MAX706CSA Equivalent & Substitute Parts

Part Overview

The MAX706CSA is a single-channel power supply supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, designed for reset and power-on reset applications in power management circuits. This component operates as a push-pull, totem pole output supervisor with active-low reset functionality and a 140ms minimum reset timeout. The MAX706CSA is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement.

Key Parameters

Parameter	MAX706CSA
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage Threshold	4.4V
Output Configuration	Push-Pull, Totem Pole
Reset Logic	Active Low
Reset Timeout	140ms Minimum
Operating Temperature Range	0°C ~ 70°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MAX706CSA is determined by strict equivalence across the following critical parameters: single-channel voltage monitoring, 4.4V voltage threshold, push-pull totem pole output configuration, active-low reset logic, 8-SOIC package, and surface mount technology. Parts are grouped into three categories based on substitution relationship:

Direct Manufacturer Equivalent: MAX706CSA+ maintains identical electrical specifications and packaging but differs in product status (active vs. obsolete) and RoHS compliance (ROHS3 compliant vs. non-compliant).

Parametric Equivalent: MAX709MCSA+ shares all critical electrical parameters and package specifications with the main part, differing only in base product number designation while maintaining active product status and ROHS3 compliance.

Manufacturer-Recommended Alternatives: ADM706ARZ, ADM706ARZ-REEL, ADM706ARZ-REEL7, ADM706PARZ, ADM706PARZ-REEL, ADM706SARZ, and ADM706SARZ-REEL are Analog Devices alternatives with variations in voltage threshold, reset logic polarity, operating temperature range, and packaging format. MIC706MY represents a cross-manufacturer alternative from Microchip Technology with matching voltage threshold and reset logic but extended operating temperature range.

Parameter Comparison

Parameter	MAX706CSA	MAX706CSA+	MAX709MCSA+	ADM706ARZ	ADM706ARZ-REEL	ADM706ARZ-REEL7	ADM706PARZ	ADM706SARZ	MIC706MY
Voltage Threshold	4.4V	4.4V	4.4V	4.4V	4.4V	4.4V	2.63V	2.93V	4.4V
Output Configuration	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Push-Pull, Totem Pole	Not Specified
Reset Logic	Active Low	Active Low	Active Low	Active Low	Active Low	Active Low	Active High	Active Low	Active Low
Reset Timeout	140ms Minimum	140ms Minimum	140ms Minimum	160ms Minimum	160ms Minimum	160ms Minimum	160ms Minimum	160ms Minimum	140ms Minimum
Operating Temperature Range	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

For applications requiring direct electrical and functional equivalence to the MAX706CSA, MAX706CSA+ is the primary substitute, offering identical specifications with the advantage of active product status and ROHS3 compliance. MAX709MCSA+ provides equivalent performance with confirmed active availability.

For designs requiring extended operating temperature range beyond 0°C to 70°C, the ADM706ARZ series (ADM706ARZ, ADM706ARZ-REEL, ADM706ARZ-REEL7) offers -40°C to 85°C operation while maintaining 4.4V threshold and active-low reset logic. These parts are available in multiple packaging formats: tube, cut tape with Digi-Reel, and cut tape with 7-inch Digi-Reel.

ADM706PARZ and ADM706PARZ-REEL are not suitable direct replacements due to active-high reset logic and 2.63V voltage threshold, which differ from the MAX706CSA specification.

ADM706SARZ and ADM706SARZ-REEL feature 2.93V voltage threshold and active-low reset logic with extended temperature range, suitable only for applications where the lower threshold voltage is acceptable.

MIC706MY from Microchip Technology provides cross-manufacturer equivalence with matching 4.4V threshold and active-low reset logic, extended operating temperature range, and ROHS3 compliance. Output configuration is not specified in available documentation.

Selection should prioritize parts with active product status and ROHS3 compliance for new designs. Packaging format selection (tube, cut tape, or Digi-Reel) depends on procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX706CSA+ be used as a direct replacement for MAX706CSA?

A: Yes. MAX706CSA+ maintains identical electrical specifications including 4.4V voltage threshold, active-low reset logic, 140ms reset timeout, and 8-SOIC package. The primary differences are product status (active vs. obsolete) and RoHS compliance (ROHS3 compliant vs. non-compliant).

Q: What is the difference between ADM706ARZ and ADM706SARZ?

A: Both parts share active-low reset logic and extended operating temperature range (-40°C to 85°C). The key difference is voltage threshold: ADM706ARZ monitors 4.4V while ADM706SARZ monitors 2.93V. Selection depends on the specific voltage monitoring requirement of the application.

Q: Why do ADM706ARZ-REEL and ADM706ARZ-REEL7 have different part numbers?

A: Both are identical electrically and mechanically. The difference is packaging format: ADM706ARZ-REEL uses standard cut tape with Digi-Reel, while ADM706ARZ-REEL7 uses cut tape with 7-inch Digi-Reel. Selection depends on assembly equipment compatibility and procurement preferences.

Q: Is MIC706MY a suitable substitute for MAX706CSA?

A: MIC706MY matches the 4.4V voltage threshold and active-low reset logic of MAX706CSA with identical 8-SOIC package and surface mount technology. It offers extended operating temperature range (-40°C to 85°C) and ROHS3 compliance. Output configuration is not specified in available documentation, which should be confirmed for application compatibility.

Q: Can ADM706PARZ replace MAX706CSA?

A: No. ADM706PARZ has active-high reset logic and 2.63V voltage threshold, both of which differ from MAX706CSA specifications. It is not a suitable substitute.

Q: What packaging options are available for ADM706 variants?

A: ADM706 variants are available in three packaging formats: tube (standard packaging), cut tape with Digi-Reel (CT & Digi-Reel), and cut tape with 7-inch Digi-Reel. All maintain identical 8-SOIC package dimensions and surface mount technology.

Q: Should I select a part based on operating temperature range?

A: Operating temperature range should be selected based on application requirements. MAX706CSA and its direct equivalents (MAX706CSA+, MAX709MCSA+, MIC706MY) operate from 0°C to 70°C. ADM706 variants extend this to -40°C to 85°C. Select the range that matches your thermal environment specifications.

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