SP706SEN-L/TR Equivalent & Substitute Parts

Part Overview

The SP706SEN-L/TR is a single-channel power supply supervisor IC manufactured by MaxLinear, Inc., designed for power management and reset control applications. This device operates as a simple reset/power-on reset supervisor with an active-low reset output, housed in an 8-SOIC surface-mount package. The part is currently in active production status with RoHS compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical parameters and mechanical compatibility are maintained across the same package footprint and functional classification.

Key Parameters

Parameter	Value
Manufacturer Part Number	SP706SEN-L/TR
Manufacturer	MaxLinear, Inc.
Category	Power Management (PMIC)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	2.93V
Reset	Active Low
Reset Timeout	140ms Minimum
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the SP706SEN-L/TR is determined by the following critical parameters:

Package / Case: 8-SOIC (0.154", 3.90mm Width) — mechanical and electrical pin compatibility
Voltage - Threshold: 2.93V — functional equivalence for voltage monitoring
Reset: Active Low — output logic compatibility
Number of Voltages Monitored: 1 — functional scope
Operating Temperature: -40°C ~ 85°C (TA) — thermal operating range
Mounting Type: Surface Mount — assembly compatibility
RoHS Status: RoHS3 Compliant or equivalent — environmental compliance

Substitute parts are grouped by output type (open-drain vs. push-pull/totem-pole) and packaging format. Parts with identical electrical parameters and package specifications are direct substitutes. Parts with extended or reduced temperature ranges, different output configurations, or alternative packaging formats are listed with their specific deviations noted.

Parameter Comparison

Part Number	Manufacturer	Package	Voltage Threshold	Reset Type	Reset Timeout	Operating Temp	Output Type	RoHS Status
SP706SEN-L/TR	MaxLinear, Inc.	8-SOIC	2.93V	Active Low	140ms Min	-40°C ~ 85°C	Open-Drain	RoHS Compliant
ADM706SARZ	Analog Devices Inc.	8-SOIC	2.93V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
ADM706SARZ-REEL	Analog Devices Inc.	8-SOIC	2.93V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
DS1706SESA+	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	130ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
DS1706SESA+T&R	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	130ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
MAX706ASESA+	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
MAX706SCSA+	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	140ms Min	0°C ~ 70°C	Push-Pull, Totem Pole	ROHS3 Compliant
MAX706SCSA+T	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	140ms Min	0°C ~ 70°C	Push-Pull, Totem Pole	ROHS3 Compliant
MAX706SESA+	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
MAX706SESA+T	Analog Devices Inc./Maxim Integrated	8-SOIC	2.93V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	ROHS3 Compliant
MIC706SMY	Microchip Technology	8-SOIC	2.93V	Active Low	140ms Min	-40°C ~ 85°C	Open-Drain	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain active product status and meet RoHS3 compliance requirements. Selection between substitutes depends on specific application requirements:

For applications requiring identical output configuration (open-drain), MIC706SMY from Microchip Technology is the only alternative with matching output type and full temperature range (-40°C ~ 85°C).

For applications compatible with push-pull/totem-pole output, multiple options exist from Analog Devices Inc./Maxim Integrated. MAX706ASESA+, MAX706SESA+, and MAX706SESA+T maintain identical reset timeout (140ms minimum) and full temperature range (-40°C ~ 85°C), providing closest functional equivalence. DS1706SESA+ and DS1706SESA+T&R offer shorter reset timeout (130ms minimum) within the same temperature range. ADM706SARZ and ADM706SARZ-REEL provide longer reset timeout (160ms minimum).

For applications with restricted operating temperature (0°C ~ 70°C), MAX706SCSA+ and MAX706SCSA+T are suitable alternatives with push-pull output.

Packaging format selection (tube, cut tape & digi-reel, or tape & reel) does not affect electrical performance and should be determined by assembly process requirements and inventory management practices.

Frequently Asked Questions (FAQ)

Q: Can MAX706SESA+T directly replace SP706SEN-L/TR?

A: MAX706SESA+T is electrically compatible in terms of voltage threshold (2.93V), reset type (active low), reset timeout (140ms minimum), and operating temperature range (-40°C ~ 85°C). However, the output configuration differs: SP706SEN-L/TR uses open-drain output while MAX706SESA+T uses push-pull/totem-pole output. This difference requires circuit-level evaluation to confirm compatibility with the existing reset signal conditioning.

Q: What is the difference between ADM706SARZ and ADM706SARZ-REEL?

A: Both parts are electrically identical with 2.93V threshold, active-low reset, and 160ms minimum reset timeout. The difference is packaging format: ADM706SARZ is supplied in tube packaging, while ADM706SARZ-REEL is supplied in cut tape & digi-reel format. Selection depends on assembly equipment compatibility and procurement volume requirements.

Q: Why do some substitutes have different reset timeout values?

A: Reset timeout is a specified parameter that varies by part number within the supervisor IC family. DS1706SESA+ and DS1706SESA+T&R specify 130ms minimum timeout, while SP706SEN-L/TR, MAX706 variants, and MIC706SMY specify 140ms minimum. Applications with timing-critical reset sequencing must verify that the substitute's timeout specification meets system requirements.

Q: Can MAX706SCSA+ be used in applications requiring -40°C operation?

A: No. MAX706SCSA+ and MAX706SCSA+T are rated for 0°C ~ 70°C operating temperature, which does not include the -40°C lower limit of SP706SEN-L/TR. Use only in applications with operating temperature range of 0°C ~ 70°C or higher.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting current environmental and hazardous substance restrictions. SP706SEN-L/TR carries RoHS Compliant status, which is equivalent for this product category.

Q: What is the significance of the 8-SOIC package specification?

A: The 8-SOIC (0.154", 3.90mm Width) package defines the physical footprint, pin count, and electrical pin assignments. All listed substitutes use identical 8-SOIC packaging, ensuring mechanical and electrical compatibility with existing PCB layouts and assembly processes without redesign.

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