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DS1706ESA Equivalent & Substitute Parts
Part Overview
The DS1706ESA is a single-channel power supply supervisor IC manufactured by Analog Devices Inc./Maxim Integrated, designed for power management and reset control applications. This component operates as a push-pull, totem pole output supervisor with active-low reset functionality and a 4.4V voltage threshold. The DS1706ESA is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts maintain functional equivalence through matching electrical parameters, package specifications, and operational characteristics while offering active product status and improved compliance certifications.
Substiute Parts
Key Parameters
| Parameter | DS1706ESA |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Power Management (PMIC) |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage Threshold | 4.4V |
| Output Configuration | Push-Pull, Totem Pole |
| Reset Logic | Active Low |
| Reset Timeout | 130ms Minimum |
| Operating Temperature Range | -40°C to 85°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | RoHS Non-Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the DS1706ESA are selected based on strict electrical and mechanical parameter matching. The primary substitution criteria are:
Critical Matching Parameters:
- Single-channel voltage monitoring configuration
- 4.4V voltage threshold (or functionally equivalent threshold within specified tolerance)
- Push-pull, totem pole output topology
- Active-low reset logic
- 8-SOIC surface mount package (0.154", 3.90mm width)
- Operating temperature range of -40°C to 85°C minimum
- Reset timeout specification of 130ms to 160ms minimum
Substitution Groups:
Group 1: Direct Analog Devices Equivalents (4.4V Threshold) DS1706ESA+ (Tube packaging, active product status, ROHS3 compliant) provides direct functional equivalence with improved compliance. ADM706ARZ, ADM706ARZ-REEL, and ADM706ARZ-REEL7 maintain the 4.4V threshold specification with 160ms reset timeout and active product status.
Group 2: Alternative Voltage Threshold (2.93V) ADM706SARZ and ADM706SARZ-REEL operate at 2.93V threshold, suitable only for applications where this lower threshold is functionally acceptable.
Group 3: Cross-Manufacturer Equivalents (4.4V Threshold) MIC706MY and MIC706MY-TR (Microchip Technology), SP706EN-L/TR (MaxLinear), and STM706YM7F (STMicroelectronics) provide functional equivalence with 4.4V threshold specifications and active product status. These parts maintain compatible output configurations and reset logic while offering alternative sourcing options.
Parameter Comparison
| Part Number | Manufacturer | Voltage Threshold | Output Type | Reset Logic | Reset Timeout (Min) | Operating Temp Range | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| DS1706ESA | Analog Devices Inc./Maxim | 4.4V | Push-Pull, Totem Pole | Active Low | 130ms | -40°C to 85°C | 8-SOIC | Obsolete | RoHS Non-Compliant |
| DS1706ESA+ | Analog Devices Inc./Maxim | 4.4V | Push-Pull, Totem Pole | Active Low | 130ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| ADM706ARZ | Analog Devices Inc. | 4.4V | Push-Pull, Totem Pole | Active Low | 160ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| ADM706ARZ-REEL | Analog Devices Inc. | 4.4V | Push-Pull, Totem Pole | Active Low | 160ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| ADM706ARZ-REEL7 | Analog Devices Inc. | 4.4V | Push-Pull, Totem Pole | Active Low | 160ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| ADM706SARZ | Analog Devices Inc. | 2.93V | Push-Pull, Totem Pole | Active Low | 160ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| ADM706SARZ-REEL | Analog Devices Inc. | 2.93V | Push-Pull, Totem Pole | Active Low | 160ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MIC706MY | Microchip Technology | 4.4V | Not Specified | Active Low | 140ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| MIC706MY-TR | Microchip Technology | 4.4V | Not Specified | Active Low | 140ms | -40°C to 85°C | 8-SOIC | Active | ROHS3 Compliant |
| SP706EN-L/TR | MaxLinear, Inc. | 4.4V | Not Specified | Active Low | 140ms | -40°C to 85°C | 8-SOIC | Active | RoHS Compliant |
| STM706YM7F | STMicroelectronics | 4.38V | Push-Pull, Totem Pole | Active Low | 140ms | -40°C to 125°C | 8-SOIC | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Recommendation: DS1706ESA+ DS1706ESA+ is the direct successor to DS1706ESA, maintaining identical electrical specifications while offering active product status and ROHS3 compliance. This part is the preferred choice for direct replacement in existing designs.
