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MAX6656MEE Temperature Sensor - Equivalent & Substitute Parts
Part Overview
The MAX6656MEE is a digital temperature sensor manufactured by Analog Devices Inc./Maxim Integrated, designed for local and remote temperature monitoring applications. This component operates across a -55°C to 125°C temperature range with 7-bit resolution and communicates via I2C/SMBus interface. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Sensor Type | Digital, Local/Remote |
| Sensing Temperature Range | -55°C ~ 125°C (Local and Remote) |
| Output Type | I2C/SMBus |
| Supply Voltage | 3V ~ 5.5V |
| Resolution | 7 bits |
| Accuracy | ±1.5°C (60°C ~ 100°C) / ±3°C (0°C ~ 125°C) |
| Package Type | 16-SSOP (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Features | Output Switch, Programmable Limit, Shutdown Mode, Standby Mode |
Substitute Part Grouping Explanation
Substitution eligibility for the MAX6656MEE is determined by strict alignment across the following critical parameters:
- Sensor Type: Must be Digital, Local/Remote configuration
- Temperature Range: Must support -55°C ~ 125°C for both local and remote sensing
- Output Interface: Must be I2C/SMBus compatible
- Supply Voltage: Must operate within 3V ~ 5.5V range
- Resolution: Must maintain 7-bit resolution
- Accuracy Specifications: Must meet ±1.5°C (60°C ~ 100°C) and ±3°C (0°C ~ 125°C) tolerances
- Package: Must be 16-SSOP form factor
- Feature Set: Must include Output Switch, Programmable Limit, Shutdown Mode, and Standby Mode
Only components matching all these parameters qualify as direct substitutes.
Parameter Comparison
| Parameter | MAX6656MEE (Main Part) | MAX6656MEE+ (Substitute) |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Active |
| Sensor Type | Digital, Local/Remote | Digital, Local/Remote |
| Sensing Temperature - Local | -55°C ~ 125°C | -55°C ~ 125°C |
| Sensing Temperature - Remote | -55°C ~ 125°C | -55°C ~ 125°C |
| Output Type | I2C/SMBus | I2C/SMBus |
| Supply Voltage | 3V ~ 5.5V | 3V ~ 5.5V |
| Resolution | 7 bits | 7 bits |
| Accuracy - Highest (Lowest) | ±1.5°C (±3°C) | ±1.5°C (±3°C) |
| Test Condition | 60°C ~ 100°C (0°C ~ 125°C) | 60°C ~ 100°C (0°C ~ 125°C) |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) |
| Features | Output Switch, Programmable Limit, Shutdown Mode, Standby Mode | Output Switch, Programmable Limit, Shutdown Mode, Standby Mode |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
The MAX6656MEE+ serves as the direct substitute for the obsolete MAX6656MEE. Both components are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications. The primary distinction is product status: the MAX6656MEE is obsolete while the MAX6656MEE+ maintains active production status.
For new designs and ongoing system support, the MAX6656MEE+ is the appropriate selection. Both parts maintain equivalent RoHS3 compliance and REACH unaffected status, ensuring regulatory alignment. The packaging format, pinout, and functional characteristics remain unchanged between the two variants, enabling direct substitution without circuit modification.
Frequently Asked Questions (FAQ)
Q: Can MAX6656MEE+ directly replace MAX6656MEE in existing designs?
A: Yes. The MAX6656MEE+ is a direct substitute with identical electrical specifications, package dimensions, pinout configuration, and functional features. No circuit modifications are required.
Q: What is the primary reason for substitution?
A: The MAX6656MEE is classified as obsolete. The MAX6656MEE+ is the active production equivalent from the same manufacturer, ensuring continued component availability and supply chain reliability.
Q: Are there differences in temperature sensing capability between these parts?
A: No. Both components provide identical local and remote temperature sensing across -55°C to 125°C with 7-bit resolution and ±1.5°C accuracy (60°C ~ 100°C) / ±3°C accuracy (0°C ~ 125°C).
Q: Do both parts support the same communication protocol?
A: Yes. Both MAX6656MEE and MAX6656MEE+ communicate via I2C/SMBus interface and operate within the 3V to 5.5V supply voltage range.
Q: Are there packaging differences?
A: The MAX6656MEE is supplied in standard packaging, while the MAX6656MEE+ is supplied in tube packaging. Both use the identical 16-SSOP form factor with 0.154" width (3.90mm).
Q: Do compliance certifications differ between the parts?
A: No. Both components maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification.
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