MAX705MJA Equivalent & Substitute Parts

Part Overview

The MAX705MJA is an active low reset supervisor integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This power management PMIC functions as a simple reset/power-on reset device with push-pull totem pole output configuration, monitoring a single voltage threshold at 4.65V. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance and functional characteristics are maintained across different packaging formats while preserving core supervisory functionality. The MAX705MJA operates across an extended industrial temperature range (-55°C to 125°C), making substitution analysis critical for applications requiring specific thermal or mechanical constraints.

Substiute Parts

MAX705MJA

Analog Devices Inc./Maxim IntegratedIn Stock: 37305MAX705MJA Datasheet

Current PartRFQ

MAX705CPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 6423MAX705CPA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX705MJA is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Single voltage monitoring channel
• 4.65V threshold voltage
• Push-pull totem pole output configuration
• Active low reset logic
• 140ms minimum reset timeout
• Base product number MAX705 series

Mechanical & Environmental Compatibility:

• Through-hole mounting technology
• 8-pin DIP package family (CDIP or PDIP variants)
• 0.300" (7.62mm) pin spacing standard
• RoHS3 compliance
• MSL 1 rating (unlimited moisture sensitivity)

Functional Scope: Substitutes maintain identical supervisory functionality and electrical performance. Differences in operating temperature range and packaging format (ceramic DIP versus plastic DIP) do not affect core reset supervision capability when application thermal requirements are satisfied.

Parameter Comparison

Engineering Selection Recommendations

MAX705CPA+ Substitution Applicability:

The MAX705CPA+ is a direct functional equivalent to the MAX705MJA with the following engineering considerations:

Temperature Range Limitation: The MAX705CPA+ operates within 0°C to 70°C ambient temperature range, compared to the MAX705MJA extended range of -55°C to 125°C. Substitution is valid only for applications where the operating environment remains within the 0°C to 70°C specification. Applications requiring extended low-temperature operation below 0°C or high-temperature operation above 70°C must retain the MAX705MJA.

Package Material Difference: The MAX705MJA uses ceramic DIP (CERDIP) packaging, while MAX705CPA+ uses plastic DIP (PDIP) packaging. Both maintain identical pin spacing (0.300", 7.62mm) and through-hole mounting compatibility. The plastic package variant is suitable for standard PCB assembly processes without thermal or mechanical constraints specific to ceramic packaging.

Compliance & Regulatory Status: Both parts maintain identical RoHS3 compliance, MSL 1 rating, and REACH unaffected status. No regulatory or environmental compliance barriers exist for substitution within the specified temperature operating window.

Inventory & Availability: MAX705CPA+ maintains active product status with documented inventory availability, supporting long-term supply chain continuity for applications within its thermal specification.

Frequently Asked Questions (FAQ)

Q: Can MAX705CPA+ replace MAX705MJA in all applications?

A: MAX705CPA+ is electrically and functionally equivalent to MAX705MJA for reset supervision at 4.65V threshold with active low output. Substitution is valid only when the application operating temperature remains within 0°C to 70°C. Applications requiring operation below 0°C or above 70°C must use MAX705MJA.

Q: What is the difference between CERDIP and PDIP packaging?

A: CERDIP (ceramic DIP) and PDIP (plastic DIP) are different package materials for 8-pin through-hole devices. Both maintain identical pin spacing and electrical performance. PDIP is standard for commercial temperature range applications, while CERDIP is used for extended temperature range requirements. The MAX705MJA ceramic package supports the -55°C to 125°C range; MAX705CPA+ plastic package supports 0°C to 70°C.

Q: Are the pin configurations identical between MAX705MJA and MAX705CPA+?

A: Yes. Both devices use 8-pin DIP configuration with 0.300" (7.62mm) pin spacing. Pin-to-pin compatibility is confirmed for direct PCB substitution without layout modifications.

Q: Do both parts have identical reset timeout specifications?

A: Yes. Both MAX705MJA and MAX705CPA+ specify 140ms minimum reset timeout. Reset timing behavior is identical across both variants.

Q: What compliance certifications apply to both parts?

A: Both parts are RoHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating. No compliance barriers exist for substitution within the specified operating temperature window.

Q: Can MAX705CPA+ be used in industrial temperature applications?

A: MAX705CPA+ is rated for 0°C to 70°C commercial temperature range. Industrial applications requiring -55°C to 125°C operation must use MAX705MJA. Verify application temperature requirements before substitution.