MAX1285BCSA-T Equivalent & Substitute Parts

Part Overview

The MAX1285BCSA-T is a 12-bit Analog to Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for single-ended input data acquisition applications. This component features a Successive Approximation Register (SAR) architecture with a 300 kSPS sampling rate and SPI digital interface, housed in an 8-SOIC surface mount package.

The MAX1285BCSA-T is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

MAX1285BCSA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 687MAX1285BCSA-T Datasheet

Current PartRFQ

MAX1285BCSA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 757MAX1285BCSA+T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX1285BCSA-T is determined by strict equivalence across the following critical parameters:

• 12-bit resolution
• 300 kSPS sampling rate
• Single-ended input configuration
• SPI digital interface
• SAR architecture
• Internal reference type
• 2.7V to 3.6V supply voltage range (both analog and digital)
• 0°C to 70°C operating temperature range
• 8-SOIC package footprint and pinout compatibility
• Surface mount mounting type

The MAX1285BCSA+T meets all substitution criteria. The primary distinction between the main part and its substitute is packaging format and product status classification.

Parameter Comparison

Engineering Selection Recommendations

The MAX1285BCSA+T is the direct functional equivalent of the MAX1285BCSA-T. Both components share identical electrical specifications, pinout, and package footprint, enabling direct substitution at the circuit board level.

The MAX1285BCSA+T offers two significant advantages:

1. Active product status ensures ongoing manufacturer support, availability, and technical documentation access.
2. ROHS3 compliance satisfies regulatory requirements for new designs and applications subject to environmental standards.

The MAX1285BCSA-T remains suitable for legacy system maintenance and repair where existing inventory is available and regulatory compliance is not a constraint.

Frequently Asked Questions (FAQ)

Q: Can the MAX1285BCSA+T replace the MAX1285BCSA-T in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The MAX1285BCSA+T can be substituted directly without circuit modifications or PCB redesign.

Q: What is the difference between the "-T" and "+T" designations?

A: The "-T" designation indicates tube packaging; the "+T" designation indicates tape and reel packaging. Both are standard Analog Devices packaging formats. The electrical performance and pinout are identical.

Q: Does the RoHS compliance difference affect compatibility?

A: No. RoHS compliance is a manufacturing and material composition standard. It does not affect electrical performance or pin compatibility. The ROHS3-compliant MAX1285BCSA+T is suitable for applications requiring environmental compliance certification.

Q: Are there any pin configuration differences between these parts?

A: No. Both the MAX1285BCSA-T and MAX1285BCSA+T use the same 8-SOIC package with identical pinout and signal assignments.

Q: Which part should be selected for new designs?

A: The MAX1285BCSA+T is recommended for new designs due to its active product status and ROHS3 compliance. The MAX1285BCSA-T should be reserved for legacy system support where existing inventory is available.