MAX186ACAP+ Equivalent & Substitute Parts

Part Overview

The MAX186ACAP+ is a Data Acquisition System (DAS) with integrated 12-bit ADC functionality, manufactured by Analog Devices Inc./Maxim Integrated. This component features 8 channels, a 133 kHz sampling rate, and supports multiple serial communication protocols including MICROWIRE™, QSPI™, and SPI™. The device operates with dual ±5V supply voltage and is housed in a 20-SSOP surface mount package. The MAX186ACAP+ maintains Active product status and is ROHS3 compliant. Identifying equivalent and substitute parts is essential for supply chain continuity, inventory optimization, and design flexibility when the primary part becomes unavailable or when alternative operating temperature ranges are required.

Substiute Parts

MAX186ACAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 797MAX186ACAP+ Datasheet

Current PartRFQ

MAX186ACAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 797MAX186ACAP+ Datasheet

DirectRFQ

MAX186DEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 850MAX186DEAP+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX186ACAP+ is determined by strict alignment of the following critical parameters:

• Number of Channels: 8 channels (fixed requirement)
• Resolution: 12 bits (fixed requirement)
• Sampling Rate: 133 kHz (fixed requirement)
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™ (fixed requirement)
• Voltage Supply Source: Dual ± (fixed requirement)
• Voltage - Supply: ±5V (fixed requirement)
• Package / Case: 20-SSOP (0.209", 5.30mm Width) (fixed requirement)
• Mounting Type: Surface Mount (fixed requirement)

The MAX186DEAP+ qualifies as a manufacturer-recommended substitute. Both parts share identical electrical specifications, channel configuration, resolution, sampling rate, communication protocols, supply voltage, and package form factor. The primary distinction is the operating temperature range: MAX186ACAP+ operates from 0°C to 70°C, while MAX186DEAP+ operates from -40°C to 85°C. This extended temperature capability in the MAX186DEAP+ makes it suitable for applications requiring broader thermal performance without compromising any core functional parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the MAX186ACAP+ and MAX186DEAP+ maintain Active product status and are ROHS3 compliant with identical MSL ratings. Selection between these parts should be based on application thermal requirements:

• MAX186ACAP+: Select for applications operating within the 0°C to 70°C range where the narrower temperature specification is sufficient and cost optimization is a priority.

• MAX186DEAP+: Select for applications requiring extended thermal performance, including industrial or automotive environments operating between -40°C and 85°C. The manufacturer recommends this variant for designs requiring broader temperature coverage without functional compromise.

Both parts are functionally interchangeable at the electrical and mechanical level within their respective operating temperature ranges. The identical package footprint (20-SSOP), pin configuration, supply voltage requirements, and communication protocols ensure direct substitution capability in PCB designs.

Frequently Asked Questions (FAQ)

Q: Can MAX186DEAP+ replace MAX186ACAP+ in all applications?

A: MAX186DEAP+ is electrically and mechanically compatible with MAX186ACAP+ for all applications. The primary difference is the extended operating temperature range (-40°C to 85°C versus 0°C to 70°C). If your application operates within the 0°C to 70°C range, both parts are functionally equivalent. If your application requires operation below 0°C or above 70°C, MAX186DEAP+ is the appropriate selection.

Q: Are there any PCB layout or design changes required when substituting MAX186DEAP+ for MAX186ACAP+?

A: No design changes are required. Both parts use the identical 20-SSOP package with the same pin configuration, footprint dimensions (0.209" width, 5.30mm), and mounting type (Surface Mount). Direct PCB substitution is possible without layout modifications.

Q: What is the significance of the temperature range difference between these parts?

A: The operating temperature range defines the thermal environment in which the component maintains specified electrical performance. MAX186ACAP+ is rated for commercial temperature ranges (0°C to 70°C), while MAX186DEAP+ is rated for extended industrial temperature ranges (-40°C to 85°C). Selection depends on your application's thermal environment.

Q: Do both parts support the same communication protocols?

A: Yes. Both MAX186ACAP+ and MAX186DEAP+ support identical data interfaces: MICROWIRE™, QSPI™, Serial, and SPI™. No firmware or software modifications are required when substituting between these parts.

Q: Are both parts RoHS compliant?

A: Yes. Both MAX186ACAP+ and MAX186DEAP+ are ROHS3 compliant with MSL rating of 1 (Unlimited), ensuring compliance with environmental and regulatory requirements.

Q: What is the base product number for these parts?

A: The base product number is MAX186. Both MAX186ACAP+ and MAX186DEAP+ are variants of this base product, differentiated primarily by temperature rating and packaging designations.