MCP47FVB21A1-E/ST Equivalent & Substitute Parts

Part Overview

The MCP47FVB21A1-E/ST is a 12-bit digital-to-analog converter (DAC) manufactured by Microchip Technology, designed for data acquisition applications requiring voltage output conversion. This component operates across a wide supply voltage range (2.7V to 5.5V) and features I2C interface compatibility, making it suitable for embedded systems and industrial control applications. The part is currently in active production status with robust inventory availability. Substitute parts may be required due to supply chain constraints, regional availability, or design revision updates while maintaining full functional and electrical compatibility.

Substiute Parts

MCP47FVB21A1-E/ST

Microchip TechnologyIn Stock: 892MCP47FVB21A1-E/ST Datasheet

Current PartRFQ

MCP47FVB21A0-E/ST

Microchip TechnologyIn Stock: 1311MCP47FVB21A0-E/ST Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The MCP47FVB21A1-E/ST qualifies for substitution with the MCP47FVB21A0-E/ST based on strict parametric equivalence. Both parts share identical electrical specifications across all critical parameters: 12-bit resolution, single D/A converter configuration, buffered voltage output, I2C interface, identical supply voltage ranges (2.7V to 5.5V for both analog and digital supplies), matching settling time (6µs typical), equivalent INL/DNL performance (±1.5, ±0.2 LSB), R-2R architecture, and identical operating temperature range (-40°C to 125°C). Both components are packaged in 8-TSSOP surface-mount packages with identical physical dimensions (0.173" width, 4.40mm). Compliance certifications are identical: both are ROHS3 compliant, carry MSL rating of 1 (unlimited), and share the same base product number (MCP47FVB21). The substitution is valid based on these matching electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the MCP47FVB21A1-E/ST and MCP47FVB21A0-E/ST are active production components from Microchip Technology with full ROHS3 compliance and identical electrical performance specifications. Selection between these parts should be based on inventory availability and supply chain considerations. The MCP47FVB21A0-E/ST currently maintains higher inventory levels (1202 pcs) compared to the MCP47FVB21A1-E/ST (830 pcs), making it a viable alternative for applications requiring immediate procurement. Both parts carry identical moisture sensitivity ratings (MSL 1 - Unlimited) and are suitable for the same operating environments and temperature ranges. No functional or performance degradation occurs when substituting either part for the other in circuit designs.

Frequently Asked Questions (FAQ)

Q: Are MCP47FVB21A1-E/ST and MCP47FVB21A0-E/ST pin-compatible? A: Yes. Both components use identical 8-TSSOP packaging with matching pin configurations, physical dimensions (0.173" width, 4.40mm), and surface-mount specifications. Direct PCB substitution is possible without layout modifications.

Q: Do these parts have identical I2C interface specifications? A: Yes. Both parts implement I2C data interface with identical electrical characteristics and protocol requirements. No firmware or software modifications are necessary when substituting between these parts.

Q: Are the supply voltage requirements the same? A: Yes. Both the MCP47FVB21A1-E/ST and MCP47FVB21A0-E/ST operate across identical supply voltage ranges: 2.7V to 5.5V for both analog and digital supplies. Power supply design remains unchanged during substitution.

Q: What is the difference between these two part numbers? A: The parts are parametrically equivalent across all electrical and mechanical specifications. The difference in part numbering (A1 versus A0 suffix) reflects design revision or manufacturing date codes but does not affect functional performance or compatibility.

Q: Are both parts suitable for industrial temperature applications? A: Yes. Both components maintain identical operating temperature ranges of -40°C to 125°C and carry the same ROHS3 compliance certification, making them suitable for industrial control and data acquisition applications.

Q: Can I use MCP47FVB21A0-E/ST as a direct replacement in existing designs? A: Yes. The MCP47FVB21A0-E/ST is a direct parametric equivalent with no design changes required. Existing PCB layouts, firmware, and system configurations remain valid without modification.