MAX186BEWP Equivalent & Substitute Parts

Part Overview

The MAX186BEWP 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 MAX186BEWP+ serves as the direct successor, offering enhanced compliance and active product status while maintaining core electrical and mechanical compatibility.

Substiute Parts

MAX186BEWP

Analog Devices Inc./Maxim IntegratedIn Stock: 2203MAX186BEWP Datasheet

Current PartRFQ

MAX186BEWP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1152MAX186BEWP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX186BEWP is determined by strict equivalence across the following parameters:

• Resolution (Bits): 12-bit conversion capability
• Channel Count: 8 independent input channels
• Sampling Rate: 133k samples per second minimum
• Data Interface: Serial protocol compatibility
• Voltage Supply Architecture: Dual ± supply configuration
• Operating Temperature Range: -40°C to 85°C minimum coverage
• Package and Pinout: 20-SOIC form factor with identical mechanical dimensions

The MAX186BEWP+ maintains all electrical specifications and physical packaging of the original part while providing improved product lifecycle status and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The MAX186BEWP+ is the direct equivalent for MAX186BEWP applications. Selection criteria are based on product lifecycle and regulatory compliance:

For new designs and ongoing production: Use MAX186BEWP+. This part maintains identical electrical performance and pinout while offering active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment.

For legacy system maintenance: MAX186BEWP+ provides pin-compatible substitution with no circuit redesign required. The expanded data interface options (MICROWIRE™, QSPI™, SPI™) in addition to Serial mode provide enhanced flexibility without affecting existing Serial-based implementations.

Compliance considerations: MAX186BEWP+ meets ROHS3 requirements, whereas the original MAX186BEWP does not. Organizations subject to RoHS regulations must transition to MAX186BEWP+.

Frequently Asked Questions (FAQ)

Q: Can MAX186BEWP+ directly replace MAX186BEWP in existing circuits?

A: Yes. MAX186BEWP+ is pin-compatible and maintains identical electrical specifications for 12-bit resolution, 8-channel configuration, 133k sampling rate, and dual ± supply voltage. No circuit modifications are required.

Q: What is the difference in data interface capabilities?

A: MAX186BEWP supports Serial interface only. MAX186BEWP+ supports Serial, MICROWIRE™, QSPI™, and SPI™ protocols. Existing Serial implementations function identically; the additional protocols are available for new applications.

Q: Are there packaging differences?

A: Both parts use identical 20-SOIC packaging (0.295", 7.50mm width) with surface mount configuration. Mechanical and thermal characteristics are equivalent.

Q: Why is MAX186BEWP classified as obsolete?

A: MAX186BEWP has reached end-of-life status. MAX186BEWP+ is the active replacement, offering improved regulatory compliance and ongoing manufacturer support.

Q: Does MAX186BEWP+ require different supply voltage?

A: No. Both parts operate on dual ± supply architecture. MAX186BEWP+ specifies ±5V, which is the standard operating point for this device family.

Q: Are moisture sensitivity levels the same?

A: Yes. Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.