MCP48FVB18-E/MQ Equivalent & Substitute Parts

Part Overview

The MCP48FVB18-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 component operates across a wide supply voltage range of 2.7V to 5.5V for both analog and digital supplies, with an operating temperature range of -40°C to 125°C. The device is qualified to AEC-Q100 automotive standards and is RoHS3 compliant.

The MCP48FVB18-E/MQ is currently in active production status with 1133 units in stock. Substitute parts are identified based on matching electrical specifications, package configuration, and compliance certifications to ensure direct functional equivalence in system designs.

Substiute Parts

MCP48FVB18-E/MQ

Microchip TechnologyIn Stock: 1216MCP48FVB18-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 MCP48FVB18-E/MQ are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters that must remain constant:

• Resolution: 10-bit digital-to-analog conversion
• Channel Count: 4 independent D/A converters
• Settling Time: 7.8µs typical response time
• Output Configuration: Voltage output, unbuffered topology
• Serial Interface: SPI protocol for digital control
• Supply Voltage Range: 2.7V to 5.5V for both analog and digital supplies
• Accuracy Specifications: INL/DNL of ±0.4LSB and ±0.05LSB
• Temperature Range: -40°C to 125°C operational capability
• Package Format: 20-VQFN with exposed pad, surface mount configuration
• Compliance Standards: AEC-Q100 automotive qualification and RoHS3 compliance

All substitute parts listed maintain identical specifications across these parameters, ensuring direct functional interchangeability without circuit redesign or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

All three parts listed—MCP48FVB18-E/MQ, MCP48FEB14-E/MQ, and MCP48FEB18-E/MQ—are active production components from Microchip Technology with identical electrical specifications and package configurations. Each part maintains full compliance with AEC-Q100 automotive qualification standards and RoHS3 environmental requirements.

Selection between these parts is based on availability and supply chain considerations rather than technical performance differences. All parts are suitable for direct substitution in applications requiring 10-bit, 4-channel digital-to-analog conversion with SPI interface control, external voltage reference, and automotive-grade reliability.

The MCP48FVB18-E/MQ maintains the highest current inventory level at 1133 units. The MCP48FEB14-E/MQ and MCP48FEB18-E/MQ provide alternative sourcing options with 1094 and 1050 units in stock respectively.

Frequently Asked Questions (FAQ)

Q: Can MCP48FEB14-E/MQ and MCP48FEB18-E/MQ be used as direct replacements for MCP48FVB18-E/MQ?

A: Yes. All three parts share identical electrical specifications, including 10-bit resolution, 4-channel configuration, 7.8µs settling time, SPI interface, and supply voltage range of 2.7V to 5.5V. They are packaged in the same 20-VQFN format with exposed pad and are all AEC-Q100 qualified for automotive applications.

Q: Are there any differences in accuracy between these parts?

A: No. All three parts maintain identical INL/DNL specifications of ±0.4LSB and ±0.05LSB, ensuring equivalent performance in data acquisition applications.

Q: Do these parts require different PCB layouts or design modifications?

A: No. All parts use the same 20-VQFN (5x5) surface mount package with exposed pad. PCB layouts, footprints, and thermal management designs are directly compatible across all three parts.

Q: Are all parts compliant with automotive and environmental standards?

A: Yes. All three parts are AEC-Q100 qualified, RoHS3 compliant, and REACH unaffected, meeting automotive-grade reliability and environmental regulatory requirements.

Q: What is the basis for substitution between these parts?

A: Substitution is based on parametric equivalence across all critical specifications: resolution, channel count, settling time, output type, interface protocol, supply voltage range, accuracy, temperature range, package format, and compliance certifications. No electrical or mechanical differences exist between these parts.

Q: Can I mix these parts within the same production batch?

A: Yes. Since all parts are parametrically identical and use the same package, they can be used interchangeably within the same design without affecting system performance or reliability.