape and reel packaging (MAX207CWG+T) is available for production environments.

Alternative Consideration: MAX207ECWG+ or MAX207ECWG+T

The MAX207ECWG+ series provides identical electrical characteristics to MAX207CWG+ with active product status and MSL 1 rating. Selection between MAX207CWG+ and MAX207ECWG+ should be based on specific procurement availability and inventory requirements.

Avoid: MAX207CDW and MAX207CDWR

These Texas Instruments parts are classified as obsolete and offer no supply chain advantage over the original SP207ECT-L/TR. Selection of these alternatives is not recommended for new designs or ongoing production.

Frequently Asked Questions (FAQ)

Q: Can ADM207ARZ be used as a direct substitute for SP207ECT-L/TR?

A: ADM207ARZ is electrically compatible but operates at 120 kbps maximum data rate compared to the SP207ECT-L/TR's 230 kbps capability. This part is suitable only for applications with data rate requirements of 120 kbps or lower. For full-speed operation, ADM207EARZ is the appropriate substitute.

Q: What is the difference between tube and tape & reel packaging?

A: Tube packaging (standard suffix) is suitable for manual assembly and lower-volume production. Tape & reel packaging (TR suffix) is designed for automated pick-and-place assembly equipment and high-volume manufacturing. Both packaging types contain identical die and electrical specifications.

Q: Why does ADM207EARZ have a higher receiver hysteresis (650 mV) than SP207ECT-L/TR (500 mV)?

A: Receiver hysteresis determines the voltage differential required to switch logic states. The 650 mV hysteresis in ADM207EARZ provides improved noise immunity in industrial environments while maintaining RS232 protocol compliance. This parameter difference does not prevent functional substitution in standard RS232 applications.

Q: Is the extended operating temperature range of ADM207EARZ (-40°C ~ 85°C) a concern for replacement?

A: No. The extended temperature range of ADM207EARZ encompasses the original SP207ECT-L/TR operating range (0°C ~ 70°C) and provides additional capability for applications requiring broader temperature operation. This is a performance enhancement, not a limitation.

Q: What does MSL 1 (Unlimited) mean compared to MSL 3 (168 Hours)?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient humidity before soldering. MSL 1 (Unlimited) allows indefinite storage without moisture baking requirements. MSL 3 (168 Hours) requires moisture baking after 168 hours of exposure. ADM207EARZ's MSL 1 rating reduces manufacturing process complexity and storage requirements.

Q: Can MAX207CWG+ be used in applications requiring 230 kbps data rate?

A: No. MAX207CWG+ is rated for 120 kbps maximum data rate. Applications requiring 230 kbps operation must use ADM207EARZ or ADM207EARZ-REEL. Using MAX207CWG+ in high-speed applications will result in data corruption and communication failures.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed (ADM207 series and MAX207 series) are ROHS3 compliant. The original SP207ECT-L/TR compliance status is not specified in available documentation.

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