DS1705EPA+ Equivalent & Substitute Parts

Part Overview

The DS1705EPA+ is a single-channel power management supervisor IC manufactured by Analog Devices Inc./Maxim Integrated. It functions as a simple reset/power-on reset device with push-pull totem pole output configuration, designed for monitoring a single supply voltage at a 4.65V threshold. The device is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The DS1705EPA+ operates across the industrial temperature range of -40°C to 85°C and is housed in an 8-pin DIP package suitable for through-hole mounting applications.

Substiute Parts

DS1705EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 1162DS1705EPA+ Datasheet

Current PartRFQ

ADM705ANZ

Analog Devices Inc.In Stock: 2314ADM705ANZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS1705EPA+ is determined by strict equivalence across the following critical parameters:

• Voltage Monitoring Capability: Single channel at 4.65V threshold
• Output Type: Push-Pull, Totem Pole configuration
• Reset Logic: Active Low operation
• Package Compatibility: 8-DIP through-hole form factor
• Temperature Range: -40°C to 85°C operation
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The ADM705ANZ meets all these core substitution criteria. Both devices are manufactured by Analog Devices Inc., share identical voltage threshold and output configurations, and are housed in the same 8-DIP package. The primary distinction is the reset timeout specification, where the ADM705ANZ specifies 160ms minimum compared to the DS1705EPA+ at 130ms minimum. This difference does not preclude substitution in applications where the longer timeout is acceptable.

Parameter Comparison

Engineering Selection Recommendations

The ADM705ANZ is the direct equivalent substitute for the DS1705EPA+. Both devices maintain identical electrical specifications for voltage threshold, output configuration, reset logic, and operating temperature range. The ADM705ANZ carries active product status from Analog Devices Inc., ensuring ongoing availability and support compared to the obsolete DS1705EPA+. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs and production applications.

The reset timeout difference of 30ms (ADM705ANZ at 160ms versus DS1705EPA+ at 130ms) represents the only parametric variance. This specification difference does not affect functional equivalence in applications where the extended timeout is acceptable. Component selection should be based on circuit timing requirements and design constraints specific to the application.

Frequently Asked Questions (FAQ)

Q: Can the ADM705ANZ directly replace the DS1705EPA+ without circuit modifications?

A: Yes, the ADM705ANZ is a direct functional equivalent. Both devices share identical voltage threshold (4.65V), output configuration (push-pull totem pole), reset logic (active low), and package type (8-DIP through-hole). No circuit modifications are required for pin-for-pin substitution.

Q: What is the significance of the reset timeout difference between these parts?

A: The reset timeout specifies the minimum duration the reset output remains asserted after power supply stabilization. The DS1705EPA+ specifies 130ms minimum, while the ADM705ANZ specifies 160ms minimum. The ADM705ANZ provides a longer timeout window. Applications requiring the shorter 130ms timeout should evaluate whether the extended 160ms timeout affects system initialization timing.

Q: Are both parts compatible with the same PCB footprint?

A: Yes. Both the DS1705EPA+ and ADM705ANZ use the 8-DIP (0.300", 7.62mm) package with identical pin assignments. They are mechanically and electrically compatible for through-hole mounting on the same PCB layout.

Q: Why is the DS1705EPA+ listed as obsolete?

A: The DS1705EPA+ has reached end-of-life status from the manufacturer. The ADM705ANZ represents the active equivalent product from Analog Devices Inc., ensuring continued availability for new designs and production requirements.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both the DS1705EPA+ and ADM705ANZ are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components in industrial and commercial applications.