MIC862BM8-TR Equivalent & Substitute Parts

Part Overview

The MIC862BM8-TR is a general-purpose operational amplifier featuring dual circuits in a SOT-23-8 surface mount package. This device is designed for rail-to-rail output applications with a supply voltage range of 2V to 5.25V and operating temperature range of -40°C to 85°C. The MIC862BM8-TR is discontinued at DiGi Electronics, necessitating identification of functionally compatible substitute components for ongoing design support and procurement.

Substiute Parts

MIC862BM8-TR

Microchip TechnologyIn Stock: 997MIC862BM8-TR Datasheet

Current PartRFQ

MAX4471EKA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 4383MAX4471EKA+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC862BM8-TR is determined by the following critical parameters:

Mechanical Compatibility:

• Package type: SOT-23-8 (8-pin small outline transistor)
• Mounting type: Surface Mount
• Pin configuration must match existing PCB layouts

Functional Compatibility:

• Amplifier type: General Purpose
• Number of circuits: 2 (dual op-amp configuration)
• Output type: Rail-to-Rail
• Supply voltage range: Minimum 2V, Maximum 5.25V
• Operating temperature range: -40°C to 85°C

The MAX4471EKA+T meets all mechanical and functional compatibility requirements, sharing identical package specifications and circuit configuration while maintaining the required operating parameters.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MIC862BM8-TR is discontinued at DiGi Electronics, while the MAX4471EKA+T maintains active product status with 4350 units in stock. This availability difference is a primary factor for component selection in new procurement activities.

Compliance Consideration: The MAX4471EKA+T is ROHS3 compliant, whereas the MIC862BM8-TR is RoHS non-compliant. For applications subject to RoHS regulations or customer requirements, the MAX4471EKA+T provides regulatory alignment.

Supply Voltage Compatibility: The MAX4471EKA+T operates across a wider supply voltage range (1.8V to 5.5V) compared to the MIC862BM8-TR (2V to 5.25V). This extended range provides additional design flexibility for low-voltage applications while maintaining full compatibility with the original specification range.

Mechanical and Functional Equivalence: Both devices share identical SOT-23-8 packaging, dual-circuit configuration, rail-to-rail output capability, and matching operating temperature range. Pin-for-pin compatibility is maintained, enabling direct substitution in existing PCB designs without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the MAX4471EKA+T be used as a direct replacement for the MIC862BM8-TR?

A: Yes. Both devices share identical SOT-23-8 package specifications, dual-circuit configuration, rail-to-rail output type, and operating temperature range (-40°C to 85°C). The supply voltage range of the MAX4471EKA+T (1.8V to 5.5V) encompasses the original specification (2V to 5.25V), ensuring functional compatibility in all applications designed for the MIC862BM8-TR.

Q: What are the key differences between these two parts?

A: The primary differences are product status, compliance certification, and supply current characteristics. The MAX4471EKA+T is an active product with ROHS3 compliance, while the MIC862BM8-TR is discontinued and RoHS non-compliant. The MAX4471EKA+T also features lower supply current consumption and an extended minimum supply voltage specification.

Q: Are there any PCB layout considerations when substituting these parts?

A: No. Both devices use the SOT-23-8 package with identical pin configurations. No PCB modifications, layout changes, or rerouting are required for substitution.

Q: Which part should be selected for new designs?

A: The MAX4471EKA+T is the appropriate selection for new designs. It offers active product status, improved availability, ROHS3 compliance, and extended supply voltage range, while maintaining full functional equivalence to the MIC862BM8-TR.

Q: Is the MAX4471EKA+T suitable for low-voltage applications below 2V?

A: The MAX4471EKA+T supports operation down to 1.8V supply voltage, enabling applications below the original MIC862BM8-TR minimum specification of 2V. However, circuit design must ensure all signal levels remain within the device's operating range.