MCP48FVB14-E/MQ Equivalent & Substitute Parts

Part Overview

The MCP48FVB14-E/MQ is a 10-bit digital-to-analog converter (DAC) manufactured by Microchip Technology, designed for data acquisition applications requiring four independent voltage output channels. This device operates across a wide supply voltage range of 2.7V to 5.5V for both analog and digital supplies, making it suitable for diverse embedded systems and industrial control applications. The part is actively produced and carries automotive-grade qualification under AEC-Q100 standards with ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance, package compatibility, and operational specifications align with the main part number, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

MCP48FVB14-E/MQ

Microchip TechnologyIn Stock: 911MCP48FVB14-E/MQ Datasheet

Current PartRFQ

MCP48FEB14-E/MQ

Microchip TechnologyIn Stock: 1180MCP48FEB14-E/MQ Datasheet

Parametric EquivalentRFQ

MCP48FEB18-E/MQ

Microchip TechnologyIn Stock: 1094MCP48FEB18-E/MQ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCP48FVB14-E/MQ are identified based on strict equivalence across the following critical parameters:

Resolution and Channel Count: All substitute parts maintain 10-bit resolution with four independent D/A converters, ensuring identical digital input word width and output channel configuration.

Electrical Performance: Settling time, INL/DNL specifications, output type (voltage unbuffered), and data interface (SPI) are identical across all parts, guaranteeing equivalent signal fidelity and timing characteristics.

Supply Voltage Compatibility: All parts operate across the identical 2.7V to 5.5V range for both analog and digital supplies, enabling direct substitution in existing power distribution architectures.

Package and Thermal Specifications: All parts use the 20-VQFN (5x5) exposed pad surface-mount package with identical thermal and mechanical footprints, supporting direct PCB layout compatibility.

Compliance and Grade: All substitute parts carry automotive-grade classification with AEC-Q100 qualification, ROHS3 compliance, and REACH unaffected status, maintaining regulatory and environmental requirements.

Reference Type: All parts utilize external reference architecture, requiring identical external reference circuit design.

Parameter Comparison

Engineering Selection Recommendations

All three parts—MCP48FVB14-E/MQ, MCP48FEB14-E/MQ, and MCP48FEB18-E/MQ—are active production devices from Microchip Technology with identical electrical specifications and package configurations. Selection between these parts is based on availability and supply chain considerations rather than functional differences.

MCP48FVB14-E/MQ serves as the primary reference part with 875 units in current inventory.

MCP48FEB14-E/MQ is a direct parametric equivalent with 1094 units available, offering increased stock availability.

MCP48FEB18-E/MQ is a direct parametric equivalent with 1050 units available, also offering increased stock availability.

All parts maintain automotive-grade qualification under AEC-Q100 standards and comply with ROHS3 and REACH regulatory requirements, ensuring suitability for automotive and industrial applications requiring environmental and compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can MCP48FEB14-E/MQ be used as a direct replacement for MCP48FVB14-E/MQ?

A: Yes. Both parts are identical in resolution (10-bit), channel count (4 converters), output type (voltage unbuffered), data interface (SPI), settling time (7.8µs typical), supply voltage range (2.7V to 5.5V), operating temperature range (-40°C to 125°C), package type (20-VQFN 5x5 exposed pad), and compliance certifications (AEC-Q100, ROHS3). Direct PCB substitution is supported without circuit modification.

Q: Can MCP48FEB18-E/MQ be used as a direct replacement for MCP48FVB14-E/MQ?

A: Yes. Both parts are identical in resolution (10-bit), channel count (4 converters), output type (voltage unbuffered), data interface (SPI), settling time (7.8µs typical), supply voltage range (2.7V to 5.5V), operating temperature range (-40°C to 125°C), package type (20-VQFN 5x5 exposed pad), and compliance certifications (AEC-Q100, ROHS3). Direct PCB substitution is supported without circuit modification.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by equivalence across resolution (10-bit), number of converters (4), output type (voltage unbuffered), data interface (SPI), settling time (7.8µs), INL/DNL specifications (±0.4LSB, ±0.05LSB), supply voltage range (2.7V to 5.5V for both analog and digital), operating temperature range (-40°C to 125°C), package type (20-VQFN 5x5 exposed pad), and reference type (external).

Q: Are all substitute parts automotive-qualified?

A: Yes. All three parts carry automotive-grade classification with AEC-Q100 qualification, ROHS3 compliance, and REACH unaffected status, meeting automotive industry standards and environmental regulations.

Q: Do all parts use the same package footprint?

A: Yes. All parts use the 20-VQFN (5x5) exposed pad surface-mount package with identical mechanical and thermal footprints, enabling direct PCB layout compatibility without redesign.

Q: What is the external reference requirement for these parts?

A: All parts utilize external reference architecture, requiring an external reference voltage source connected to the reference input pin. The reference voltage must be within the specified operating range for proper DAC operation.

Q: Are there differences in supply voltage requirements between the parts?

A: No. All parts operate across the identical 2.7V to 5.5V range for both analog and digital supplies, supporting direct substitution in existing power distribution designs.