MAX186AEAP Equivalent & Substitute Parts

Part Overview

The MAX186AEAP is a 12-bit Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring simultaneous sampling of multiple analog input channels. This device features a successive approximation register (SAR) architecture with configurable input multiplexing and operates across industrial temperature ranges.

The MAX186AEAP is classified as obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain electrical compatibility across critical parameters including resolution, sampling rate, input configuration, supply voltage, and package specifications.

Substiute Parts

MAX186AEAP

Analog Devices Inc./Maxim IntegratedIn Stock: 2020MAX186AEAP Datasheet

Current PartRFQ

MAX186AEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 770MAX186AEAP+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX186AEAP is determined by strict alignment across the following critical parameters:

Resolution and Sampling Performance: Substitute parts must maintain 12-bit resolution and 133k samples-per-second sampling rate to ensure equivalent data acquisition fidelity and throughput.

Input Configuration: Substitute parts must support both 4 and 8 input channel configurations with simultaneous differential and single-ended input capability.

Serial Communication Protocol: Substitute parts must support SPI data interface as the primary communication standard, with additional protocol support (MICROWIRE, QSPI, Serial) permissible as extended functionality.

Voltage Supply Compatibility: Substitute parts must operate with dual ±5V or single 5V supply configurations for both analog and digital domains.

Package and Thermal Specifications: Substitute parts must be housed in 20-SSOP surface-mount packaging with identical thermal and mechanical footprint, and must maintain -40°C to 85°C operating temperature range.

Architecture: SAR (Successive Approximation Register) architecture is required to maintain functional equivalence.

The MAX186AEAP+ meets all substitution criteria and is identified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The MAX186AEAP+ is the direct functional equivalent for the obsolete MAX186AEAP. Both devices share identical electrical specifications, package footprint, and thermal operating range, ensuring pin-to-pin and functional compatibility.

The MAX186AEAP+ offers the additional advantage of active product status, ensuring continued availability and manufacturing support. The substitute part achieves ROHS3 compliance, whereas the original part is RoHS non-compliant, making the MAX186AEAP+ suitable for applications subject to environmental and regulatory restrictions.

Both parts maintain identical moisture sensitivity classification (MSL 1) and export control designations (ECCN EAR99, HTSUS 8542.39.0001), ensuring equivalent supply chain and logistics handling.

For new designs and production transitions, the MAX186AEAP+ is the recommended selection based on active product status and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the MAX186AEAP+ be used as a direct replacement for the MAX186AEAP?

A: Yes. Both parts are electrically and mechanically equivalent. The MAX186AEAP+ maintains identical 12-bit resolution, 133k sampling rate, 20-SSOP package footprint, and dual ±5V supply requirements. Pin configuration and functional behavior are identical.

Q: What is the primary difference between these two parts?

A: The MAX186AEAP is classified as obsolete with RoHS non-compliant status, while the MAX186AEAP+ is an active product with ROHS3 compliance. The MAX186AEAP+ also supports extended serial communication protocols (MICROWIRE, QSPI, Serial) in addition to SPI.

Q: Are there any package or thermal differences?

A: No. Both parts use identical 20-SSOP surface-mount packaging with 0.209" width (5.30mm) and operate across the same -40°C to 85°C temperature range. Moisture sensitivity classification (MSL 1) is identical.

Q: Does the MAX186AEAP+ support the same input configurations?

A: Yes. The MAX186AEAP+ supports 8-channel operation with both differential and single-ended input modes, maintaining full compatibility with the original part's 4 and 8 input channel configurations.

Q: What are the supply voltage requirements for the MAX186AEAP+?

A: The MAX186AEAP+ operates with dual ±5V supply for both analog and digital domains, identical to the MAX186AEAP specifications.

Q: Is the MAX186AEAP+ suitable for new designs?

A: Yes. The active product status and ROHS3 compliance make the MAX186AEAP+ the appropriate choice for new designs requiring 12-bit SAR ADC functionality with SPI interface and multi-channel input capability.