MCP48FVB04-20E/ST Equivalent & Substitute Parts

Part Overview

The MCP48FVB04-20E/ST is an 8-bit digital-to-analog converter (DAC) manufactured by Microchip Technology, designed for data acquisition applications requiring voltage output conversion. This device integrates four independent D/A converters in a 20-TSSOP surface mount package and operates across a wide supply voltage range of 2.7V to 5.5V for both analog and digital domains. The component is actively produced, AEC-Q100 qualified for automotive applications, and RoHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and functional architecture.

Substiute Parts

MCP48FVB04-20E/ST

Microchip TechnologyIn Stock: 784MCP48FVB04-20E/ST Datasheet

Current PartRFQ

MCP48FVB08-20E/ST

Microchip TechnologyIn Stock: 958MCP48FVB08-20E/ST Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCP48FVB04-20E/ST are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are defined by the following parameters:

• Resolution and Converter Count: 8-bit resolution with 4 independent D/A converters
• Output Characteristics: Voltage output, unbuffered configuration
• Interface Protocol: SPI digital interface
• Supply Voltage Compatibility: Dual supply range of 2.7V to 5.5V for both analog and digital rails
• Timing Performance: Settling time of 7.8µs (typical)
• Accuracy Specifications: INL/DNL performance of ±0.4LSB and ±0.05LSB
• Thermal Operating Range: -40°C to 125°C
• Package Footprint: 20-TSSOP surface mount package with 0.173" width (4.40mm)
• Compliance and Certification: Automotive grade with AEC-Q100 qualification, RoHS3 compliance

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

Parameter Comparison

Engineering Selection Recommendations

The MCP48FVB08-20E/ST is a direct parametric equivalent to the MCP48FVB04-20E/ST. Both components share identical electrical specifications, package footprint, and compliance certifications. Selection between these parts is determined by product availability and inventory status rather than functional or mechanical differences.

Both parts maintain active product status with Microchip Technology, ensuring continued manufacturing support and supply chain reliability. Both devices carry AEC-Q100 automotive qualification and RoHS3 compliance, making them suitable for applications requiring regulatory adherence in automotive and industrial environments.

The MCP48FVB08-20E/ST currently maintains higher inventory availability (906 pieces) compared to the MCP48FVB04-20E/ST (771 pieces), which may influence procurement decisions based on lead time requirements.

Frequently Asked Questions (FAQ)

Q: Are the MCP48FVB04-20E/ST and MCP48FVB08-20E/ST pin-compatible?

A: Yes. Both devices use the identical 20-TSSOP package with 0.173" width (4.40mm). Pin configuration and footprint are equivalent, allowing direct substitution on printed circuit boards without layout modifications.

Q: Do these parts have identical settling time performance?

A: Yes. Both the MCP48FVB04-20E/ST and MCP48FVB08-20E/ST specify a typical settling time of 7.8µs, ensuring equivalent transient response characteristics in data acquisition applications.

Q: Are both parts suitable for automotive applications?

A: Yes. Both components carry automotive grade designation and AEC-Q100 qualification, meeting automotive industry reliability and quality standards.

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 these parts operate from the same supply voltage range?

A: Yes. Both devices operate with analog and digital supply voltages ranging from 2.7V to 5.5V, allowing use in identical power supply configurations.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the MCP48FVB04-20E/ST and MCP48FVB08-20E/ST are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q: What is the accuracy specification for both parts?

A: Both parts specify INL/DNL performance of ±0.4LSB and ±0.05LSB, providing equivalent linearity and differential nonlinearity characteristics for 8-bit conversion applications.