SP706SCN-L/TR Equivalent & Substitute Parts

Part Overview

The SP706SCN-L/TR is a single-channel power management supervisor IC manufactured by MaxLinear, Inc., designed for power-on reset and simple reset applications. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The SP706SCN-L/TR operates as a voltage supervisor with active-low reset output, monitoring a single voltage threshold at 2.93V with a 140ms minimum reset timeout.

Key Parameters

Parameter	Value
Manufacturer Part Number	SP706SCN-L/TR
Manufacturer	MaxLinear, Inc.
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	2.93V
Reset	Active Low
Reset Timeout	140ms Minimum
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SP706SCN-L/TR is determined by the following critical parameters:

Voltage Threshold: 2.93V (all substitutes maintain this specification)
Reset Type: Active Low (all substitutes maintain this specification)
Number of Voltages Monitored: 1 channel (all substitutes maintain this specification)
Package Compatibility: 8-SOIC form factor with 0.154" width and 3.90mm width dimensions
Reset Timeout: 140ms minimum (primary specification; some substitutes offer 130ms or 160ms minimum)
Operating Temperature Range: 0°C ~ 70°C (primary part); substitutes may extend to -40°C ~ 85°C
Output Configuration: Active-low reset output; some substitutes feature push-pull/totem-pole output capability

Substitutes are grouped into two categories: direct package equivalents (8-SOIC) and alternative package options (8-MSOP/8-TSSOP). All substitutes maintain the core 2.93V threshold and active-low reset functionality required for system compatibility.

Parameter Comparison

Part Number	Manufacturer	Voltage Threshold	Reset Type	Reset Timeout (Min)	Operating Temp	Package	Output Type	Product Status
SP706SCN-L/TR	MaxLinear, Inc.	2.93V	Active Low	140ms	0°C ~ 70°C	8-SOIC	Active Low	Obsolete
SP706SCU-L/TR	MaxLinear, Inc.	2.93V	Active Low	140ms	0°C ~ 70°C	8-MSOP	Active Low	Active
ADM706SARZ	Analog Devices Inc.	2.93V	Active Low	160ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active
ADM706SARZ-REEL	Analog Devices Inc.	2.93V	Active Low	160ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active
DS1706SESA+	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	130ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active
DS1706SESA+T&R	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	130ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active
MAX706ASESA+	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	140ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active
MAX706ASESA+T	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	140ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active
MAX706SCSA+	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	140ms	0°C ~ 70°C	8-SOIC	Push-Pull, Totem Pole	Active
MAX706SCSA+T	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	140ms	0°C ~ 70°C	8-SOIC	Push-Pull, Totem Pole	Active
MAX706SESA+	Analog Devices Inc./Maxim Integrated	2.93V	Active Low	140ms	-40°C ~ 85°C	8-SOIC	Push-Pull, Totem Pole	Active

Engineering Selection Recommendations

Direct Package Equivalent (8-SOIC):

For applications requiring identical 8-SOIC packaging and matching operating temperature range (0°C ~ 70°C), the MAX706SCSA+ and MAX706SCSA+T are the primary selections. Both parts maintain the 2.93V threshold, 140ms reset timeout, and active-low reset functionality. These parts are active products with ROHS3 compliance and REACH unaffected status.

Extended Temperature Range Substitutes (8-SOIC):

For applications requiring extended operating temperature coverage (-40°C ~ 85°C), the MAX706ASESA+, MAX706ASESA+T, MAX706SESA+, DS1706SESA+, and DS1706SESA+T&R are suitable. The DS1706 series offers a 130ms minimum reset timeout, while MAX706A and MAX706S variants provide 140ms. All maintain the 2.93V threshold and active-low reset. These parts carry ROHS3 compliance and REACH unaffected status.

Alternative Package Option (8-MSOP):

The SP706SCU-L/TR provides functional equivalence in an 8-MSOP package (0.118", 3.00mm width) from the same manufacturer. This part maintains the 2.93V threshold, 140ms reset timeout, and 0°C ~ 70°C operating range. Selection of this variant requires PCB layout modification to accommodate the different package footprint.

Output Configuration Consideration:

The original SP706SCN-L/TR features active-low reset output. Most substitute parts (ADM706, DS1706, MAX706 series) provide push-pull/totem-pole output capability, which is functionally compatible with active-low reset applications and offers improved drive capability.

Frequently Asked Questions (FAQ)

Q: Can I use MAX706SESA+ as a direct replacement for SP706SCN-L/TR?

A: Yes. Both parts maintain the 2.93V voltage threshold, active-low reset type, and 8-SOIC package. The MAX706SESA+ extends the operating temperature range to -40°C ~ 85°C and features push-pull output, which is compatible with active-low reset applications. The part is active and RoHS3 compliant.

Q: What is the difference between SP706SCU-L/TR and SP706SCN-L/TR?

A: The primary difference is packaging. SP706SCN-L/TR uses 8-SOIC (0.154", 3.90mm width), while SP706SCU-L/TR uses 8-MSOP (0.118", 3.00mm width). Both maintain identical electrical specifications: 2.93V threshold, 140ms reset timeout, and active-low reset. PCB layout modification is required when switching between these packages.

Q: Are DS1706SESA+ and MAX706ASESA+ interchangeable?

A: Both parts are functionally compatible for the SP706SCN-L/TR application. Key differences: DS1706SESA+ offers 130ms minimum reset timeout, while MAX706ASESA+ provides 140ms. Both support -40°C ~ 85°C operating temperature and feature push-pull output. Selection depends on reset timing requirements and inventory availability.

Q: Does the push-pull output on substitute parts affect compatibility?

A: No. Push-pull/totem-pole output is functionally compatible with active-low reset applications. The push-pull configuration provides improved drive capability compared to open-drain output, making it suitable for the same system applications.

Q: What is the significance of packaging options (Tube vs. Cut Tape & Digi-Reel)?

A: Packaging affects supply format and handling. Tube packaging is suitable for lower-volume applications, while Cut Tape & Digi-Reel format is optimized for automated assembly processes. Electrical and functional specifications remain identical across packaging variants of the same part number.

Q: Can I use ADM706SARZ if my application requires 0°C ~ 70°C operation?

A: ADM706SARZ is rated for -40°C ~ 85°C operation, which encompasses the 0°C ~ 70°C range. The part is suitable for this application. However, if cost optimization is a priority, MAX706SCSA+ is rated specifically for 0°C ~ 70°C and may be a more economical selection.

Q: Are all substitute parts RoHS compliant?

A: Yes. All active substitute parts listed (ADM706, DS1706, MAX706 series) carry ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.

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