SP706SCU-L Equivalent & Substitute Parts

Part Overview

The SP706SCU-L is a single-channel power management supervisor IC manufactured by MaxLinear, Inc., designed for power-on reset and voltage monitoring applications. This device is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing production and maintenance requirements. The SP706SCU-L operates as a simple reset supervisor with active-low output, monitoring a single voltage threshold at 2.93V with a 140ms minimum reset timeout.

Substiute Parts

SP706SCU-L

MaxLinear, Inc.In Stock: 2578SP706SCU-L Datasheet

Current PartRFQ

DS1706SEUA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2603DS1706SEUA+ Datasheet

MFR RecommendedRFQ

MAX706SCUA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1010MAX706SCUA+ Datasheet

MFR RecommendedRFQ

MAX706SCUA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 759MAX706SCUA+T Datasheet

MFR RecommendedRFQ

MAX706SEUA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1987MAX706SEUA+ Datasheet

MFR RecommendedRFQ

MAX706SEUA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 7971MAX706SEUA+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SP706SCU-L is determined by the following critical parameters:

• Voltage Threshold: 2.93V (must match exactly)
• Reset Type: Active Low (must match)
• Reset Timeout: 140ms Minimum (must match or exceed)
• Number of Voltages Monitored: 1 Channel (must match)
• Package / Case: 8-TSSOP, 8-MSOP form factor (must match)
• Mounting Type: Surface Mount (must match)
• Moisture Sensitivity Level: 1 (Unlimited) (must match)

All substitute parts listed maintain these core electrical and mechanical parameters. Differences in operating temperature range, output type (push-pull vs. open-drain), and product status are noted but do not prevent functional substitution when thermal requirements are compatible.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain functional equivalence to the SP706SCU-L based on core electrical parameters: 2.93V threshold, active-low reset, 1-channel monitoring, and identical package form factor. Selection among substitutes should be based on the following criteria:

For Standard Industrial Applications (0°C ~ 70°C): MAX706SCUA+ and MAX706SCUA+T are direct functional replacements with matching operating temperature range. MAX706SCUA+T is supplied in Tape & Reel packaging for high-volume production; MAX706SCUA+ is supplied in Tube packaging for lower-volume requirements.

For Extended Temperature Range Applications (-40°C ~ 85°C): DS1706SEUA+, MAX706SEUA+, and MAX706SEUA+T extend the operating temperature range and are suitable for industrial and automotive environments. DS1706SEUA+ is the MicroMonitor™ series variant from Analog Devices. MAX706SEUA+T supports extended temperature with Tape & Reel packaging; MAX706SEUA+ is supplied in Tube packaging.

Output Configuration Consideration: All substitute parts feature push-pull, totem-pole output stages, which differ from the SP706SCU-L's implied open-drain configuration. This provides improved drive capability and faster switching characteristics in most applications.

Reset Timeout: DS1706SEUA+ specifies 130ms minimum reset timeout, which is 10ms shorter than the SP706SCU-L's 140ms specification. This difference is acceptable for most applications but should be verified against circuit timing requirements.

Compliance and Availability: All substitute parts are RoHS3 compliant and currently active in production. Inventory availability varies; MAX706SEUA+T offers the highest stock level (7,900 units).

Frequently Asked Questions (FAQ)

Q: Can I substitute the SP706SCU-L with any of these parts directly on the PCB?

A: Yes, all listed parts are pin-compatible and functionally equivalent within the specified parameters. The 8-TSSOP, 8-MSOP package form factor is identical across all parts. However, verify that your circuit design accommodates the push-pull output stage of the substitute parts if the original design relied on open-drain characteristics.

Q: What is the difference between the MAX706 and DS1706 series?

A: Both series meet the core substitution criteria for the SP706SCU-L. The DS1706SEUA+ is part of Analog Devices' MicroMonitor™ series. The primary difference is manufacturer lineage; both are functionally equivalent at the 2.93V threshold with active-low reset and 1-channel monitoring.

Q: Does the operating temperature range affect substitution?

A: The SP706SCU-L operates at 0°C ~ 70°C. Substitute parts with extended temperature ranges (-40°C ~ 85°C) are fully compatible and provide additional margin for harsh environments. If your application requires only 0°C ~ 70°C operation, MAX706SCUA+ and MAX706SCUA+T are appropriate selections. Extended-range parts do not introduce incompatibility.

Q: What is the significance of the reset timeout difference in DS1706SEUA+?

A: DS1706SEUA+ specifies 130ms minimum reset timeout versus the SP706SCU-L's 140ms. This 10ms difference is typically negligible in power-on reset applications. Verify against your specific circuit timing requirements if reset pulse duration is critical to system operation.

Q: Should I choose Tube or Tape & Reel packaging?

A: Tube packaging (standard suffix) is suitable for lower-volume production and manual assembly. Tape & Reel packaging (suffix +T) is optimized for automated pick-and-place assembly and high-volume manufacturing. Both are electrically and mechanically identical; selection depends on assembly process requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. The SP706SCU-L is RoHS Compliant. All substitute parts are ROHS3 Compliant, which represents an updated compliance standard and is fully compatible with RoHS requirements.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: Moisture Sensitivity Level 1 indicates the lowest moisture sensitivity classification. These parts do not require special moisture-controlled storage or baking procedures prior to soldering, simplifying inventory management and reducing handling costs.