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MAX707CSA Equivalent & Substitute Parts
Part Overview
The MAX707CSA is a single-channel power supply supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, designed for power-on reset and supervisory functions in power management applications. This device operates as a simple reset controller with push-pull output configuration and monitors a single voltage threshold at 4.65V. The MAX707CSA is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support, maintenance, and new design implementations where active alternatives are required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MAX707CSA |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Power Management (PMIC) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4.65V |
| Output Configuration | Push-Pull, Push-Pull |
| Reset | Active High/Active Low |
| Reset Timeout | 140ms Minimum |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the MAX707CSA is determined by strict alignment of the following critical parameters:
Primary Substitution Criteria:
- Package type: 8-SOIC form factor (0.154", 3.90mm Width)
- Functional type: Simple Reset/Power-On Reset supervisor
- Number of monitored voltages: 1 channel
- Voltage threshold: 4.65V (±tolerance)
- Output configuration: Push-Pull topology
- Reset polarity: Active High/Active Low capability
- Reset timeout: 140ms minimum
- Mounting: Surface Mount
Secondary Considerations:
- Operating temperature range (extended range preferred for reliability)
- RoHS compliance status (ROHS3 Compliant preferred for new designs)
- Product status (Active preferred over obsolete)
- Packaging format (Tube, Tape & Reel, or Cut Tape & Digi-Reel)
Substitute parts must maintain electrical and mechanical compatibility within the specified parameter tolerances. Parts are grouped by their alignment with these criteria.
Parameter Comparison
| Parameter | MAX707CSA | MAX707CSA+ | STM707M6F | ADM707ARZ | ADM707ARZ-REEL | SP707EN-L/TR |
|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | STMicroelectronics | Analog Devices Inc. | Analog Devices Inc. | MaxLinear, Inc. |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Type | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Threshold | 4.65V | 4.65V | 4.63V | 4.65V | 4.65V | 4.65V |
| Output Configuration | Push-Pull, Push-Pull | Push-Pull, Push-Pull | Push-Pull, Totem Pole | Push-Pull, Push-Pull | Push-Pull, Push-Pull | Not specified |
| Reset | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low | Active High/Active Low |
| Reset Timeout | 140ms Minimum | 140ms Minimum | 140ms Minimum | 160ms Minimum | 160ms Minimum | 140ms Minimum |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitute: MAX707CSA+
The MAX707CSA+ is the direct active equivalent from the original manufacturer. It maintains identical electrical specifications including 4.65V threshold, 140ms reset timeout, and push-pull output configuration. The primary advantage is transition from obsolete to active product status with ROHS3 compliance. This part is recommended as the first choice for direct replacement in existing designs.
Secondary Substitutes: ADM707ARZ and ADM707ARZ-REEL
Both ADM707ARZ variants are manufacturer-recommended alternatives from Analog Devices Inc. These parts maintain the 4.65V threshold and push-pull output configuration. The reset timeout specification is 160ms minimum, which exceeds the original 140ms requirement and remains compatible. Extended operating temperature range (-40°C ~ 85°C) provides improved thermal performance. ROHS3 compliance supports modern manufacturing standards. The ADM707ARZ-REEL variant offers Cut Tape & Digi-Reel packaging for high-volume applications.
Tertiary Substitute: STM707M6F
The STM707M6F from STMicroelectronics provides functional equivalence with identical 140ms reset timeout and 4.63V threshold (within tolerance of 4.65V specification). Output configuration differs as Totem Pole rather than Push-Pull; this requires circuit-level evaluation for compatibility. Extended operating temperature range (-40°C ~ 85°C) and ROHS3 compliance are present. Tape & Reel packaging supports automated assembly.
Alternative Substitute: SP707EN-L/TR
The SP707EN-L/TR from MaxLinear, Inc. maintains 4.65V threshold and 140ms reset timeout specifications. Output configuration is not specified in available data. Extended operating temperature range (-40°C ~ 85°C) and RoHS compliance are provided. This part represents a cross-manufacturer alternative where primary options are unavailable.
Compliance Considerations:
For new designs or systems requiring regulatory compliance, MAX707CSA+, ADM707ARZ, ADM707ARZ-REEL, and STM707M6F all provide ROHS3 compliance. The original MAX707CSA is RoHS non-compliant and should not be used in new applications subject to RoHS requirements.
Frequently Asked Questions (FAQ)
Q: Can MAX707CSA+ be used as a direct replacement for MAX707CSA?
A: Yes. MAX707CSA+ is the active equivalent from the original manufacturer with identical electrical specifications (4.65V threshold, 140ms reset timeout, push-pull output). The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required.
Q: What is the difference between ADM707ARZ and ADM707ARZ-REEL?
A: Both parts are electrically identical. The difference is packaging format: ADM707ARZ is supplied in Tube packaging, while ADM707ARZ-REEL is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly process requirements and volume.
Q: Can STM707M6F replace MAX707CSA in all applications?
A: STM707M6F maintains functional equivalence for voltage threshold (4.63V vs. 4.65V) and reset timeout (140ms). However, the output configuration differs (Totem Pole vs. Push-Pull). Circuit-level evaluation is required to confirm compatibility with existing output stage design and load characteristics.
Q: Why does ADM707ARZ have a 160ms reset timeout instead of 140ms?
A: The 160ms specification represents the minimum reset timeout for the ADM707ARZ. This exceeds the original 140ms requirement and remains compatible with designs that tolerate longer reset assertion periods. Applications with strict timing requirements should confirm compatibility.
Q: What is the operating temperature difference between MAX707CSA and substitute parts?
A: MAX707CSA operates 0°C ~ 70°C. Most substitute parts (STM707M6F, ADM707ARZ, ADM707ARZ-REEL, SP707EN-L/TR) operate -40°C ~ 85°C. The extended range provides improved reliability in wider environmental conditions and is suitable for industrial and automotive applications.
Q: Are all substitute parts RoHS compliant?
A: MAX707CSA+ (ROHS3), STM707M6F (ROHS3), ADM707ARZ (ROHS3), ADM707ARZ-REEL (ROHS3), and SP707EN-L/TR (RoHS Compliant) all meet RoHS requirements. The original MAX707CSA is RoHS non-compliant.
Q: Which substitute part has the highest inventory availability?
A: STM707M6F has 11,233 pieces in stock. ADM707ARZ has 16,100 pieces. ADM707ARZ-REEL has 9,900 pieces. MAX707CSA+ has 1,120 pieces. Inventory levels should be confirmed with suppliers for current availability.
Q: Can SP707EN-L/TR be used if other substitutes are unavailable?
A: SP707EN-L/TR maintains 4.65V threshold and 140ms reset timeout specifications. However, output configuration is not specified in available technical data. This part represents a cross-manufacturer alternative suitable when primary options are unavailable, subject to circuit-level compatibility confirmation.
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