MIC862YM8-TR Equivalent & Substitute Parts

Part Overview

The MIC862YM8-TR is a general purpose operational amplifier featuring dual circuits in a SOT-23-8 surface mount package, manufactured by Microchip Technology. This device provides rail-to-rail output capability with a 3 MHz gain bandwidth product and operates across a 2V to 5.25V supply range. The MIC862YM8-TR is classified as obsolete, necessitating identification of active substitute components that maintain functional compatibility for existing designs or new production requirements.

Key Parameters

Parameter	Value
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Gain Bandwidth Product	3 MHz
Slew Rate	4 V/µs
Voltage - Supply Span (Min)	2 V
Voltage - Supply Span (Max)	5.25 V
Operating Temperature	-40°C ~ 85°C
Package / Case	SOT-23-8
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the MIC862YM8-TR is determined by the following critical parameters:

Primary Compatibility Criteria:

Dual-circuit (2 circuits) general purpose operational amplifier configuration
Rail-to-rail output capability
Surface mount packaging with 8-pin configuration
Supply voltage range compatibility (minimum 2V operation)
Operating temperature range (-40°C to 85°C minimum)

Secondary Compatibility Criteria:

Gain bandwidth product of 3 MHz or greater
Slew rate of 3.2 V/µs or greater
Input bias current and input offset voltage within acceptable design tolerances
Output current capability of 27 mA per channel or greater

The substitute parts are grouped into two categories based on package type: MSOP/SOIC variants (MCP6477 series) and SOT-23-8 variants (MAX4413EKA+T and MAX4471EKA+T). All substitutes maintain the dual-circuit general purpose amplifier topology with rail-to-rail output and active product status.

Parameter Comparison

Parameter	MIC862YM8-TR	MCP6477T-E/MS	MCP6477T-E/SN	MAX4413EKA+T	MAX4471EKA+T
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Amplifier Type	General Purpose	General Purpose	General Purpose	Voltage Feedback	General Purpose
Number of Circuits	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Slew Rate	4 V/µs	3.2 V/µs	3.2 V/µs	220 V/µs	0.002 V/µs
Gain Bandwidth Product	3 MHz	3 MHz	3 MHz	Not specified	9 kHz
Current - Input Bias	20 pA	1 pA	1 pA	1.6 µA	200 pA
Voltage - Input Offset	5 mV	1.6 mV	1.6 mV	400 µV	500 µV
Current - Supply	33 µA (x2 Channels)	140 µA	140 µA	1.7 mA (x2 Channels)	750 nA (x2 Channels)
Current - Output / Channel	27 mA	Not specified	Not specified	75 mA	36 mA
Voltage - Supply Span (Min)	2 V	1.8 V	1.8 V	2.7 V	1.8 V
Voltage - Supply Span (Max)	5.25 V	5.5 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	SOT-23-8	8-TSSOP, 8-MSOP	8-SOIC	SOT-23-8	SOT-23-8
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MCP6477T-E/MS and MCP6477T-E/SN (Microchip Technology)

These substitutes provide the closest functional match to the MIC862YM8-TR. Both variants maintain the 3 MHz gain bandwidth product and dual general purpose amplifier configuration. The MCP6477 series offers improved specifications including lower input bias current (1 pA vs. 20 pA) and lower input offset voltage (1.6 mV vs. 5 mV). Extended operating temperature range (-40°C to 125°C) provides additional margin beyond the original specification. Both parts are active products with ROHS3 compliance and full availability. Package selection between 8-MSOP (MCP6477T-E/MS) and 8-SOIC (MCP6477T-E/SN) depends on PCB layout requirements; both are standard surface mount packages with equivalent electrical performance.

MAX4413EKA+T (Analog Devices Inc./Maxim Integrated)

This substitute maintains SOT-23-8 package compatibility with the original MIC862YM8-TR, enabling direct board-level replacement without layout modification. The MAX4413 is classified as a voltage feedback amplifier with significantly higher slew rate (220 V/µs) and bandwidth performance. This device is suitable for applications requiring higher frequency response. Operating temperature range matches the original specification (-40°C to 85°C). ROHS3 compliance and active product status confirm long-term availability.

MAX4471EKA+T (Analog Devices Inc./Maxim Integrated)

This substitute provides SOT-23-8 package compatibility and maintains the dual general purpose amplifier configuration. The MAX4471 features ultra-low supply current (750 nA per channel) and is suitable for battery-powered or low-power applications. However, the gain bandwidth product (9 kHz) and slew rate (0.002 V/µs) are significantly reduced compared to the MIC862YM8-TR. This device is appropriate only for applications with low-frequency signal requirements. ROHS3 compliance and active product status are confirmed.

Selection Criteria Summary:

For direct functional replacement with improved specifications: MCP6477T-E/MS or MCP6477T-E/SN
For package-compatible replacement in SOT-23-8: MAX4413EKA+T (high-speed applications) or MAX4471EKA+T (low-power applications)
All substitutes are active products with confirmed ROHS3 compliance and adequate inventory availability

Frequently Asked Questions (FAQ)

Q: Can the MCP6477T-E/MS or MCP6477T-E/SN be used as direct replacements for the MIC862YM8-TR?

A: Both MCP6477 variants provide functional equivalence in terms of amplifier type, circuit count, output type, and gain bandwidth product. The primary difference is package format: MCP6477T-E/MS uses 8-MSOP and MCP6477T-E/SN uses 8-SOIC, whereas the original uses SOT-23-8. PCB layout modification is required. Electrical performance is equivalent or superior across all critical parameters.

Q: What is the key difference between MAX4413EKA+T and MAX4471EKA+T?

A: Both devices maintain SOT-23-8 package compatibility with the MIC862YM8-TR. The MAX4413 is a voltage feedback amplifier with high slew rate (220 V/µs) and bandwidth suitable for high-frequency applications. The MAX4471 is a general purpose amplifier with ultra-low supply current (750 nA) but significantly reduced bandwidth (9 kHz), making it suitable only for low-frequency signal processing.

Q: Does the MCP6477 series support the full supply voltage range of the MIC862YM8-TR?

A: The MCP6477 series supports 1.8V to 5.5V supply range, which encompasses the MIC862YM8-TR range of 2V to 5.25V. The lower minimum supply voltage (1.8V vs. 2V) provides additional design flexibility.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed (MCP6477T-E/MS, MCP6477T-E/SN, MAX4413EKA+T, and MAX4471EKA+T) are ROHS3 compliant, matching the compliance status of the MIC862YM8-TR.

Q: What is the impact of the extended operating temperature range in the MCP6477 series?

A: The MCP6477 series operates from -40°C to 125°C, compared to -40°C to 85°C for the MIC862YM8-TR. This extended upper temperature limit provides additional thermal margin in applications operating near the original specification limit, reducing design risk.

Q: Which substitute is recommended for new designs?

A: For new designs requiring general purpose dual-amplifier functionality with 3 MHz bandwidth, the MCP6477T-E/MS or MCP6477T-E/SN are recommended. These provide the closest functional match with improved specifications and extended temperature range. Package selection (MSOP vs. SOIC) should be based on PCB layout requirements and manufacturing capabilities.

Q: Can the MAX4471EKA+T replace the MIC862YM8-TR in all applications?

A: No. The MAX4471EKA+T has a gain bandwidth product of 9 kHz, which is significantly lower than the MIC862YM8-TR (3 MHz). This device is suitable only for DC and very low-frequency applications. Applications requiring 3 MHz bandwidth or higher must use MCP6477 variants or MAX4413EKA+T.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message