AD7415ARTZ-1REEL Temperature Sensor Equivalent & Substitute Parts

Part Overview

The AD7415ARTZ-1REEL is a digital temperature sensor manufactured by Analog Devices Inc., designed for local temperature measurement across the -40°C to 125°C range with 10-bit resolution and I2C/SMBus output interface. The device is currently classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. This reference provides direct and similar substitute parts that maintain compatibility with the original electrical and mechanical specifications.

Substiute Parts

AD7415ARTZ-1REEL

Analog Devices Inc.In Stock: 1453AD7415ARTZ-1REEL Datasheet

Current PartRFQ

AD7415ARTZ-1REEL7

Analog Devices Inc.In Stock: 1394AD7415ARTZ-1REEL7 Datasheet

DirectRFQ

ADT7420UCPZ-R2

Analog Devices Inc.In Stock: 1459ADT7420UCPZ-R2 Datasheet

SimilarRFQ

MCP9844T-BE/MNY

Microchip TechnologyIn Stock: 6644MCP9844T-BE/MNY Datasheet

SimilarRFQ

MCP9844T-BE/MNYAA

Microchip TechnologyIn Stock: 1241MCP9844T-BE/MNYAA Datasheet

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MCP9844T-BE/MNYAB

Microchip TechnologyIn Stock: 6664MCP9844T-BE/MNYAB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AD7415ARTZ-1REEL are classified into two categories based on substitution compatibility:

Direct Substitutes (Pin-Compatible, Package-Compatible):

• AD7415ARTZ-1REEL7: Identical electrical specifications and package format. Differs only in product status (Active vs. Obsolete) and inventory availability.

Similar Substitutes (Functionally Equivalent, Different Package):

• ADT7420UCPZ-R2: Maintains I2C output, 2.7V–5.5V supply range, and surface mount configuration. Extends temperature range to -40°C ~ 150°C and improves resolution to 15 bits with enhanced accuracy (±0.2°C). Requires package transition from SOT-23-5 to 16-LFCSP-WQ.
• MCP9844T-BE/MNY, MCP9844T-BE/MNYAA, MCP9844T-BE/MNYAB: Microchip alternatives with I2C output and -40°C ~ 125°C operating range. Differ in supply voltage range (1.7V ~ 3.6V vs. 2.7V ~ 5.5V) and package format (8-TDFN vs. SOT-23-5).

Substitution eligibility is determined by: operating temperature range overlap, I2C/SMBus protocol compatibility, surface mount configuration, and supply voltage compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required): AD7415ARTZ-1REEL7 is the primary substitute. It maintains identical electrical specifications, package format, and pin configuration. The part is in active production status with ROHS3 compliance certification, ensuring long-term availability and regulatory alignment.

For Enhanced Performance (Design Modification Required): ADT7420UCPZ-R2 provides superior accuracy (±0.2°C vs. ±1.87°C) and extended temperature range (-40°C ~ 150°C). The 15-bit resolution offers improved measurement precision. Package transition from SOT-23-5 to 16-LFCSP-WQ requires PCB layout modification. Supply voltage compatibility (2.7V ~ 5.5V) remains unchanged. ROHS3 compliance and active production status support long-term deployment.

For Cost-Optimized Alternatives (Supply Voltage Consideration Required): MCP9844T-BE/MNY, MCP9844T-BE/MNYAA, and MCP9844T-BE/MNYAB offer I2C interface compatibility and matching temperature range. These Microchip devices operate at reduced supply voltage (1.7V ~ 3.6V), requiring voltage regulation verification in existing 2.7V ~ 5.5V systems. Package format (8-TDFN) differs from the original SOT-23-5. All variants maintain ROHS3 compliance and active production status.

Frequently Asked Questions (FAQ)

Q: Can AD7415ARTZ-1REEL7 be used as a direct drop-in replacement? A: Yes. AD7415ARTZ-1REEL7 is electrically and mechanically identical to the original part. No design modifications are required. Pin configuration, package footprint, and electrical specifications remain unchanged.

Q: What are the key differences between AD7415ARTZ-1REEL and ADT7420UCPZ-R2? A: ADT7420UCPZ-R2 provides higher resolution (15 bits vs. 10 bits), improved accuracy (±0.2°C vs. ±1.87°C), and extended temperature range (-40°C ~ 150°C vs. -40°C ~ 125°C). The package format changes from SOT-23-5 to 16-LFCSP-WQ, requiring PCB redesign. Supply voltage range remains compatible (2.7V ~ 5.5V).

Q: Are the Microchip MCP9844 variants compatible with existing 5V supply systems? A: MCP9844 devices operate at 1.7V ~ 3.6V supply voltage, which is narrower than the original AD7415ARTZ-1REEL specification (2.7V ~ 5.5V). Systems designed for 5V operation require voltage regulation to 3.3V or lower. Verify power supply architecture before substitution.

Q: Do all substitute parts support I2C communication? A: Yes. All listed substitutes support I2C or 2-Wire Serial output, maintaining protocol compatibility with the original AD7415ARTZ-1REEL I2C/SMBus interface.

Q: Which substitute offers the best accuracy for precision temperature measurement? A: ADT7420UCPZ-R2 provides the highest accuracy at ±0.2°C across the -10°C ~ 85°C test condition range. This represents a 9-fold improvement over the original part's ±1.87°C specification.

Q: Are all substitute parts RoHS compliant? A: Yes. AD7415ARTZ-1REEL7, ADT7420UCPZ-R2, and all MCP9844 variants are ROHS3 compliant, meeting current environmental and regulatory requirements.

Q: What is the primary reason to transition from AD7415ARTZ-1REEL? A: The original part is classified as obsolete. AD7415ARTZ-1REEL7 provides continuity with active production status. For new designs, ADT7420UCPZ-R2 or MCP9844 variants offer enhanced specifications and guaranteed long-term availability.