DS1708EUA Equivalent & Substitute Parts

Part Overview

The DS1708EUA is a supervisor integrated circuit from Analog Devices Inc./Maxim Integrated, classified as a Power Management (PMIC) device. This component functions as a simple reset/power-on reset supervisor with push-pull output configuration, monitoring a single voltage channel with a 4.4V threshold. The DS1708EUA is currently listed with obsolete product status. Due to its obsolescence, identifying functionally equivalent active alternatives is necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
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
Reset Logic	Active High/Active Low
Reset Timeout	130ms Minimum
Operating Temperature Range	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package/Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the DS1708EUA is determined by the following critical parameters:

Voltage Monitoring Capability: Single channel, 4.4V threshold
Output Type: Push-Pull configuration
Reset Logic: Active High/Active Low capability
Package Compatibility: 8-TSSOP or 8-MSOP form factor
Operating Temperature Range: -40°C to 85°C
Mounting: Surface mount technology

Two substitute parts meet these criteria:

DS1708EUA+ is a direct manufacturer variant with identical electrical specifications and package configuration. The primary distinction is packaging format (Tube versus unspecified for the original) and active product status with RoHS3 compliance.

ADM708ARMZ-REEL is a manufacturer-recommended alternative from the same supplier. It maintains functional equivalence across all critical parameters with one specification variance: reset timeout of 160ms minimum versus 130ms minimum for the DS1708EUA. The ADM708ARMZ-REEL is supplied in Tape & Reel format and carries active product status with RoHS3 compliance.

Parameter Comparison

Parameter	DS1708EUA (Main)	DS1708EUA+ (Direct Variant)	ADM708ARMZ-REEL (Alternative)
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated	Analog Devices Inc.
Product Status	Obsolete	Active	Active
Type	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset
Number of Voltages Monitored	1	1	1
Voltage Threshold	4.4V	4.4V	4.4V
Output Configuration	Push-Pull	Push-Pull	Push-Pull
Reset Logic	Active High/Active Low	Active High/Active Low	Active High/Active Low
Reset Timeout	130ms Minimum	130ms Minimum	160ms Minimum
Operating Temperature Range	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package/Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
RoHS Status	RoHS Non-Compliant	RoHS3 Compliant	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

DS1708EUA+ (Direct Variant): This part is the primary substitute for the obsolete DS1708EUA. It provides identical electrical and mechanical specifications with the advantage of active product status and RoHS3 compliance. Selection of DS1708EUA+ is appropriate for applications requiring exact parameter matching and regulatory compliance with modern environmental standards.

ADM708ARMZ-REEL (Manufacturer Alternative): This part is suitable for applications where the reset timeout specification of 160ms minimum is acceptable. The 30ms increase in reset timeout from the original 130ms minimum represents the only functional variance. ADM708ARMZ-REEL carries active product status and RoHS3 compliance. This part is supplied in Tape & Reel format, which may be advantageous for high-volume manufacturing operations.

Selection between DS1708EUA+ and ADM708ARMZ-REEL depends on reset timeout requirements and procurement format preferences. Both parts maintain full functional compatibility with the original DS1708EUA across all other critical parameters.

Frequently Asked Questions (FAQ)

Q: Can DS1708EUA+ be used as a direct replacement for DS1708EUA?

A: Yes. DS1708EUA+ maintains identical electrical specifications, voltage threshold, output configuration, reset logic, and package dimensions. The primary differences are packaging format and active product status with RoHS3 compliance.

Q: What is the significance of the 30ms difference in reset timeout between DS1708EUA and ADM708ARMZ-REEL?

A: The DS1708EUA specifies a minimum reset timeout of 130ms, while ADM708ARMZ-REEL specifies 160ms minimum. This difference must be evaluated against application-specific timing requirements. If the application circuit design depends on the 130ms specification, ADM708ARMZ-REEL may not be suitable without circuit redesign.

Q: Are the package dimensions identical across all three parts?

A: Yes. All three parts use 8-TSSOP or 8-MSOP packaging with 0.118" width (3.00mm). PCB layout and footprints are compatible across all variants.

Q: What are the compliance differences between the three parts?

A: DS1708EUA is RoHS non-compliant. Both DS1708EUA+ and ADM708ARMZ-REEL are RoHS3 compliant. All three parts maintain REACH Unaffected status. Selection should consider regulatory requirements for the target application and market.

Q: What packaging formats are available?

A: DS1708EUA+ is supplied in Tube format. ADM708ARMZ-REEL is supplied in Tape & Reel format. Packaging selection impacts procurement logistics and automated assembly compatibility.

Q: Are all three parts from the same manufacturer?

A: DS1708EUA and DS1708EUA+ are from Analog Devices Inc./Maxim Integrated. ADM708ARMZ-REEL is from Analog Devices Inc. All parts originate from the same manufacturer family.

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