SP206CA-L Equivalent & Substitute Parts

Part Overview

The SP206CA-L is a 4/3 full-duplex RS232 transceiver manufactured by MaxLinear, Inc., housed in a 24-SSOP surface mount package. This interface IC is designed for serial communication applications requiring RS232 protocol compliance. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers including Analog Devices Inc., Renesas Electronics Corporation, and Texas Instruments.

Key Parameters

Parameter	SP206CA-L
Manufacturer	MaxLinear, Inc.
Type	Transceiver
Protocol	RS232
Drivers/Receivers	4/3
Duplex	Full
Receiver Hysteresis	500 mV
Data Rate	120 Kbps
Supply Voltage	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Package	24-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS Compliant
MSL Rating	2 (1 Year)
Product Status	Discontinued

Substitute Part Grouping Explanation

Substitution of the SP206CA-L is determined by strict equivalence in the following critical parameters:

Primary Equivalence Criteria:

Protocol: RS232
Package: 24-SSOP (0.209", 5.30mm Width)
Mounting Type: Surface Mount
Drivers/Receivers Configuration: 4/3
Supply Voltage Range: 4.5V ~ 5.5V (minimum overlap requirement)

Secondary Compatibility Parameters:

Receiver Hysteresis: 500 mV (preferred match)
Data Rate: 120 Kbps minimum
Duplex: Full

Substitute parts are grouped into two categories:

Category A - Direct Equivalents (4/3 Configuration): Parts with identical 4/3 driver/receiver configuration, 500 mV hysteresis, and 120 Kbps data rate capability. These include ADM206ARSZ, ADM206ARSZ-REEL, HIN206EIAZ, HIN206EIAZ-T, MAX206EEAG+, and MAX206EEAG+T.

Category B - Functional Alternatives (5/3 Configuration): Parts with enhanced 5/3 driver/receiver configuration. These include MAX207CDB, MAX207CDBR, MAX207IDB, and MAX207IDBR. These parts provide additional driver capability but maintain RS232 protocol, 24-SSOP packaging, and compatible supply voltage ranges.

Parameter Comparison

Part Number	Manufacturer	Drivers/Receivers	Hysteresis	Data Rate	Supply Voltage	Temp Range	Packaging	Status	RoHS	MSL
SP206CA-L	MaxLinear, Inc.	4/3	500 mV	120 Kbps	4.5V ~ 5.5V	0°C ~ 70°C	24-SSOP	Discontinued	RoHS	2
ADM206ARSZ	Analog Devices Inc.	4/3	650 mV	—	4.5V ~ 5.5V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	1
ADM206ARSZ-REEL	Analog Devices Inc.	4/3	650 mV	—	4.5V ~ 5.5V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	1
HIN206EIAZ	Renesas Electronics Corporation	4/3	500 mV	230 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	3
HIN206EIAZ-T	Renesas Electronics Corporation	4/3	500 mV	230 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	3
MAX206EEAG+	Analog Devices Inc./Maxim Integrated	4/3	500 mV	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	1
MAX206EEAG+T	Analog Devices Inc./Maxim Integrated	4/3	500 mV	120 Kbps	4.5V ~ 5.5V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	1
MAX207CDB	Texas Instruments	5/3	500 mV	120 Kbps	4.75V ~ 5.25V	0°C ~ 70°C	24-SSOP	Obsolete	ROHS3	1
MAX207CDBR	Texas Instruments	5/3	500 mV	120 Kbps	4.75V ~ 5.25V	0°C ~ 70°C	24-SSOP	Active	ROHS3	1
MAX207IDB	Texas Instruments	5/3	500 mV	120 Kbps	4.75V ~ 5.25V	-40°C ~ 85°C	24-SSOP	Obsolete	ROHS3	1
MAX207IDBR	Texas Instruments	5/3	500 mV	120 Kbps	4.75V ~ 5.25V	-40°C ~ 85°C	24-SSOP	Active	ROHS3	1

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (4/3 Configuration):

MAX206EEAG+ and MAX206EEAG+T are the preferred substitutes. Both parts maintain identical 4/3 driver/receiver configuration, 500 mV receiver hysteresis, and 120 Kbps data rate matching the SP206CA-L. Both are manufactured by Analog Devices Inc./Maxim Integrated with Active product status and ROHS3 compliance. The extended operating temperature range (-40°C ~ 85°C) and MSL rating of 1 provide superior reliability margins compared to the original part.

