MAX146BEAP Equivalent & Substitute Parts

Part Overview

The MAX146BEAP is a 12-bit Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated, designed for data acquisition applications requiring SAR (Successive Approximation Register) architecture. The device features 4 or 8 configurable input channels with both differential and single-ended input support, operating at a sampling rate of 133 kSPS with SPI data interface compatibility.

The MAX146BEAP is classified as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Substiute Parts

MAX146BEAP

Analog Devices Inc./Maxim IntegratedIn Stock: 1176MAX146BEAP Datasheet

Current PartRFQ

MAX146BEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 2251MAX146BEAP+ Datasheet

DirectRFQ

MAX146AEAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1122MAX146AEAP+ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MAX146BEAP are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Primary Substitution Criteria:

• Resolution: 12 bits
• Sampling Rate: 133 kSPS
• Input Channels: 4, 8 configurable
• Input Types: Differential and Single Ended support
• Data Interface: SPI
• Architecture: SAR
• Reference Options: External and Internal
• Supply Voltage Ranges: Analog 2.7V ~ 3.6V, Digital 2.7V ~ 3.6V
• Operating Temperature: -40°C ~ 85°C
• Package: 20-SSOP form factor
• Mounting: Surface Mount

All identified substitutes maintain identical electrical specifications and mechanical compatibility with the original MAX146BEAP, ensuring direct functional replacement in existing designs.

Parameter Comparison

Engineering Selection Recommendations

MAX146BEAP+ (Direct Manufacturer Substitute)

The MAX146BEAP+ is the primary substitute for the obsolete MAX146BEAP. This part maintains complete electrical and mechanical compatibility while offering improved compliance status. The MAX146BEAP+ is classified as active product status, ensuring ongoing availability and manufacturer support. The part is ROHS3 compliant, meeting current environmental and regulatory requirements. Packaging is supplied in tube format, suitable for automated assembly processes.

MAX146AEAP+ (Parametric Equivalent)

The MAX146AEAP+ provides an alternative substitute option with identical electrical specifications and mechanical compatibility. This part is also classified as active product status with ROHS3 compliance certification. The MAX146AEAP+ is supplied in tube packaging and represents a functionally equivalent alternative for applications where the MAX146BEAP+ may not be available.

Both substitute parts eliminate the compliance and availability concerns associated with the obsolete MAX146BEAP while maintaining full functional compatibility in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can MAX146BEAP+ and MAX146AEAP+ be used interchangeably with MAX146BEAP?

A: Yes. Both substitute parts maintain identical electrical specifications, including 12-bit resolution, 133 kSPS sampling rate, 4/8 configurable input channels, SPI interface, and -40°C to 85°C operating temperature range. The 20-SSOP package and surface mount configuration are identical, enabling direct PCB-level replacement without design modification.

Q: What is the primary difference between MAX146BEAP+ and MAX146AEAP+?

A: Both parts are functionally equivalent with identical electrical and mechanical parameters. The distinction lies in product designation and availability. Both are active products with ROHS3 compliance and tube packaging. Selection between these two substitutes should be based on supplier availability and lead time.

Q: Why is the original MAX146BEAP classified as obsolete?

A: The MAX146BEAP is no longer in active production. The MAX146BEAP+ and MAX146AEAP+ represent the current active product line for this device family, offering improved compliance status and guaranteed long-term availability.

Q: Are there any compliance differences between the original and substitute parts?

A: Yes. The MAX146BEAP is RoHS non-compliant, while both MAX146BEAP+ and MAX146AEAP+ are ROHS3 compliant. Both substitute parts maintain REACH unaffected status and EAR99 export classification, matching the original part's regulatory profile in these categories.

Q: Does packaging format affect electrical performance?

A: No. The tube packaging format of the substitute parts does not affect electrical performance or functional compatibility. Packaging differences relate only to handling, storage, and assembly logistics.