AD5424YRUZ-REEL7

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The AD5424YRUZ-REEL7 is a member of the family of digital-to-analog converters (DACs) from Analog Devices. It is a high precision, low power, 12-bit voltage output DAC ideal for use in battery-operated systems, such as portable medical instruments, test and measurement equipment, and other portable electronic systems. This part is available in a space-saving 4 mm × 4 mm 8-lead LFCSP package, making it ideal for high density applications.

Application Field: The AD5424YRUZ-REEL7 offers maximum flexibility as it has an on-chip gain setting device allowing the user to set the full-scale range of the converter with an external resistor. The user has the choice of setting the output voltage range between 0 V and 4.096 V or 0 V and 2.048 V. This versatility along with rail-to-rail output makes the AD5424YRUZ-REEL7 ideal for low power and precision applications such as those in power management and instrumentation, process control, medical systems, and data acquisition.

Working Principle: The AD5424YRUZ-REEL7 is an integrated circuit comprising an analog output stage, a control logic, a latch, a protective latch, and a 12-bit parallel interface. It is controlled by a master device such as a microcontroller or DSP. The user programs the required voltage output by writing 12-bit digital data to the device via the parallel interface. The input digital data is stored in the latch and the output is updated according to the user-programmed code. The AD5424YRUZ-REEL7 operates from a single 2.7 V to 5.5 V power supply and draws only 10 μA of quiescent current. It has excellent linearity, low distortion, and good temperature coefficient.

The AD5424YRUZ-REEL7 has a programmable gain of 1x, 2x, and 4x which enables the adjustment of output range according to the user application needs. The gain is set by connecting a single resistor to GDN pin. The AD5424YRUZ-REEL7 also has a hardware reset pin which can be used to reset the DAC to zero output. This part features glitch-free reload, thermal shutdown, and overvoltage protection, thus making it ideal for embedded and safety-critical applications.

It also features a serial interface if needed. The serial interface operates at a maximum rate of 10 MHz and allows the AD5424YRUZ-REEL7 to be used in a space-saving 8-pin LFCSP package. This part also features readback of the data that is stored in the DAC register, allowing the user to monitor and make sure that the DAC has the expected output voltage.

The AD5424YRUZ-REEL7 is a versatile, high accuracy, and low power DAC that provides an ideal solution for applications in instrumentation and test, medical systems, industrial automation, automotive, and consumer applications.

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