MCP48FVB08-E/MQ Equivalent & Substitute Parts

Part Overview

The MCP48FVB08-E/MQ is an 8-bit digital-to-analog converter (DAC) manufactured by Microchip Technology, designed for data acquisition applications. This device integrates four independent DAC channels in a compact 20-VQFN surface-mount package with an exposed pad. The part is currently in active production status with automotive-grade qualification (AEC-Q100) and ROHS3 compliance.

Substitute parts are identified when design requirements allow for alternative component selections that maintain functional compatibility within the same electrical and mechanical parameter space. The MCP48FVB08-E/MQ has been identified as having parametric equivalents within the MCP48FVB series.

Substiute Parts

MCP48FVB08-E/MQ

Microchip TechnologyIn Stock: 868MCP48FVB08-E/MQ Datasheet

Current PartRFQ

MCP48FVB04-E/MQ

Microchip TechnologyIn Stock: 1300MCP48FVB04-E/MQ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCP48FVB08-E/MQ is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• 8-bit resolution
• 4 independent DAC channels
• 7.8µs typical settling time
• Voltage-unbuffered output configuration
• SPI serial data interface
• External reference input requirement
• 2.7V to 5.5V analog and digital supply voltage range
• ±0.4LSB INL and ±0.05LSB DNL specifications
• -40°C to 125°C operating temperature range

Mechanical Parameters:

• 20-VQFN package with exposed pad
• 5mm × 5mm footprint
• Surface-mount technology

Compliance Parameters:

• Automotive-grade qualification (AEC-Q100)
• ROHS3 compliance
• Active product status

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The MCP48FVB04-E/MQ is a direct parametric equivalent to the MCP48FVB08-E/MQ. Both devices share identical electrical specifications, package configuration, and compliance certifications. Selection between these parts is based on design requirements and supply chain availability.

Both parts maintain active product status with Microchip Technology, ensuring continued manufacturing support and supply reliability. Both devices carry automotive-grade qualification under AEC-Q100 standards, making them suitable for automotive and industrial applications requiring high reliability. ROHS3 compliance on both parts satisfies environmental and regulatory requirements for restricted substance management.

The identical electrical parameter set—including 8-bit resolution, 4-channel configuration, 7.8µs settling time, and ±0.4LSB/±0.05LSB accuracy specifications—ensures functional interchangeability in circuit designs. The 20-VQFN package with exposed pad provides identical thermal and electrical performance characteristics for both parts.

Frequently Asked Questions (FAQ)

Q: Are the MCP48FVB08-E/MQ and MCP48FVB04-E/MQ pin-compatible?

A: Yes. Both devices use the 20-VQFN package with identical pinout, footprint, and exposed pad configuration. PCB layout and assembly processes require no modification when substituting between these parts.

Q: Do these parts have identical settling time performance?

A: Yes. Both the MCP48FVB08-E/MQ and MCP48FVB04-E/MQ specify 7.8µs typical settling time, ensuring equivalent dynamic response characteristics in data acquisition circuits.

Q: Are both parts qualified for automotive applications?

A: Yes. Both devices carry automotive-grade qualification under AEC-Q100 standards and are suitable for automotive, industrial, and mission-critical applications requiring high reliability.

Q: What is the difference between these two part numbers?

A: The provided parameter data indicates these parts are parametric equivalents with identical electrical and mechanical specifications. Differences, if any, are not reflected in the supplied technical parameters.

Q: Can I use either part in a design requiring external voltage reference input?

A: Yes. Both devices feature external reference type configuration, requiring an external reference voltage source. The 2.7V to 5.5V supply voltage range applies to both analog and digital supplies on both parts.

Q: Are both parts ROHS3 compliant?

A: Yes. Both the MCP48FVB08-E/MQ and MCP48FVB04-E/MQ are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements.

Q: What is the operating temperature range for both parts?

A: Both devices operate across the -40°C to 125°C temperature range, suitable for industrial and automotive environments with extended temperature requirements.