MAX5523EUA+

The MAX5523EUA+ is a dual, ultra low power, 10bit voltage output digital to analogue converter (DAC) in 8 pin µMAX package. This device offers rail to rail buffered voltage output. It operates from 1.8V to 5.5V supply and consume less than 5μA making the devices suitable for low power and low voltage applications. A shutdown mode reduces overall current including the reference input current to 0.18μA. Upon power-up, the MAX5523 outputs are driven to zero scale providing additional safety for applications that drive valves or for other transducers that need to be off during power-up. The zero scale outputs enable glitch free power-up. The MAX5523 contains a precision internal reference and provides a buffered external reference output with unity gain DAC outputs. It is used in automatic trimming and calibration in factory or field, programmable voltage and current sources, remote data conversion and monitoring, chemical sensor cell, bias for gas monitors and programmable LCD bias.

• Ultra low supply current of 7μA at VDD = 5V
• Operating temperature range from -40°C to 85°C
• Flexible force sense configured rail to rail output buffers
• Fast 16MHz, 3-wire, SPI/QSPI/MICROWIRE compatible serial interface
• TTL and CMOS compatible digital inputs with hysteresis
• Integral nonlinearity (INL) of ±1LSB at VDD = 5V, VREF = 3.9V
• Differential nonlinearity (DNL) of ±0.2LSB (monotonic, VDD = 5V, VREF = 3.9V)
• Offset error of ±1mV and gain error of ±0.5LSB at VDD = 5V, VREF = 3.9V
• Power supply rejection ratio of 85dB (1.8V ≤ VDD ≤ 5.5V)
• Internal reference sources 8mA of current, initial accuracy of 3.885V (no external load, VDD = 5V)

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