MCP47FEB18-20E/ST Equivalent & Substitute Parts

Part Overview

The MCP47FEB18-20E/ST is a 10-bit Digital to Analog Converter (DAC) manufactured by Microchip Technology, designed for data acquisition applications requiring multiple voltage output channels. This Surface Mount device integrates 8 independent D/A converters in a 20-TSSOP package and operates across the industrial temperature range of -40°C to 125°C. The part is currently in Active product status with ROHS3 compliance and REACH unaffected classification.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same product category, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

MCP47FEB18-20E/ST

Microchip TechnologyIn Stock: 950MCP47FEB18-20E/ST Datasheet

Current PartRFQ

MCP47FVB18-20E/ST

Microchip TechnologyIn Stock: 774MCP47FVB18-20E/ST Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP47FEB18-20E/ST is determined by strict equivalence across the following critical parameters:

Resolution & Channel Configuration: 10-bit resolution with 8 independent D/A converters must be maintained to ensure functional compatibility with existing firmware and signal processing algorithms.

Timing Characteristics: Settling time of 6µs establishes the maximum conversion speed; substitute parts must match this specification to maintain system performance in time-critical applications.

Output Architecture: Both buffered and unbuffered voltage output capability must be preserved to support various load impedance requirements in the target application.

Communication Protocol: I2C data interface is mandatory for direct integration with existing control systems and microcontroller interfaces.

Linearity Performance: INL/DNL specification of ±0.5 LSB (Max) defines the accuracy threshold; substitutes must meet or exceed this linearity requirement.

Environmental & Mechanical Compatibility: Operating temperature range of -40°C to 125°C, 20-TSSOP package geometry, Surface Mount mounting type, and MSL 3 classification ensure thermal and assembly process compatibility.

Regulatory Compliance: ROHS3 compliance and REACH unaffected status must be maintained for supply chain and end-use market requirements.

Parameter Comparison

Engineering Selection Recommendations

The MCP47FVB18-20E/ST is a direct parametric equivalent to the MCP47FEB18-20E/ST. Both devices are manufactured by Microchip Technology and maintain identical electrical specifications, package geometry, and regulatory compliance status.

Product Status: Both parts are classified as Active, ensuring continued availability and manufacturer support.

Compliance & Certifications: Both devices carry ROHS3 compliance and REACH unaffected status, meeting current environmental and supply chain requirements for industrial and commercial applications.

Inventory Availability: Selection between these parts may be determined by current stock levels. The MCP47FEB18-20E/ST has 843 pieces in stock, while the MCP47FVB18-20E/ST has 707 pieces available.

Functional Interchangeability: The devices are electrically and mechanically interchangeable. No circuit modifications, firmware updates, or board layout changes are required when substituting between these part numbers.

Frequently Asked Questions (FAQ)

Q: Can the MCP47FVB18-20E/ST be used as a direct replacement for the MCP47FEB18-20E/ST?

A: Yes. Both devices are parametrically equivalent across all critical specifications including resolution, channel count, settling time, output type, data interface, linearity performance, operating temperature range, and package configuration. Direct substitution is supported without circuit or firmware modifications.

Q: Are there any differences in the 20-TSSOP package between these two parts?

A: No. Both parts use the identical 20-TSSOP package with 0.173" width and 4.40mm dimensions. Pin assignments, lead spacing, and mounting requirements are identical, enabling direct PCB compatibility.

Q: Do both parts support the same I2C communication protocol?

A: Yes. Both the MCP47FEB18-20E/ST and MCP47FVB18-20E/ST implement I2C data interface with identical protocol specifications, ensuring software compatibility without modification.

Q: What is the significance of the different base product numbers (MCP47FEB18 vs. MCP47FVB18)?

A: The base product number variation indicates different internal design or manufacturing process variants within the Microchip product line. However, the parametric specifications provided in this reference confirm functional equivalence for the specified 20-TSSOP package variants.

Q: Are the moisture sensitivity and RoHS compliance identical for both parts?

A: Yes. Both devices carry MSL 3 (168 Hours) classification and ROHS3 compliance status, ensuring identical handling requirements during storage, assembly, and deployment.

Q: Can these parts be used interchangeably in high-temperature industrial applications?

A: Yes. Both devices operate across the -40°C to 125°C temperature range, supporting identical thermal performance in industrial environments.