HIN206EIAZ and HIN206EIAZ-T from Renesas Electronics Corporation provide equivalent 4/3 configuration with matching 500 mV hysteresis. These parts offer enhanced data rate capability (230 Kbps) and extended temperature range. Both maintain Active status and ROHS3 compliance.

ADM206ARSZ and ADM206ARSZ-REEL from Analog Devices Inc. provide 4/3 configuration with Active status and superior MSL rating (1, Unlimited). The 650 mV receiver hysteresis represents a minor deviation from the original specification but remains within acceptable RS232 transceiver tolerances.

For Applications Requiring Additional Driver Capability (5/3 Configuration):

MAX207CDBR and MAX207IDBR from Texas Instruments provide 5/3 driver/receiver configuration with Active product status. MAX207CDBR maintains the original 0°C ~ 70°C temperature range, while MAX207IDBR extends to -40°C ~ 85°C. Both support 120 Kbps data rate and ROHS3 compliance. The narrower supply voltage range (4.75V ~ 5.25V) requires verification against system power supply specifications.

Frequently Asked Questions (FAQ)

Q: Can MAX207 series parts directly replace SP206CA-L?

A: MAX207 series parts are functionally compatible but not pin-identical. The MAX207 provides 5/3 driver/receiver configuration versus the SP206CA-L's 4/3 configuration. Both maintain RS232 protocol, 24-SSOP packaging, and compatible supply voltage ranges. Application-specific circuit design must accommodate the additional driver output.

Q: What is the significance of receiver hysteresis differences?

A: Receiver hysteresis determines the voltage differential required for input signal transitions. The SP206CA-L specifies 500 mV hysteresis. Substitute parts with 650 mV hysteresis (ADM206ARSZ series) require slightly larger input signal swings but remain within RS232 specification limits. Parts matching 500 mV hysteresis (HIN206EIAZ, MAX206EEAG+) provide direct electrical equivalence.

Q: How do packaging options affect substitution?

A: The SP206CA-L is specified in tube packaging. Substitute parts are available in tube, tape & reel, and cut tape formats. Tape & reel packaging (indicated by -REEL or -T suffixes) is suitable for automated assembly processes. Tube packaging is appropriate for manual assembly or lower-volume applications. Electrical performance is identical across packaging variants of the same base part number.

Q: What is the impact of operating temperature range differences?

A: The SP206CA-L operates from 0°C ~ 70°C. Most substitute parts extend this range to -40°C ~ 85°C, providing enhanced reliability for industrial and automotive applications. Applications limited to 0°C ~ 70°C operation can utilize either specification. Extended temperature range parts do not compromise performance within the original temperature window.

Q: Are all substitute parts RoHS compliant?

A: Yes. The SP206CA-L carries RoHS compliance. All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with RoHS-regulated supply chains and end-use applications.

Q: What does MSL rating indicate for substitution purposes?

A: Moisture Sensitivity Level (MSL) rating specifies storage and handling requirements. The SP206CA-L carries MSL 2 (1 Year). Substitute parts with MSL 1 (Unlimited) provide superior shelf-life stability and reduced risk of moisture-induced failures during extended storage. MSL 3 parts (HIN206EIAZ series) require more stringent moisture control but remain suitable for standard manufacturing environments.

Q: Can I use parts with different data rates?

A: The SP206CA-L specifies 120 Kbps data rate. Substitute parts with higher data rates (HIN206EIAZ at 230 Kbps) are backward compatible and will operate correctly in 120 Kbps applications. Parts with unspecified data rates (ADM206ARSZ series) are functionally equivalent based on RS232 protocol compliance and electrical characteristics.

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