12-bit quad DAC with I²C – what it replaces on the board
The MCP47CVB24T-E/ML is a 12-bit, quad-channel, voltage-output DAC from Microchip's MCP series, using an R-2R ladder architecture. Its I²C data interface keeps the pin count down to 20 leads in a 4x4 mm QFN package — a dense footprint that frees board area for other analog or mixed-signal blocks. Four independent DACs in one package means you replace four single-channel DACs or a larger multi-channel part, cutting per-channel cost and routing complexity. The buffered voltage output can drive moderate loads directly without an external op-amp, though the 16 µs typical settling time sets the upper bound on update rate — fine for set-point control or slow modulation, not for high-speed waveform synthesis.
Supply flexibility and temperature range
The analog and digital supply rails each accept 1.8V to 5.5V, so the part runs from a common 3.3V or 5V rail without a separate regulator. The -40°C to 125°C operating range qualifies it for industrial and automotive environments — motor drives, engine-bay sensors, outdoor telecom gear — where a commercial 0-70°C part would drift or latch up. Reference type is selectable between external, internal, or supply, giving the designer control over the output voltage span. Using the supply as reference (ratiometric mode) saves a pin and a reference IC, but ties the full-scale voltage to the rail's accuracy.
Lifecycle and sourcing reality
Microchip lists the MCP47CVB24T-E/ML as Active and ROHS3 compliant. The 20-QFN (4x4 mm) package is a standard Microchip footprint — no exotic reball or custom stencil needed in rework. Available in Tape & Reel (TR) or Cut Tape (CT). Pricing and lead time are confirmed per RFQ against your BOM quantity — no stock-holding claim, but the part is actively sourced through our distributor network.