AD9739BBC

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Data Acquisition is a process in which data is extracted from various sources, often as analog signals and converted into digital form. Digital to Analog Converters (DAC) are one of the major components of data acquisition systems. DACs convert digital signals into analog signals, allowing the signals to be used by other systems.

The AD9739BBC is a monolithic low power 10-bit digital to analog converter (DAC) designed for operations in industrial and consumer electronics applications. It is fabricated on the high speed CMOS process and supports an industrial temperature range of - 40 °C to + 85 °C.

The AD9739BBC features a single supply voltage operation and has a power supply range of 3.0 V to 3.6 V. It is capable of converting digital signals at up to 20 MHz and provides a maximum output voltage of 2 Vp-p. The AD9739BBC is available in a 16-pin LLP and TSSOP package, which helps to save board space and reduce power consumption.

The AD9739BBC has several application fields such as instrumentation, audio systems, data acquisition systems, medical equipment, automotive electronic, and military systems. A few examples of its application field include active filter design, pulse generator, analog measurement systems, audio systems and analog output circuit applications.

The working principle of the AD9739BBC is simple. It accepts a 10-bit digital input signal and converts it into an analog output voltage. The internal reference voltage is derived from an internal voltage reference, allowing a low power consumption and low noise operation. The internal circuit includes a 20-bit digital-to-analog converter (DAC), a programmable gain amplifier (PGA), and a DC offset adjust.

The first step in the working principle of the AD9739BBC is the conversion of the 10-bit digital signal into a 20 bit digital word. This is done by the digital-to-analog converter (DAC). This 20 bit digital word is then amplified by the PGA, with an adjustable gain of up to 24 dB. The DC offset adjust feature then corrects any nonlinearities in the output signal by adjusting the DC offset. Finally, the output voltage is acquired from the PGA and is adjusted as specified previously.

The AD9739BBC is a low power 10-bit digital to analog converter (DAC) that is ideal for industrial and consumer electronics applications. Its working principle is simple, with an internal reference voltage, a digital-to-analog converter and a programmable gain amplifier. It is designed for a wide range of applications including instrumentation, audio systems, data acquisition systems, medical equipment, automotive electronic, and military systems.

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