MAX692ACSA Equivalent & Substitute Parts

Part Overview

The MAX692ACSA is a single-channel supervisor integrated circuit manufactured by Analog Devices Inc./Maxim Integrated, designed for battery backup circuit applications. This surface-mount 8-SOIC device provides push-pull totem pole output with active-low reset functionality and a 140ms minimum reset timeout. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer	Analog Devices Inc./Maxim Integrated
Category	Power Management (PMIC)
Type	Battery Backup Circuit
Number of Voltages Monitored	1
Voltage Threshold	4.4V
Output Type	Push-Pull, Totem Pole
Reset Logic	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
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MAX692ACSA is determined by strict equivalence across the following critical parameters:

Single voltage monitoring channel
4.4V voltage threshold
Push-pull totem pole output configuration
Active-low reset logic
140ms minimum reset timeout
8-SOIC package footprint (0.154", 3.90mm width)
Surface-mount technology

Substitute parts are grouped into three categories based on their relationship to the main part:

Direct Equivalent (Packaging Variant): MAX692ACSA+ differs only in packaging format (tube vs. standard), maintaining identical electrical specifications and active product status.

Parametric Equivalents (Same Electrical Function, Different Base Product): MAX704CSA+ and MAX802MCSA+ provide identical electrical performance across all monitored parameters while representing different product lines within the Maxim Integrated portfolio.

Manufacturer-Recommended Alternatives (Extended Temperature Range & Enhanced Compliance): ADM692AARNZ, ADM692AARNZ-REEL, LTC692CS8#PBF, LTC692CS8#TRPBF, LTC692IS8#PBF, LTC692IS8#TRPBF, and STM692AM6F offer active product status and improved compliance certifications. Note that LTC692 variants feature open-drain output instead of push-pull totem pole, and STM692AM6F is manufactured by STMicroelectronics rather than Analog Devices.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage Threshold	Output Type	Reset Logic	Reset Timeout	Operating Temp	Package	RoHS Status
MAX692ACSA	Analog Devices/Maxim	Obsolete	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	0°C ~ 70°C	8-SOIC	RoHS non-compliant
MAX692ACSA+	Analog Devices/Maxim	Active	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	0°C ~ 70°C	8-SOIC	ROHS3 Compliant
MAX704CSA+	Analog Devices/Maxim	Active	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	0°C ~ 70°C	8-SOIC	ROHS3 Compliant
MAX802MCSA+	Analog Devices/Maxim	Obsolete	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	0°C ~ 70°C	8-SOIC	ROHS3 Compliant
ADM692AARNZ	Analog Devices	Active	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant
ADM692AARNZ-REEL	Analog Devices	Active	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant
LTC692CS8#PBF	Analog Devices	Active	4.4V	Open Drain or Open Collector	Active High/Active Low	140ms Min	0°C ~ 70°C	8-SOIC	ROHS3 Compliant
LTC692CS8#TRPBF	Analog Devices	Active	4.4V	Open Drain or Open Collector	Active High/Active Low	140ms Min	0°C ~ 70°C	8-SOIC	ROHS3 Compliant
LTC692IS8#PBF	Analog Devices	Active	4.4V	Open Drain or Open Collector	Active High/Active Low	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant
LTC692IS8#TRPBF	Analog Devices	Active	4.4V	Open Drain or Open Collector	Active High/Active Low	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant
STM692AM6F	STMicroelectronics	Active	4.4V	Push-Pull, Totem Pole	Active Low	140ms Min	-40°C ~ 85°C	8-SOIC	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement with Active Product Status: MAX692ACSA+ is the primary choice, offering identical electrical specifications with ROHS3 compliance and active product status. This part maintains the original push-pull totem pole output and active-low reset configuration.

For Active Product Status with Extended Temperature Range: ADM692AARNZ and ADM692AARNZ-REEL extend the operating temperature range to -40°C ~ 85°C while maintaining all electrical parameters. ADM692AARNZ-REEL provides cut tape and Digi-Reel packaging with significantly higher inventory availability (50,100 pcs).

For Alternative Manufacturers: STM692AM6F from STMicroelectronics provides push-pull totem pole output with extended temperature range and ROHS3 compliance. This option is suitable when supply chain diversification is required.

For Open-Drain Output Applications: LTC692 variants (CS8 and IS8 series) offer open-drain output configuration instead of push-pull totem pole. These parts are suitable only if the application circuit can accommodate open-drain logic. LTC692IS8 variants support extended temperature range (-40°C ~ 85°C).

Compatibility Constraints: Parts with different output types (open-drain vs. push-pull totem pole) require circuit redesign and are not direct pin-compatible substitutes. Operating temperature range differences must be evaluated against application requirements.

Frequently Asked Questions (FAQ)

Q: Can MAX692ACSA be directly replaced with MAX704CSA+ or MAX802MCSA+? A: Yes. Both parts maintain identical electrical specifications across voltage threshold, output type, reset logic, reset timeout, and package footprint. MAX704CSA+ is preferred due to active product status, while MAX802MCSA+ is obsolete.

Q: What is the difference between MAX692ACSA+ and ADM692AARNZ? A: Both provide push-pull totem pole output and 4.4V threshold. ADM692AARNZ extends the operating temperature range from 0°C ~ 70°C to -40°C ~ 85°C. Both are ROHS3 compliant and active products.

Q: Can LTC692 parts substitute for MAX692ACSA? A: LTC692 variants differ in output configuration (open-drain vs. push-pull totem pole). They are not direct pin-compatible substitutes and require circuit modification. Use only if the application circuit supports open-drain output logic.

Q: What is the difference between ADM692AARNZ and ADM692AARNZ-REEL? A: Both parts are electrically identical. The difference is packaging format: ADM692AARNZ uses tube packaging, while ADM692AARNZ-REEL uses cut tape and Digi-Reel format. ADM692AARNZ-REEL has significantly higher inventory availability.

Q: Is STM692AM6F a suitable replacement? A: STM692AM6F from STMicroelectronics maintains all critical electrical parameters and provides extended temperature range with ROHS3 compliance. It is suitable for applications requiring supply chain diversification or extended temperature operation.

Q: Why is the original MAX692ACSA marked as obsolete? A: Obsolete status indicates the part is no longer manufactured. MAX692ACSA+ (with ROHS3 compliance) or MAX704CSA+ are recommended for new designs and ongoing procurement.

Q: Are all substitute parts ROHS3 compliant? A: No. The original MAX692ACSA is RoHS non-compliant. All active substitute parts listed are ROHS3 compliant. This is a key advantage for new designs and procurement in regulated markets.

Q: What packaging options are available for ADM692AARNZ? A: ADM692AARNZ is available in tube packaging. ADM692AARNZ-REEL provides the same part in cut tape and Digi-Reel format with higher inventory levels.

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