Low-Power DACs Can Restore Settings At Power Up With Integrated EEPROM


Microchip Technology has announced the expansion of its Digital-to-Analog Converter (DAC) product line with the MCP48FXBXX families of devices. A few examples of their wide range of applications in the consumer, industrial and automotive markets, among others, include set-point/offset trimming, sensor calibration, instrumentation and motor control.

Featuring 8, 10 and 12-bit resolution and a SPI serial interface, the low-power, single and dual-channel DACs are available in 10-pin MSOP packages. The six-member MCP48FEBXX DAC family offers integrated EEPROM to save DAC settings at power-down, while the MCP48FVBXX family provides lower-cost alternatives for applications that don’t require integrated memory.

“These new MCP48FXBXX DAC families are ideal for portable, consumer and handheld applications that demand low power consumption. They are also specified to operate in extended-temperature conditions, making them suitable for many industrial and automotive requirements, as well”, said Bryan J. Liddiard, marketing vice president of Microchip’s Mixed-Signal and Linear Division.

Offering high-integration and unique feature sets, the MCP48FXBXX families offer customers flexibility, power and cost savings while simplifying their design efforts. The integrated EEPROM option enables DAC settings to be restored at power-up and reduces microcontroller overhead, while the various shutdown modes significantly reduce the device current consumption for power-critical applications. Additionally, these devices feature low Differential Nonlinearity (DNL) error to sustain monotonic output and low Integral Nonlinearity (INL) error for better linearity.

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