MCP48FVB08-20E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP48FVB08-20E/ST is a Microchip 8-channel, 8-bit SPI digital-to-analog converter with volatile output registers in a 20-pin TSSOP package. It delivers 8 independent analog output channels with binary-coded serial input and low linearity error of 0.1953% maximum. Designed for multi-channel analog control in industrial automation, audio, and precision instrumentation systems.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP48FVB08-20E/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7900(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP48FVB08-20E/ST?
- 8 independent DAC output channels in a single 20-pin TSSOP package for high-density multi-channel designs
- 8-bit resolution with 0.1953% maximum linearity error for consistent analog output accuracy
- SPI serial interface supporting fast microcontroller communication with minimal pin usage
- Volatile output registers enabling dynamic real-time analog control without non-volatile write cycles
- Wide supply voltage range supporting 3.3V and 5V system designs
What is MCP48FVB08-20E/ST used for?
MCP48FVB08-20E/ST is well suited for multi-channel analog control in industrial automation, robotics, and programmable power supplies where up to 8 independent voltage outputs are required from a single SPI-connected device. Its volatile register architecture allows rapid dynamic updates to DAC codes, making it effective for audio channel mixing and real-time waveform generation. Instrumentation and test equipment designers can leverage its 8 outputs to simultaneously drive reference voltages, bias networks, and calibration offsets.
What are the specifications of MCP48FVB08-20E/ST?
| Manufacturer Package Code | TSSOP-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 18 |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.1953% |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP20,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Settling Time-Nom (tstl) | 7.8 µs |
| Supply Current-Max | 3.2mA |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP48FVB08-20E/ST datasheet?
MCP48FVB08-20E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP48FVB08-20E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many analog output channels does MCP48FVB08-20E/ST provide, and what resolution do they offer?
MCP48FVB08-20E/ST provides 8 independent analog output channels, each with 8-bit resolution giving 256 discrete output levels. The maximum linearity error is 0.1953%, ensuring consistent output accuracy across all channels. This makes it practical for multi-axis motor control, multi-zone temperature setpoint generation, and similar applications requiring simultaneous independent analog control.
Why choose a volatile DAC like MCP48FVB08-20E/ST over a non-volatile alternative for a real-time control system?
Volatile DACs such as MCP48FVB08-20E/ST update output registers instantly on each SPI write without the wear and latency of EEPROM write cycles, which can take up to 5 ms in non-volatile devices. For closed-loop control systems that update DAC outputs at rates of 1 kHz or more, the volatile architecture is essential. The trade-off is that output values reset to zero on power-down, so the host MCU must reinitialize the 8 channels at startup.
What SPI clock rate does MCP48FVB08-20E/ST support for high-throughput multi-channel updates?
MCP48FVB08-20E/ST supports SPI clock frequencies up to 20 MHz, allowing the host controller to update all 8 DAC channels rapidly. At 20 MHz clock with 16-bit SPI transfers per channel, a full 8-channel refresh takes approximately 6.4 µs, enabling control loop rates well above 100 kHz for demanding real-time analog output applications.
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