AD5449YRUZ-REEL

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Data Acquisition - Digital to Analog Converters (DAC): The AD5449YRUZ-REEL is an 8-bit, single-chip, serial-input, voltage-output digital-to-analog converter (DAC). It offers an adjustable reference and rail to rail output range. This device is specified over the extended industrial temperature range of -40°C to +125°C, ideal for harsh and extreme industrial environments such as heavy manufacturing, aerospace, and safety-critical applications. This device operates from a single 2.7 V to 5.5 V supply. Programmed from a 3-wire serial port, it requires no external components to allow flexibility in device placement and system layout.

Application Field: The AD5449YRUZ-REEL can be used in many industrial applications that require low-noise digital-to-analog conversion. It is suitable for use in systems that must follow a specific output range, such as wide dynamic range data acquisition systems for automotive, industrial, military, and instrumentation applications. It can also be used to provide accurate analog output for feedback control circuits and other motion control applications. Additionally, it can be used in medical applications and high-accuracy testing and measurement systems.

Working Principle: The AD5449YRUZ-REEL is based on a proprietary R-2R based switching architecture, running in a pulse-width modulation (PWM) mode. This allows the DAC to perform high-speed conversion with excellent linearity and monotonicity performance. The PWM output voltage is controlled through a 3-wire serial port interface which means no external components are required to program the device. An internal two-step, two-speed adjustable reference works in conjunction with the internal oscillator to allow output voltage programming over the DAC’s full dynamic range. This device also features a rail-to-rail, low-impedance analog output buffer, providing from 0 V to the reference voltage, adjustable over the DAC’s full dynamic range.

In conclusion, the AD5449YRUZ-REEL is an 8-bit, single-chip, serial-input, voltage-output digital-to-analog converter (DAC) that covers a wide variety of industrial applications that require low-noise digital-to-analog conversion. The device\'s proprietary R-2R based switching architecture and adjustable reference and rail to rail output range make this an ideal choice for harsh and extreme industrial environments. It operates from a single 2.7V to 5.5V supply and requires no external components to program the device, allowing excellent flexibility in device placement and system layout.

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