Microchip Technology MCP48CMD02-E/MF

Overview

MCP48CMD02-E/MF from Microchip Technology is a dual-channel, 8-bit buffered voltage-output DAC with nonvolatile MTP memory (32 write cycles), SPI interface (50 MHz write), and selectable reference sources (VDD, external VREF, or internal 1.214 V bandgap). It delivers ±0.1 LSb INL, 4 µs settling time, and operates from -40°C to +125°C - used in precision sensor calibration and industrial setpoint trimming where power-up repeatability is critical.

For engineers reviewing the MCP48CMD02-E/MF datasheet, MCP48CMD02-E/MF pinout, MCP48CMD02-E/MF application, or MCP48CMD02-E/MF equivalent, key selection criteria include dual-channel 8-bit resolution with MTP retention, SPI timing compatibility at 50 MHz, VREF gain options (1x/2x), power-down modes with 100 kΩ/1 kΩ pull-down, and QFN-16 (3×3 mm) package footprint.

Technical Context

The MCP48CMD02-E/MF implements a resistor ladder architecture with two independent 256-step DAC cores, each featuring buffered voltage output and programmable power-down states. Its SPI interface supports both '00' and '11' clock polarity/mode configurations and includes dedicated LAT/HVC pin for high-voltage MTP programming (7.5 V typical).

Reference selection is flexible: internal bandgap (1.214 V ±28 mV), external VREF (buffered/unbuffered, 1.0–VDD), or VDD itself - with 2x gain enabled only when VREF ≠ VDD. Output amplifiers provide 270 kHz –3 dB bandwidth, 0.7 V/µs slew rate, and ±10 mA short-circuit capability per channel.

Key Specifications

Pinout & Package

Package: 16-lead 3×3 mm QFN with exposed pad (EP). Pin-compatible with other MCP48CXDX2 dual-channel variants in same package family.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-channel 8-bit DAC applications.

Compared with MCP48FVD02-E/MF, the MCP48CMD02-E/MF adds MTP-based power-up repeatability without changing PCB layout; versus AD5662BRMZ-1REEL7, it offers integrated dual-channel operation and factory-trim storage at lower resolution and cost.

Availability

MCP48CMD02-E/MF is available at Aetrix Electronics and suitable for industrial sensor calibration, automotive cabin control, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for MCP48CMD02-E/MF 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 is a global semiconductor company specializing in microcontrollers, analog devices, and interface ICs, with strong focus on embedded control and mixed-signal solutions.

The MCP48CXDX family delivers precision, low-power, and nonvolatile-configurable DACs for embedded systems needing repeatable analog outputs without external memory - designed for industrial, automotive, and medical applications demanding robustness and longevity.

FAQ

What is the maximum SPI clock frequency supported by the MCP48CMD02-E/MF?

The MCP48CMD02-E/MF supports SPI write operations up to 50 MHz and read operations up to 25 MHz. This timing is validated across the full -40°C to +125°C operating range and 2.7–5.5 V supply. Firmware must respect setup/hold times relative to CS assertion and maintain proper 24-bit frame alignment; exceeding 50 MHz may cause command corruption or register miswrites in the MCP48CMD02-E/MF.

Does the MCP48CMD02-E/MF require an external reference voltage?

No, the MCP48CMD02-E/MF does not require an external reference voltage. It integrates a 1.214 V ±28 mV internal bandgap reference usable directly as VREF. Alternatively, users may apply VDD or an external voltage (1.0–VDD V) to the VREF pin. When using internal VREF, the MCP48CMD02-E/MF draws <20 µA from the bandgap node and supports 1x gain only.

How many times can the MTP memory in the MCP48CMD02-E/MF be programmed?

The MTP memory in the MCP48CMD02-E/MF supports up to 32 write cycles per register location. After the 32nd write, further programming attempts are ignored and the stored value remains unchanged. Each write requires 7.5 V applied to the LAT/HVC pin and takes ≤250 µs. The MCP48CMD02-E/MF retains data for ≥10 years at +85°C per specification.

What is the function of the LAT/HVC pin on the MCP48CMD02-E/MF?

The LAT/HVC pin on the MCP48CMD02-E/MF serves two mutually exclusive functions: in normal operation, it acts as a latch signal (LAT) that updates both DAC outputs synchronously on its rising edge; during programming, it accepts 7.5 V (VIHH) to enable MTP write commands. The MCP48CMD02-E/MF detects the voltage level automatically - no external mode selection is required.

Can the MCP48CMD02-E/MF operate from a 1.8 V supply?

The MCP48CMD02-E/MF supports 1.8 V to 2.7 V operation for digital SPI interface functionality, but analog specifications (INL, settling time, gain error) are degraded outside the 2.7–5.5 V range. At 1.8 V, the device remains functional for communication and basic register access, yet VREF must be ≥1.0 V and VDD must exceed VBOR (1.61 V) to avoid brown-out reset. Full analog performance requires ≥2.7 V.