SP706REN-L/TR Equivalent & Substitute Parts

Part Overview

The SP706REN-L/TR is a single-channel power supply supervisor IC manufactured by MaxLinear, Inc., designed for power management applications requiring active-low reset functionality. This device monitors a single voltage threshold at 2.63V and provides a 140ms minimum reset timeout. The part is classified as Active product status with RoHS compliance and unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and functional equivalence within the supervisor IC category. Substitutes maintain the same voltage threshold, reset polarity, operating temperature range, and 8-SOIC surface-mount package configuration.

Key Parameters

Parameter	SP706REN-L/TR
Manufacturer	MaxLinear, Inc.
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	2.63V
Reset Polarity	Active Low
Reset Timeout	140ms Minimum
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict electrical and mechanical compatibility criteria. All substitute parts maintain the following core parameters identical to the SP706REN-L/TR:

Voltage threshold: 2.63V
Reset polarity: Active Low
Package: 8-SOIC (0.154", 3.90mm Width)
Mounting type: Surface Mount
Number of voltages monitored: 1
MSL rating: 1 (Unlimited)
RoHS compliance status: Active

Substitutes are differentiated by manufacturer, output configuration (Push-Pull/Totem Pole vs. open-drain), reset timeout specifications, operating temperature ranges, and packaging formats (Tube, Cut Tape & Digi-Reel, or Digi-Reel). Parts with identical electrical specifications and package configuration are considered direct equivalents regardless of manufacturer.

Parameter Comparison

Part Number	Manufacturer	Voltage Threshold	Reset Polarity	Reset Timeout	Operating Temperature	Output Type	Package	RoHS Status
SP706REN-L/TR	MaxLinear, Inc.	2.63V	Active Low	140ms Min	-40°C ~ 85°C	Open-Drain	8-SOIC	RoHS Compliant
ADM706RARZ	Analog Devices Inc.	2.63V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
ADM706RARZ-REEL	Analog Devices Inc.	2.63V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
ADM706RARZ-REEL7	Analog Devices Inc.	2.63V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
DS1706RESA+	Analog Devices Inc./Maxim Integrated	2.63V	Active Low	130ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
MAX706ARESA+	Analog Devices Inc./Maxim Integrated	2.63V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
MAX706RCSA+	Analog Devices Inc./Maxim Integrated	2.63V	Active Low	140ms Min	0°C ~ 70°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
MAX706RCSA+T	Analog Devices Inc./Maxim Integrated	2.63V	Active Low	140ms Min	0°C ~ 70°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
MAX706RESA+	Analog Devices Inc./Maxim Integrated	2.63V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
MAX706RESA+T	Analog Devices Inc./Maxim Integrated	2.63V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	ROHS3 Compliant
MIC706RMY	Microchip Technology	2.63V	Active Low	140ms Min	-40°C ~ 85°C	Open-Drain	8-SOIC	ROHS3 Compliant

Engineering Selection Recommendations

Selection of substitute parts for the SP706REN-L/TR depends on application-specific requirements and environmental constraints:

Full Temperature Range Compatibility (-40°C ~ 85°C): Parts maintaining the extended operating temperature range of the SP706REN-L/TR include ADM706RARZ, ADM706RARZ-REEL, ADM706RARZ-REEL7, DS1706RESA+, MAX706ARESA+, MAX706RESA+, MAX706RESA+T, and MIC706RMY. These parts are suitable for industrial and automotive applications requiring full temperature operation.

Commercial Temperature Range (0°C ~ 70°C): MAX706RCSA+ and MAX706RCSA+T operate within a narrower temperature range and are applicable to commercial-grade applications with controlled thermal environments.

Output Configuration: The SP706REN-L/TR features open-drain output. Direct functional equivalents with matching output configuration include MIC706RMY (Microchip Technology). All Analog Devices and Maxim Integrated substitutes feature Push-Pull/Totem Pole output, which provides active drive capability on both high and low states. This output configuration difference must be evaluated against circuit design requirements.

Reset Timeout Specifications: The SP706REN-L/TR specifies 140ms minimum reset timeout. Matching timeout specifications are provided by MAX706ARESA+, MAX706RCSA+, MAX706RCSA+T, MAX706RESA+, MAX706RESA+T, and MIC706RMY. ADM706RARZ variants specify 160ms minimum timeout. DS1706RESA+ specifies 130ms minimum timeout.

Compliance and Product Status: All substitute parts maintain Active product status and RoHS3 compliance. All parts carry MSL 1 (Unlimited) moisture sensitivity rating, matching the SP706REN-L/TR specification.

Frequently Asked Questions (FAQ)

Q: Can ADM706RARZ be used as a direct replacement for SP706REN-L/TR?

A: ADM706RARZ matches the core electrical specifications (2.63V threshold, active-low reset, -40°C ~ 85°C operating range, 8-SOIC package). The primary difference is output configuration: ADM706RARZ provides Push-Pull/Totem Pole output versus the SP706REN-L/TR open-drain output. Additionally, ADM706RARZ specifies 160ms minimum reset timeout compared to 140ms for the SP706REN-L/TR. Circuit design must accommodate these differences.

Q: What is the difference between ADM706RARZ, ADM706RARZ-REEL, and ADM706RARZ-REEL7?

A: These part numbers represent the same IC with different packaging formats. ADM706RARZ is supplied in Tube packaging. ADM706RARZ-REEL is supplied in Cut Tape & Digi-Reel format. ADM706RARZ-REEL7 is supplied in Digi-Reel format. Electrical specifications and performance are identical across all three variants.

Q: Why do MAX706RCSA+ and MAX706RCSA+T have a narrower operating temperature range?

A: MAX706RCSA+ and MAX706RCSA+T are rated for 0°C ~ 70°C operating temperature, which is the commercial temperature range. These parts are suitable for applications with controlled thermal environments. For applications requiring -40°C ~ 85°C operation, select MAX706ARESA+, MAX706RESA+, or MAX706RESA+T instead.

Q: What is the difference between MAX706RESA+ and MAX706RESA+T?

A: MAX706RESA+ is supplied in Tube packaging. MAX706RESA+T is supplied in Cut Tape & Digi-Reel format. Electrical specifications and performance are identical. Selection depends on assembly process requirements and packaging preferences.

Q: Is MIC706RMY a suitable substitute for SP706REN-L/TR?

A: MIC706RMY (Microchip Technology) matches the SP706REN-L/TR in voltage threshold (2.63V), reset polarity (active-low), reset timeout (140ms minimum), operating temperature range (-40°C ~ 85°C), package (8-SOIC), and output configuration (open-drain). MIC706RMY is a functionally equivalent substitute with identical electrical characteristics.

Q: What does "Push-Pull, Totem Pole" output mean compared to open-drain?

A: Push-Pull/Totem Pole output actively drives the reset line both high and low through internal transistor pairs. Open-drain output can only pull the reset line low; the line must be pulled high externally through a resistor. Circuit design must account for this difference in output drive capability.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts carry RoHS3 compliance certification. The SP706REN-L/TR is RoHS Compliant. Both compliance designations meet RoHS requirements; ROHS3 represents the current RoHS 3 directive standard.

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