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MCP48CVB08T-20E/ST Equivalent & Substitute Parts
Part Overview
The MCP48CVB08T-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 component operates across a wide supply voltage range of 1.8V to 5.5V for both analog and digital supplies, making it suitable for diverse embedded systems and industrial applications. The part is currently in active production status with 1085 units available in stock. Substitute parts are identified when equivalent electrical specifications, mechanical packaging, and compliance certifications align with the original component, enabling seamless integration into existing designs without circuit modification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Number of D/A Converters | 8 |
| Output Type | Voltage - Buffered |
| Data Interface | SPI |
| Settling Time (Typical) | 16µs |
| Voltage - Supply, Analog | 1.8V ~ 5.5V |
| Voltage - Supply, Digital | 1.8V ~ 5.5V |
| INL/DNL (LSB) | ±0.1, ±0.1 |
| Architecture | R-2R |
| Operating Temperature Range | -40°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) |
Substitute Part Grouping Explanation
Substitution of the MCP48CVB08T-20E/ST is determined by strict equivalence across the following critical parameters:
Electrical Specifications: Number of bits (8), number of D/A converters (8), output type (voltage-buffered), data interface (SPI), settling time (16µs typical), supply voltage ranges (1.8V ~ 5.5V for both analog and digital), INL/DNL accuracy (±0.1 LSB), and R-2R architecture.
Mechanical Specifications: Package type (20-TSSOP), package dimensions (0.173" width, 4.40mm), and surface mount mounting type.
Compliance & Environmental: Operating temperature range (-40°C ~ 125°C), RoHS3 compliance, MSL rating (3, 168 hours), REACH unaffected status, and ECCN/HTSUS classifications.
Substitute parts must match all parameters listed above. Parts are grouped as parametric equivalents when they satisfy these criteria without exception.
Parameter Comparison
| Parameter | MCP48CVB08T-20E/ST | MCP48CMB08T-20E/ST |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Data Acquisition | Data Acquisition |
| Series | MCP | MCP |
| Number of Bits | 8 | 8 |
| Number of D/A Converters | 8 | 8 |
| Output Type | Voltage - Buffered | Voltage - Buffered |
| Data Interface | SPI | SPI |
| Settling Time (Typical) | 16µs | 16µs |
| Voltage - Supply, Analog | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Voltage - Supply, Digital | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| INL/DNL (LSB) | ±0.1, ±0.1 | ±0.1, ±0.1 |
| Architecture | R-2R | R-2R |
| Operating Temperature Range | -40°C ~ 125°C | -40°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 |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8542.39.0001 | 8542.39.0001 |
| Product Status | Active | Active |
| Inventory (Pcs) | 1085 | 3631 |
Engineering Selection Recommendations
The MCP48CMB08T-20E/ST is a parametric equivalent substitute for the MCP48CVB08T-20E/ST. Both components are manufactured by Microchip Technology and maintain identical electrical and mechanical specifications across all critical parameters. Both parts are in active production status, carry ROHS3 compliance certification, and meet REACH regulatory requirements. The substitute part demonstrates higher inventory availability (3631 units versus 1085 units), which may provide supply chain advantages. Selection between these parts is based on availability and procurement requirements, as they are functionally interchangeable within the specified operating conditions and application constraints.
Frequently Asked Questions (FAQ)
Q: Can the MCP48CMB08T-20E/ST be used as a direct replacement for the MCP48CVB08T-20E/ST?
A: Yes. Both parts are parametric equivalents with identical electrical specifications, package type, and compliance certifications. No circuit modifications are required for substitution.
Q: Are the pin configurations identical between these parts?
A: Both parts use the 20-TSSOP package with identical dimensions (0.173" width, 4.40mm). Pin configuration compatibility is maintained across both components.
Q: Do both parts support the same supply voltage range?
A: Yes. Both the MCP48CVB08T-20E/ST and MCP48CMB08T-20E/ST operate with analog and digital supply voltages from 1.8V to 5.5V.
Q: What is the settling time specification for these DAC components?
A: Both parts have a typical settling time of 16µs, enabling equivalent performance in time-sensitive applications.
Q: Are there differences in temperature operating range between the two parts?
A: No. Both components operate across the identical temperature range of -40°C to 125°C.
Q: What is the significance of the MSL rating for these components?
A: Both parts carry an MSL rating of 3 with a 168-hour moisture sensitivity window. This specification governs handling, storage, and reflow soldering procedures to prevent moisture-induced failures.
Q: Do both parts comply with RoHS regulations?
A: Yes. Both the MCP48CVB08T-20E/ST and MCP48CMB08T-20E/ST are ROHS3 compliant and REACH unaffected.
Q: What data interface protocol do these DAC components use?
A: Both parts utilize SPI (Serial Peripheral Interface) for digital communication and control.
Q: Is there a difference in INL/DNL accuracy between these parts?
A: No. Both components maintain identical INL/DNL specifications of ±0.1 LSB.
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