DS1232SN+ Equivalent & Substitute Parts

Part Overview

The DS1232SN+ is a single-channel power supply supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, operating within the Power Management (PMIC) category. This device functions as a simple reset/power-on reset supervisor with open drain and push-pull output capabilities, housed in a 16-SOIC surface mount package. The part is Active in product status and fully ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Substitute parts are necessary when the DS1232SN+ is unavailable, when alternative packaging formats (Tape & Reel versus Tube) are required for production workflows, or when equivalent functionality from alternative manufacturers meets system requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

DS1232SN+

Analog Devices Inc./Maxim IntegratedIn Stock: 2117DS1232SN+ Datasheet

Current PartRFQ

DS1232SN+

Analog Devices Inc./Maxim IntegratedIn Stock: 2117DS1232SN+ Datasheet

DirectRFQ

DS1232LPSN+

Analog Devices Inc./Maxim IntegratedIn Stock: 1427DS1232LPSN+ Datasheet

Parametric EquivalentRFQ

ADM1232ARWZ

Analog Devices Inc.In Stock: 3137ADM1232ARWZ Datasheet

MFR RecommendedRFQ

ADM1232ARWZ-REEL

Analog Devices Inc.In Stock: 2202ADM1232ARWZ-REEL Datasheet

MFR RecommendedRFQ

ADM1232ARWZ-REEL7

Analog Devices Inc.In Stock: 1979ADM1232ARWZ-REEL7 Datasheet

MFR RecommendedRFQ

TC1232COE

Microchip TechnologyIn Stock: 733TC1232COE Datasheet

MFR RecommendedRFQ

TC1232COE713

Microchip TechnologyIn Stock: 864TC1232COE713 Datasheet

MFR RecommendedRFQ

TC1232EOE

Microchip TechnologyIn Stock: 1130TC1232EOE Datasheet

MFR RecommendedRFQ

TC1232EOE713

Microchip TechnologyIn Stock: 709TC1232EOE713 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DS1232SN+ is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Single-channel voltage monitoring capability
• Voltage threshold settings of 4.37V and/or 4.62V
• Output configuration supporting Open Drain and/or Push-Pull modes
• Reset logic supporting Active High and/or Active Low states
• Operating temperature range of -40°C to 85°C (or compatible subset)

Mechanical Compatibility Requirements:

• 16-SOIC package format (0.295", 7.50mm Width)
• Surface mount mounting type
• ROHS3 compliance and MSL 1 rating

Packaging Format Considerations:

• Tube packaging (original specification)
• Tape & Reel (TR) packaging (alternative for high-volume production)

Substitute parts are grouped into three categories:

1. Direct Parametric Equivalents – Parts with identical electrical specifications and 16-SOIC packaging from the same manufacturer (Analog Devices/Maxim)
2. Manufacturer-Recommended Alternatives – Parts from Analog Devices with adjustable voltage thresholds and alternative packaging formats
3. Cross-Manufacturer Equivalents – Parts from Microchip Technology meeting all electrical and mechanical requirements with compatible operating temperature ranges

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications): DS1232LPSN+ is the primary direct parametric equivalent, offering identical voltage thresholds (4.37V, 4.62V), output configuration, and operating temperature range (-40°C to 85°C). Both parts are ROHS3 compliant with MSL 1 rating and maintain the same 16-SOIC package footprint.

For Packaging Format Alternatives: ADM1232ARWZ and ADM1232ARWZ-REEL provide Analog Devices alternatives with adjustable voltage thresholds and fixed 250ms minimum reset timeout. These parts are suitable when production workflows require Tape & Reel packaging (ADM1232ARWZ-REEL, ADM1232ARWZ-REEL7) instead of Tube format. All variants maintain -40°C to 85°C operating temperature and ROHS3 compliance.

For Cross-Manufacturer Substitution: Microchip Technology TC1232 series parts (TC1232EOE, TC1232EOE713, TC1232COE, TC1232COE713) provide functional equivalence with fixed voltage thresholds (4.37V, 4.62V) and 250ms minimum reset timeout. TC1232EOE and TC1232EOE713 support the full -40°C to 85°C operating temperature range, matching the DS1232SN+ specification. TC1232COE and TC1232COE713 operate within 0°C to 70°C and are suitable only for applications not requiring extended low-temperature operation.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and 16-SOIC surface mount packaging. Selection should prioritize operating temperature range requirements and packaging format compatibility with assembly processes.

Frequently Asked Questions (FAQ)

Q: Can DS1232LPSN+ be used as a direct replacement for DS1232SN+? A: Yes. DS1232LPSN+ is a direct parametric equivalent with identical voltage thresholds (4.37V, 4.62V), output configuration (Open Drain, Push-Pull), reset logic (Active High/Active Low), and operating temperature range (-40°C to 85°C). Both are packaged in 16-SOIC and are ROHS3 compliant.

Q: What is the difference between ADM1232ARWZ and ADM1232ARWZ-REEL? A: The primary difference is packaging format. ADM1232ARWZ is supplied in Tube format, while ADM1232ARWZ-REEL and ADM1232ARWZ-REEL7 are supplied in Tape & Reel (TR) format. Electrical specifications and 16-SOIC package footprint are identical. Tape & Reel format is preferred for automated high-volume assembly processes.

Q: Can Microchip TC1232 parts replace the DS1232SN+? A: TC1232EOE and TC1232EOE713 are suitable replacements for applications requiring the full -40°C to 85°C operating temperature range. Both maintain the 4.37V and 4.62V voltage thresholds and 16-SOIC package. TC1232COE and TC1232COE713 operate only within 0°C to 70°C and are not suitable for applications requiring extended low-temperature operation below 0°C.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the DS1232SN+ compliance profile.

Q: What is the significance of adjustable versus fixed voltage thresholds? A: DS1232SN+ and DS1232LPSN+ feature fixed voltage thresholds at 4.37V and 4.62V. ADM1232ARWZ variants offer adjustable/selectable thresholds, providing design flexibility for applications requiring non-standard threshold values. Fixed thresholds are suitable for standard 5V supply monitoring applications.

Q: Does reset timeout affect substitution compatibility? A: Reset timeout specifications differ between part families. DS1232SN+ and DS1232LPSN+ feature adjustable/selectable reset timeout, while ADM1232 and TC1232 series specify 250ms minimum. Applications with specific reset timing requirements must verify compatibility with the substitute part's timeout specification.

Q: Can parts with different output configurations (Open Drain vs. Open Collector) be interchanged? A: Open Drain and Open Collector output configurations are functionally equivalent in most applications, both requiring external pull-up resistors. TC1232 series parts specify "Open Drain or Open Collector," providing compatibility with designs using either configuration.