Microchip Technology MCP48CVD01T-E/UN

Overview

MCP48CVD01T-E/UN from Microchip Technology is an 8-bit volatile-memory buffered voltage-output DAC with SPI interface, 1 LSb integral nonlinearity, ±0.5 LSb zero-scale error, and operation from 2.7V to 5.5V. It delivers rail-to-rail output swing into 2 kΩ loads and supports internal band gap (1.214 V), external VREF, or VDD as reference sources - used in precision sensor calibration and set-point trimming circuits.

For engineers reviewing the MCP48CVD01T-E/UN datasheet, MCP48CVD01T-E/UN pinout, MCP48CVD01T-E/UN application, or MCP48CVD01T-E/UN equivalent, key selection criteria include its 4 µs settling time, 270 kHz –3 dB bandwidth, SPI write speed up to 50 MHz, power-down current of 0.5–2.4 µA, and support for 10-lead MSOP/DFN or 16-lead QFN packages.

Technical Context

The MCP48CVD01T-E/UN implements a resistor ladder architecture with buffered op-amp output stage, enabling monotonic 8-bit conversion across –40°C to +125°C. Its SPI interface operates in '00' and '11' modes with dedicated LAT/HVC pin for latch control or high-voltage MTP programming - though this part uses volatile memory only, so LAT functions solely as latch enable.

Reference selection is configured via VRxB:VRxA bits: VDD (mode 10), internal band gap (mode 01), or external VREF (mode 00/11). Gain options are 1× (all modes) or 2× (only when VREF ≠ VDD), requiring VREF ≤ VDD/2 in 2× mode. Power-on/brown-out reset ensures deterministic startup with 130 µs delay to output drive.

Key Specifications

Pinout & Package

Package: 10-lead MSOP (3 × 3 mm) or 10-lead DFN (3 × 3 mm); both expose thermal pad (EP) for enhanced thermal dissipation in compact layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar DAC applications.

Compared with MCP48FVB01-E/MS, the MCP48CVD01T-E/UN offers identical functionality with tape-and-reel optimization; versus DAC8560IDGSR, it trades resolution for faster SPI throughput, integrated reference flexibility, and lower latency - making it optimal for cost-sensitive, medium-precision embedded control.

Availability

MCP48CVD01T-E/UN is available at Aetrix Electronics and suitable for sensor calibration, portable instrumentation, and PC peripheral designs requiring stable component supply, extended temperature operation (–40°C to +125°C), and SPI-compatible digital-to-analog conversion.

Supply support for MCP48CVD01T-E/UN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a leading provider of microcontrollers, analog components, and Flash-IP solutions, headquartered in Chandler, Arizona.

The MCP48CXDX series was designed for embedded systems requiring low-power, SPI-driven analog output with configurable reference and gain - targeting industrial sensing, calibration, and control applications.

FAQ

What is the maximum SPI clock frequency supported by the MCP48CVD01T-E/UN?

The MCP48CVD01T-E/UN supports SPI write operations up to 50 MHz and read operations up to 25 MHz. This high-speed interface allows rapid register updates and real-time DAC reconfiguration in time-critical applications. The device complies with standard SPI '00' and '11' modes, ensuring interoperability with most microcontrollers. Timing margins remain robust across the full –40°C to +125°C operating range.

Does the MCP48CVD01T-E/UN include nonvolatile memory?

No, the MCP48CVD01T-E/UN uses volatile RAM-only memory. It does not contain MTP (Multi-Time Programming) memory. Configuration and output values are lost upon power removal. For nonvolatile variants, refer to the MCP48CMD01 series. The 'V' in MCP48CVD01 explicitly denotes volatile memory, distinguishing it from 'M'-suffix parts with 32-location MTP storage.

Can the MCP48CVD01T-E/UN use VDD as its reference voltage?

Yes, the MCP48CVD01T-E/UN supports VDD as the DAC reference source (VRxB:VRxA = 10). In this mode, VDD is internally connected to the reference circuit, enabling simple ratio-metric operation where output scales directly with supply voltage. No external components are needed, reducing BOM count and layout complexity in supply-referenced systems.

What is the settling time specification for the MCP48CVD01T-E/UN?

The MCP48CVD01T-E/UN has a guaranteed settling time of 4 µs to within ±1/2 LSb of final value for major code transitions (e.g., 1/4 to 3/4 of full scale). This applies under standard conditions: RL = 2 kΩ, CL = 100 pF, VDD = 5.5 V, TA = +25°C. The fast settling enables use in closed-loop control and dynamic waveform generation where latency must be minimized.

Which packages are available for the MCP48CVD01T-E/UN?

The MCP48CVD01T-E/UN is offered in 10-lead MSOP (3 × 3 mm) and 10-lead DFN (3 × 3 mm) packages, both with exposed thermal pad (EP). The 'E/UN' suffix specifically denotes the 10-pin MSOP variant. Pin compatibility is maintained across these packages, allowing layout reuse. The device is not available in QFN-16 for the single-channel volatile 8-bit variant per Microchip's family documentation.