MAX186DCAP Equivalent & Substitute Parts

Part Overview

The MAX186DCAP is a 12-bit Data Acquisition System (DAS) with 8 channels, 133k sampling rate, and serial data interface, manufactured by Analog Devices Inc./Maxim Integrated. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing system support and new designs. The MAX186DCAP operates across a 0°C to 70°C temperature range in a 20-SSOP surface mount package.

Substiute Parts

MAX186DCAP

Analog Devices Inc./Maxim IntegratedIn Stock: 23378MAX186DCAP Datasheet

Current PartRFQ

MAX186DCAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 2501MAX186DCAP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX186DCAP is determined by strict equivalence across the following critical parameters:

• Channel Count: 8 channels (fixed requirement)
• Resolution: 12 bits (fixed requirement)
• Sampling Rate: 133k samples per second (fixed requirement)
• Package: 20-SSOP form factor with identical 5.30mm width (fixed requirement)
• Mounting Type: Surface mount (fixed requirement)
• Voltage Supply Architecture: Dual ± supply configuration (fixed requirement)
• Data Interface Compatibility: Serial protocol support (minimum requirement)
• Operating Temperature Range: 0°C to 70°C (fixed requirement)

The MAX186DCAP+ qualifies as a direct substitute based on matching all critical electrical and mechanical parameters while offering enhanced product status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The MAX186DCAP+ is the direct equivalent substitute for the MAX186DCAP. Selection of the MAX186DCAP+ is justified on the following engineering grounds:

Product Status: The MAX186DCAP is obsolete, while the MAX186DCAP+ maintains active product status, ensuring continued availability and manufacturing support.

Regulatory Compliance: The MAX186DCAP+ achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. This compliance status is critical for applications subject to environmental regulations and procurement standards.

Functional Equivalence: Both parts maintain identical electrical specifications across all critical parameters: 8-channel configuration, 12-bit resolution, 133k sampling rate, dual ± supply architecture, and 20-SSOP package footprint.

Interface Capability: The MAX186DCAP+ supports expanded serial protocol options (MICROWIRE™, QSPI™, Serial, SPI™) while maintaining backward compatibility with the serial interface of the original part.

Supply Voltage Specification: The MAX186DCAP+ explicitly specifies ±5V supply voltage, providing design clarity for power distribution circuits.

Frequently Asked Questions (FAQ)

Q: Can the MAX186DCAP+ be used as a direct replacement for the MAX186DCAP in existing designs?

A: Yes. The MAX186DCAP+ is electrically and mechanically equivalent across all critical parameters: channel count, resolution, sampling rate, package type, and operating temperature range. Pin-for-pin compatibility and identical package footprint enable direct substitution without circuit redesign.

Q: What are the key differences between MAX186DCAP and MAX186DCAP+?

A: The primary differences are product status (obsolete vs. active), RoHS compliance (non-compliant vs. ROHS3 compliant), and expanded serial interface support (Serial only vs. MICROWIRE™, QSPI™, Serial, SPI™). Electrical performance and package specifications remain identical.

Q: Are there packaging differences between these parts?

A: The MAX186DCAP is supplied in standard packaging, while the MAX186DCAP+ is supplied in tube packaging. Both use the identical 20-SSOP (0.209", 5.30mm Width) surface mount package with matching pin configurations and footprints.

Q: Does the MAX186DCAP+ support the same serial protocols as the original part?

A: Yes. The MAX186DCAP+ supports Serial protocol along with additional protocol options (MICROWIRE™, QSPI™, SPI™). Designs using the original Serial interface will operate without modification.

Q: What is the moisture sensitivity level for both parts?

A: Both the MAX186DCAP and MAX186DCAP+ have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

Q: Are there supply voltage considerations when substituting?

A: The MAX186DCAP+ specifies ±5V supply voltage, providing explicit design guidance. Ensure your power distribution circuit supports this dual ± supply configuration. The original part maintains the same dual ± architecture.