MAX197ACAI Equivalent & Substitute Parts

Part Overview

The MAX197ACAI is a 12-bit Data Acquisition System (DAS) integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. This device features 8 channels, a 100 kHz sampling rate, and parallel data interface in a 28-SSOP surface mount package. The MAX197ACAI is classified as obsolete, making identification of suitable substitute components essential for ongoing system support, design updates, and procurement continuity.

Substiute Parts

MAX197ACAI

Analog Devices Inc./Maxim IntegratedIn Stock: 1993MAX197ACAI Datasheet

Current PartRFQ

MAX197ACAI+

Analog Devices Inc./Maxim IntegratedIn Stock: 18493MAX197ACAI+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX197ACAI is determined by strict equivalence across the following critical parameters:

• Channel Count: 8 channels (fixed requirement)
• Resolution: 12 bits (fixed requirement)
• Sampling Rate: 100 kHz (fixed requirement)
• Data Interface: Parallel (fixed requirement)
• Package Type: 28-SSOP (fixed requirement)
• Voltage Supply Configuration: Single Supply (fixed requirement)
• Operating Temperature Range: 0°C to 70°C (fixed requirement)

The MAX197ACAI+ qualifies as a direct substitute because it maintains identical electrical specifications and mechanical compatibility across all critical parameters. The primary distinction is product status: the MAX197ACAI+ is active and available, whereas the original MAX197ACAI is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The MAX197ACAI+ is the direct functional equivalent of the MAX197ACAI. Selection of the MAX197ACAI+ is supported by the following factors:

• Functional Equivalence: Identical channel count, resolution, sampling rate, data interface, and package configuration ensure pin-for-pin and functional compatibility.
• Product Availability: The MAX197ACAI+ is active and in production, with substantial inventory availability (18,431 units), whereas the MAX197ACAI is obsolete.
• Compliance Status: The MAX197ACAI+ meets ROHS3 compliance requirements, providing improved environmental and regulatory alignment compared to the non-compliant original part.
• Supply Voltage Specification: The MAX197ACAI+ explicitly specifies a supply voltage range of 4.75V to 5.25V, providing clear design guidance for single-supply applications.

For applications currently using the MAX197ACAI, transition to the MAX197ACAI+ requires no circuit redesign or layout modification due to identical package and electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can the MAX197ACAI+ be used as a direct replacement for the MAX197ACAI in existing designs?

A: Yes. The MAX197ACAI+ is functionally and mechanically equivalent. Both devices share identical channel count (8), resolution (12 bits), sampling rate (100 kHz), data interface (parallel), package type (28-SSOP), and operating temperature range (0°C to 70°C). No circuit modifications are required.

Q: What is the primary reason to transition from MAX197ACAI to MAX197ACAI+?

A: The MAX197ACAI is obsolete and no longer manufactured. The MAX197ACAI+ is the active equivalent, ensuring continued availability and supply chain reliability.

Q: Are there any compliance differences between the two parts?

A: Yes. The MAX197ACAI+ is ROHS3 compliant, whereas the original MAX197ACAI is RoHS non-compliant. This makes the MAX197ACAI+ suitable for applications with environmental and regulatory compliance requirements.

Q: Is the 28-SSOP package identical for both parts?

A: Yes. Both the MAX197ACAI and MAX197ACAI+ use the 28-SSOP package with 0.209" width (5.30mm). PCB footprints and assembly processes are identical.

Q: What supply voltage should be used with the MAX197ACAI+?

A: The MAX197ACAI+ operates with a single supply voltage range of 4.75V to 5.25V. This specification applies to the substitute part and should be verified against the original design requirements.

Q: Are there inventory considerations when sourcing the MAX197ACAI+?

A: The MAX197ACAI+ is available in substantial quantities (18,431 units in stock) in tube packaging, ensuring reliable procurement for production and replacement applications.