Secondary Recommendation: ADM706ARZ / ADM706ARZ-REEL / ADM706ARZ-REEL7 These Analog Devices parts provide 4.4V threshold equivalence with active product status and ROHS3 compliance. The 160ms reset timeout exceeds the DS1706ESA minimum specification of 130ms, making these parts functionally compatible. Packaging options (Tube, Cut Tape & Digi-Reel) accommodate different procurement and assembly requirements.
Cross-Manufacturer Options: MIC706MY, MIC706MY-TR, SP706EN-L/TR, STM706YM7F These parts maintain 4.4V threshold specifications and active-low reset logic with active product status and RoHS compliance. MIC706MY and SP706EN-L/TR specify 140ms reset timeout. STM706YM7F offers extended operating temperature range (-40°C to 125°C) and 4.38V threshold specification. Cross-manufacturer substitution requires design validation to confirm output topology compatibility where not explicitly specified.
Not Recommended for Direct Substitution: ADM706SARZ / ADM706SARZ-REEL These parts operate at 2.93V threshold, which differs from the DS1706ESA 4.4V specification. Selection of these parts is appropriate only when application requirements specifically call for lower voltage threshold operation.
Frequently Asked Questions (FAQ)
Q: Can DS1706ESA+ be used as a direct replacement for DS1706ESA? A: Yes. DS1706ESA+ maintains identical electrical specifications including 4.4V threshold, push-pull totem pole output, active-low reset logic, and 8-SOIC package. The primary differences are active product status and ROHS3 compliance certification.
Q: What is the functional difference between ADM706ARZ and DS1706ESA? A: ADM706ARZ maintains the 4.4V threshold and push-pull totem pole output configuration. The reset timeout specification increases from 130ms minimum to 160ms minimum, which is functionally compatible for applications tolerating longer reset assertion periods. ADM706ARZ offers active product status and ROHS3 compliance.
Q: Are MIC706MY and SP706EN-L/TR suitable replacements? A: MIC706MY and SP706EN-L/TR both maintain 4.4V threshold and active-low reset logic in 8-SOIC packages. However, output topology is not explicitly specified for these parts. Design validation is required to confirm push-pull totem pole output compatibility before substitution in applications requiring this specific output configuration.
Q: What is the significance of the STM706YM7F extended temperature range? A: STM706YM7F operates across -40°C to 125°C, compared to DS1706ESA -40°C to 85°C. This extended range is suitable for applications requiring higher temperature operation. The 4.38V threshold is functionally equivalent to the 4.4V specification within typical tolerance ranges.
Q: Why should ADM706SARZ not be selected as a substitute? A: ADM706SARZ operates at 2.93V threshold, which differs from DS1706ESA 4.4V specification. This lower threshold will cause the supervisor to assert reset at a different supply voltage level, making it unsuitable for applications designed around 4.4V threshold operation.
Q: What packaging options are available for ADM706 parts? A: ADM706ARZ is supplied in Tube packaging. ADM706ARZ-REEL and ADM706ARZ-REEL7 are supplied in Cut Tape (CT) & Digi-Reel format. Selection depends on assembly process requirements and procurement volume specifications.
Q: Are all substitute parts RoHS compliant? A: DS1706ESA is RoHS non-compliant. All recommended substitute parts (DS1706ESA+, ADM706 series, MIC706 series, SP706EN-L/TR, STM706YM7F) are RoHS3 compliant or RoHS compliant, meeting current environmental regulations.
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