MIC863BM8-TR Equivalent & Substitute Parts

Part Overview

The MIC863BM8-TR is a general-purpose operational amplifier featuring dual circuits in a rail-to-rail configuration, packaged in SOT-23-8 surface mount format. Manufactured by Microchip Technology, this device is designed for low-power analog signal processing applications requiring dual-channel amplification with minimal supply current.

The MIC863BM8-TR is currently discontinued at DiGi Electronics. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production, maintenance, and new system implementations.

Substiute Parts

MIC863BM8-TR
Microchip TechnologyIn Stock: 1008MIC863BM8-TR Datasheet
MIC863BM8-TR
Current Part
MIC863YM8-TR
Microchip TechnologyIn Stock: 10010MIC863YM8-TR Datasheet
MIC863YM8-TR
Parametric Equivalent

Key Parameters

Parameter Value Unit
Amplifier Type General Purpose
Number of Circuits 2 Channels
Output Type Rail-to-Rail
Slew Rate 0.35 V/µs
Gain Bandwidth Product 450 kHz
-3dB Bandwidth 800 kHz
Current - Input Bias 10 pA
Voltage - Input Offset 100 µV
Current - Supply (per Channel) 4.2 µA
Current - Output per Channel 27 mA
Voltage - Supply Span (Min) 2 V
Voltage - Supply Span (Max) 5.25 V
Operating Temperature Range -40 to 85 °C
Package / Case SOT-23-8
Mounting Type Surface Mount
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MIC863BM8-TR is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

  • Dual-channel general-purpose operational amplifier architecture
  • Rail-to-rail output capability
  • Slew rate of 0.35 V/µs
  • Gain bandwidth product of 450 kHz
  • -3dB bandwidth of 800 kHz
  • Input bias current of 10 pA
  • Input offset voltage of 100 µV
  • Supply current of 4.2 µA per channel
  • Output current capability of 27 mA per channel
  • Supply voltage range: 2 V to 5.25 V
  • Operating temperature range: -40°C to 85°C

Mechanical Equivalence Criteria:

  • SOT-23-8 package / case format
  • Surface mount mounting type
  • Tape & Reel (TR) packaging configuration

Substitute parts must match all electrical parameters and mechanical specifications without deviation. Parts that differ in any of these parameters are not considered equivalent.

Parameter Comparison

Parameter MIC863BM8-TR (Main) MIC863YM8-TR (Substitute) Unit
Manufacturer Microchip Technology Microchip Technology
Category Linear, Amplifiers Linear, Amplifiers
Amplifier Type General Purpose General Purpose
Number of Circuits 2 2 Channels
Output Type Rail-to-Rail Rail-to-Rail
Slew Rate 0.35 0.35 V/µs
Gain Bandwidth Product 450 450 kHz
-3dB Bandwidth 800 800 kHz
Current - Input Bias 10 10 pA
Voltage - Input Offset 100 100 µV
Current - Supply (per Channel) 4.2 4.2 µA
Current - Output per Channel 27 27 mA
Voltage - Supply Span (Min) 2 2 V
Voltage - Supply Span (Max) 5.25 5.25 V
Operating Temperature Range -40 to 85 -40 to 85 °C
Package / Case SOT-23-8 SOT-23-8
Mounting Type Surface Mount Surface Mount
Packaging Tape & Reel (TR) Tape & Reel (TR)
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99
HTSUS 8542.33.0001 8542.33.0001

Engineering Selection Recommendations

MIC863YM8-TR as Primary Substitute:

The MIC863YM8-TR is a direct parametric equivalent to the MIC863BM8-TR. All electrical specifications, mechanical dimensions, and functional characteristics are identical. Both devices are manufactured by Microchip Technology and share the same base product number series (MIC863).

Compliance Advantage:

The MIC863YM8-TR carries RoHS3 compliance status, whereas the MIC863BM8-TR is RoHS non-compliant. For applications subject to RoHS regulatory requirements, the MIC863YM8-TR provides full compliance while maintaining complete electrical and mechanical equivalence.

Availability Consideration:

The MIC863YM8-TR currently maintains higher inventory availability (9985 Pcs) compared to the MIC863BM8-TR (908 Pcs). Both devices are classified as obsolete or discontinued at DiGi Electronics, indicating limited long-term availability from primary distributors.

Product Status:

Both the main part and substitute are end-of-life products. The MIC863YM8-TR is listed as Obsolete, while the MIC863BM8-TR is Discontinued at DiGi Electronics. For new designs or long-term production requirements, evaluation of alternative dual-channel operational amplifier architectures may be necessary.

Frequently Asked Questions (FAQ)

Q: Can MIC863YM8-TR be used as a direct replacement for MIC863BM8-TR in existing designs?

A: Yes. The MIC863YM8-TR is a direct parametric equivalent. All electrical specifications, including slew rate, gain bandwidth product, supply current, output current, and operating temperature range are identical. The package format (SOT-23-8) and mounting type (surface mount) are identical. No circuit modifications are required.

Q: What is the difference between MIC863BM8-TR and MIC863YM8-TR?

A: The primary difference is RoHS compliance status. The MIC863YM8-TR is RoHS3 compliant, while the MIC863BM8-TR is RoHS non-compliant. All other electrical and mechanical parameters are identical.

Q: Are there any thermal or performance differences between these two parts?

A: No. Both devices operate within the same temperature range (-40°C to 85°C) and deliver identical electrical performance. Supply current, output current, slew rate, and bandwidth specifications are equivalent.

Q: Can the MIC863YM8-TR be soldered using the same reflow profile as the MIC863BM8-TR?

A: Yes. Both devices use identical SOT-23-8 packaging and have the same Moisture Sensitivity Level (MSL 1). Standard surface mount assembly processes apply to both parts without modification.

Q: What is the significance of the MSL 1 rating?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture control during storage or handling. No baking or desiccant storage is required prior to assembly.

Q: Are both parts available in Tape & Reel packaging?

A: Yes. Both MIC863BM8-TR and MIC863YM8-TR are supplied in Tape & Reel (TR) configuration, suitable for automated pick-and-place assembly processes.

Q: What should be done if neither MIC863BM8-TR nor MIC863YM8-TR are available?

A: Both devices are end-of-life products with limited availability. For new designs or long-term production, alternative dual-channel general-purpose operational amplifiers with equivalent electrical specifications and SOT-23-8 packaging should be evaluated. Consult the substitute part list provided by the manufacturer for additional options.

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