DS1834+ Equivalent & Substitute Parts

Part Overview

The DS1834+ is a multi-voltage supervisor integrated circuit manufactured by Analog Devices Inc./Maxim Integrated, designed for power management applications requiring dual-channel voltage monitoring. This device monitors two independent voltage supplies and provides active-low reset output via open drain or open collector configuration. The DS1834+ operates across industrial temperature ranges (-40°C to 85°C) and is housed in an 8-pin DIP package suitable for through-hole mounting.

The DS1834+ carries an obsolete product status. Locating equivalent or substitute components becomes necessary when original stock is depleted or when system redesigns require updated alternatives with comparable electrical and mechanical characteristics.

Substiute Parts

DS1834+

Analog Devices Inc./Maxim IntegratedIn Stock: 1123DS1834+ Datasheet

Current PartRFQ

DS1834+

Analog Devices Inc./Maxim IntegratedIn Stock: 1123DS1834+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DS1834+ is determined by strict alignment with the following critical parameters:

• Channel Configuration: Dual-channel (2-channel) voltage monitoring capability
• Voltage Threshold Support: Compatibility with 3.3V and 5V threshold levels
• Output Type: Open drain or open collector output stage
• Reset Polarity: Active-low reset signal
• Reset Timeout Duration: 200ms minimum timeout specification
• Temperature Range: Full industrial range (-40°C to 85°C)
• Package Format: 8-pin DIP with 0.300" (7.62mm) pitch
• Mounting Method: Through-hole technology
• Compliance Standards: ROHS3 compliance and MSL Level 1 rating

Only components matching all of these parameters across electrical function and mechanical form factor qualify as direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Component selection for DS1834+ replacement applications must prioritize the following criteria:

Compliance and Regulatory Status: The substitute component must maintain ROHS3 compliance and MSL Level 1 rating to ensure compatibility with modern manufacturing processes and environmental regulations. The REACH unaffected status of the original part should be preserved in any substitute selection.

Functional Equivalence: The substitute must provide identical dual-channel voltage supervision with 3.3V and 5V threshold capability. The active-low reset output with 200ms minimum timeout is non-negotiable for system reset sequencing integrity.

Package and Mounting Compatibility: Through-hole 8-DIP packaging with 0.300" pitch ensures direct PCB footprint compatibility. Any deviation from this mechanical specification requires PCB redesign and validation.

Obsolescence Consideration: Given the obsolete product status of the DS1834+, component selection should prioritize parts with confirmed current manufacturing status and documented long-term availability commitments from the supplier.

Frequently Asked Questions (FAQ)

Q: Can the DS1834+ be replaced with a different package type, such as SOIC or QFN?

A: No. The DS1834+ is specified for 8-DIP through-hole mounting. Alternative package types require PCB redesign and are not considered direct substitutes. Package selection is determined by the application's mounting technology and board layout constraints.

Q: Are there voltage threshold variants of the DS1834+ with different monitoring levels?

A: The DS1834+ is configured for 3.3V and 5V threshold monitoring. Variants with alternative threshold voltages are separate part numbers and do not qualify as substitutes for this specific application requirement.

Q: What is the significance of the active-low reset output?

A: The active-low reset output means the reset signal is asserted (logic low) when a voltage threshold violation is detected. This polarity is critical for system reset sequencing and cannot be changed without modifying downstream reset logic circuitry.

Q: Does the 200ms reset timeout apply to both voltage channels?

A: The 200ms minimum reset timeout is the device-level specification governing the duration between threshold violation detection and reset signal assertion. This timing applies to the overall supervisor function across both monitored channels.

Q: Is the DS1834+ suitable for new design applications?

A: The DS1834+ carries an obsolete product status. New designs should evaluate current-generation supervisor alternatives from Analog Devices Inc./Maxim Integrated that offer equivalent functionality with active manufacturing support and extended availability.

Q: What does MSL Level 1 (Unlimited) mean for component handling?

A: MSL Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This classification simplifies inventory management and reduces risk of moisture-induced failures during assembly.