MCP616-I/MS Equivalent & Substitute Parts

Part Overview

The MCP616-I/MS is a general purpose operational amplifier manufactured by Microchip Technology, housed in an 8-MSOP surface mount package. This rail-to-rail amplifier is designed for low-power applications requiring single-circuit amplification with minimal input bias current. The part is currently in active production status with 776 units in stock.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained within the specified parameter ranges. Alternative sourcing becomes necessary due to supply chain considerations, packaging format availability, or inventory levels across different manufacturers and distribution channels.

Substiute Parts

MCP616-I/MS

Microchip TechnologyIn Stock: 869MCP616-I/MS Datasheet

Current PartRFQ

MCP616T-I/MS

Microchip TechnologyIn Stock: 2851MCP616T-I/MS Datasheet

DirectRFQ

LTC6800HMS8#PBF

Analog Devices Inc.In Stock: 1432LTC6800HMS8#PBF Datasheet

MFR RecommendedRFQ

LTC6800HMS8#TRPBF

Analog Devices Inc.In Stock: 2108LTC6800HMS8#TRPBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the MCP616-I/MS is based on the following criteria:

Primary Substitution (Packaging Format Variant): MCP616T-I/MS is a direct equivalent from Microchip Technology with identical electrical specifications. The substitution is valid because all critical parameters match: amplifier type (general purpose), number of circuits (1), output type (rail-to-rail), slew rate (0.08 V/µs), gain bandwidth product (190 kHz), input bias current (15 nA), input offset voltage (150 µV), supply current (19 µA), output current (17 mA), supply voltage range (2.3–5.5 V), and operating temperature range (-40 to 85°C). The only difference is packaging format: MCP616T-I/MS is supplied in Tape & Reel format versus Tube format for MCP616-I/MS. Both use the 8-MSOP package footprint.

Secondary Substitution (Cross-Manufacturer, Different Amplifier Class): LTC6800HMS8#PBF and LTC6800HMS8#TRPBF are manufactured by Analog Devices Inc. These parts are classified as instrumentation amplifiers rather than general purpose amplifiers. Substitution is limited to applications where the instrumentation amplifier topology is functionally acceptable. Electrical parameters differ: slew rate (0.2 V/µs versus 0.08 V/µs), gain bandwidth product (200 kHz versus 190 kHz), input bias current (4 nA versus 15 nA), input offset voltage (100 µV versus 150 µV), supply current (1.3 mA versus 19 µA), minimum supply voltage (2.7 V versus 2.3 V), and maximum operating temperature (125°C versus 85°C). Both LTC6800 variants share the 8-MSOP package footprint and rail-to-rail output configuration.

Parameter Comparison

Engineering Selection Recommendations

MCP616T-I/MS Selection: MCP616T-I/MS is the preferred direct substitute when packaging format flexibility is acceptable. This part maintains identical electrical specifications and operating characteristics as MCP616-I/MS. Selection is appropriate for high-volume production environments where Tape & Reel packaging is standard. All compliance certifications (ROHS3, REACH Unaffected, EAR99) are equivalent. Inventory availability is higher (2750 units) compared to the tube-packaged variant.

LTC6800HMS8#PBF and LTC6800HMS8#TRPBF Selection: These Analog Devices instrumentation amplifiers are substitutes only when the application circuit topology can accommodate an instrumentation amplifier architecture. These parts are not interchangeable in all general purpose amplifier applications. Selection requires circuit-level verification. Advantages include lower input bias current (4 nA versus 15 nA), lower input offset voltage (100 µV versus 150 µV), higher slew rate (0.2 V/µs versus 0.08 V/µs), and extended operating temperature range (-40 to 125°C versus -40 to 85°C). Disadvantages include significantly higher supply current (1.3 mA versus 19 µA) and higher minimum supply voltage requirement (2.7 V versus 2.3 V). LTC6800HMS8#TRPBF offers higher inventory (2000 units) in Cut Tape & Digi-Reel format.

All substitute parts are active products with ROHS3 compliance and MSL 1 rating, suitable for standard surface mount assembly processes.

Frequently Asked Questions (FAQ)

Q: Can MCP616T-I/MS be used as a direct replacement for MCP616-I/MS in existing designs?

A: Yes. MCP616T-I/MS is electrically and mechanically identical to MCP616-I/MS. The only difference is packaging format (Tape & Reel versus Tube). Both parts use the 8-MSOP footprint and share all electrical specifications. Substitution is valid for PCB assembly without design changes.

Q: What is the primary difference between MCP616-I/MS and the LTC6800 series?

A: MCP616-I/MS is a general purpose operational amplifier, while LTC6800HMS8#PBF and LTC6800HMS8#TRPBF are instrumentation amplifiers. These are different amplifier topologies with different internal circuit architectures. Instrumentation amplifiers provide higher input impedance and better common-mode rejection, but require different biasing and feedback networks. Substitution is not valid for all applications.

Q: Are the LTC6800 parts suitable for low-power applications?

A: No. LTC6800 parts consume 1.3 mA supply current compared to 19 µA for MCP616-I/MS. This 68-fold increase in supply current makes LTC6800 unsuitable for battery-powered or ultra-low-power applications. LTC6800 selection is appropriate only when higher performance metrics (lower input bias current, lower offset voltage, higher slew rate) justify the increased power consumption.

Q: Do all substitute parts share the same package footprint?

A: Yes. MCP616-I/MS, MCP616T-I/MS, LTC6800HMS8#PBF, and LTC6800HMS8#TRPBF all use the 8-MSOP package with 0.118" (3.00mm) width. PCB footprints are identical, and parts are mechanically interchangeable at the board level.

Q: What is the difference between LTC6800HMS8#PBF and LTC6800HMS8#TRPBF?

A: Both parts are electrically identical. The difference is packaging format: LTC6800HMS8#PBF is supplied in Tube format, while LTC6800HMS8#TRPBF is supplied in Cut Tape & Digi-Reel format. Selection depends on assembly process requirements and inventory management preferences.

Q: Are all substitute parts RoHS compliant?

A: Yes. MCP616-I/MS, MCP616T-I/MS, LTC6800HMS8#PBF, and LTC6800HMS8#TRPBF are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. All parts are suitable for standard surface mount assembly without special handling requirements.

Q: Can MCP616-I/MS operate at temperatures above 85°C?

A: No. MCP616-I/MS operating temperature range is -40 to 85°C. For applications requiring operation above 85°C, LTC6800HMS8#PBF or LTC6800HMS8#TRPBF extend the upper limit to 125°C. However, this substitution requires verification that instrumentation amplifier topology is functionally acceptable for the application.