MCP47FVB24-20E/ST Equivalent & Substitute Parts

Part Overview

The MCP47FVB24-20E/ST is a 12-bit digital-to-analog converter (DAC) manufactured by Microchip Technology, designed for data acquisition applications requiring multiple voltage output channels. This active product features four independent D/A converters with buffered voltage outputs, I2C interface control, and external reference capability. The component is housed in a 20-TSSOP surface mount package and operates across industrial temperature ranges from -55°C to 125°C.

Substitute parts are identified when equivalent electrical specifications, mechanical packaging, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Number of Bits	12
Number of D/A Converters	4
Settling Time	6µs
Output Type	Voltage - Buffered
Differential Output	Yes
Data Interface	I2C
Reference Type	External
Voltage - Supply, Analog	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V
INL/DNL (LSB)	±0.1, ±0.0125
Architecture	R-2R
Operating Temperature	-55°C ~ 125°C
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for the MCP47FVB24-20E/ST are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

Electrical Specifications:

12-bit resolution with 4 independent D/A converters
6µs settling time performance
Buffered voltage output with differential output capability
I2C digital interface
External reference input requirement
Dual supply voltage range: 2.7V to 5.5V (both analog and digital)
INL/DNL linearity specifications: ±0.1 LSB and ±0.0125 LSB
R-2R converter architecture

Mechanical & Environmental Specifications:

20-TSSOP surface mount package with 0.173" width (4.40mm)
Operating temperature range: -55°C to 125°C
Moisture Sensitivity Level 3 (168 hours)

Compliance & Status:

Active product status
ROHS3 compliance
REACH unaffected classification

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

Parameter Comparison

Parameter	MCP47FVB24-20E/ST	MCP47FEB24-20E/ST
Manufacturer	Microchip Technology	Microchip Technology
Number of Bits	12	12
Number of D/A Converters	4	4
Settling Time	6µs	6µs
Output Type	Voltage - Buffered	Voltage - Buffered
Differential Output	Yes	Yes
Data Interface	I2C	I2C
Reference Type	External	External
Voltage - Supply, Analog	2.7V ~ 5.5V	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V	2.7V ~ 5.5V
INL/DNL (LSB)	±0.1, ±0.0125	±0.1, ±0.0125
Architecture	R-2R	R-2R
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C
Package / Case	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active

Engineering Selection Recommendations

The MCP47FEB24-20E/ST is a direct parametric equivalent to the MCP47FVB24-20E/ST. Both components are manufactured by Microchip Technology and share identical electrical specifications, package configuration, and compliance certifications.

Selection Basis:

Both parts maintain active product status with full ROHS3 compliance and REACH unaffected classification, ensuring regulatory compliance for current and future applications. The identical 12-bit resolution, four-channel D/A converter architecture, and R-2R topology provide equivalent performance in data acquisition circuits. Supply voltage ranges, settling time, linearity specifications (INL/DNL), and operating temperature ranges are identical across both components.

The 20-TSSOP surface mount package with 0.173" width ensures mechanical compatibility on printed circuit boards designed for either part number. Moisture sensitivity level 3 (168 hours) is consistent between both components, requiring identical handling and storage protocols.

Selection between these parts is based on availability and inventory status rather than technical performance differentiation.

Frequently Asked Questions (FAQ)

Q: Can the MCP47FEB24-20E/ST replace the MCP47FVB24-20E/ST in existing designs?

A: Yes. Both components are parametric equivalents with identical electrical specifications, package dimensions, and compliance certifications. Direct substitution is supported without circuit modification.

Q: Are the pin configurations identical between these two part numbers?

A: Yes. Both components use the 20-TSSOP package with identical pin assignments and functionality.

Q: Do both parts require the same external reference voltage configuration?

A: Yes. Both components feature external reference type inputs with identical voltage requirements and operating ranges.

Q: What is the significance of the different base product numbers (MCP47FVB24 vs. MCP47FEB24)?

A: The base product numbers indicate different internal design variants within the MCP47 family. However, the -20E/ST suffix variants specified here are parametric equivalents with identical performance characteristics.

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

A: No. Both components operate with identical analog and digital supply voltage ranges of 2.7V to 5.5V.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both components are ROHS3 compliant, REACH unaffected, and rated for -55°C to 125°C operating temperature with MSL 3 (168 hours) moisture sensitivity.

Q: Can these parts be used interchangeably in I2C bus applications?

A: Yes. Both components feature identical I2C data interface specifications and address configuration capabilities.

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