AD9148BBPZ

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Data Acquisition - Digital to Analog Converters (DAC)

The AD9148BBPZ digital-to-analog converter (DAC) is a high-speed, very low noise, monolithic digital to analog conversion system featuring 18 bits of resolution. It is designed to provide rail-to-rail output performance in audio and other applications requiring high accuracy and linearity. The AD9148BBPZ is available in a 16-lead, plastic TSSOP package.

Application fields

The AD9148BBPZ is optimized for use in a wide range of applications, including audio, video, and Imaging. Examples of these applications include Direct Digital Synthesis (DDS), High Definition Television (HDTV) television monitors, ultrasound systems, video cameras, four-colour printers, and LCD displays.

The AD9148BBPZ can also be used in control applications such as servo control, artificial intelligence, neural networks, and motion control. Moreover, it is suitable for data acquisition, data transmission, and communication applications including G PRS, EDGE, UMTS, and LTE modems, Sonet/SDH clock regeneration, and general Quadrature Amplitude Modulation (QAM) applications.

Working Principle

The AD9148BBPZ is a high performance, monolithic oversampling digital to analog converter (DAC) featuring 18 bits of resolution. The DAC has several key features that contribute to the superior performance of the device. The key features include an on-chip R-2R ladder at the output stage, a functional ΔΣ modulator, and an on-chip clock multiplication circuit for direct digital synthesis.

The on-chip R-2R ladder provides a high resolution, low power solution that allows for more accurate and noise-free output. It also offers rail-to-rail output performance in audio and other applications requiring high accuracy and linearity. The on-chip functional ΔΣ modulator is optimized for higher data rates and produces a low noise spectral performance.

The AD9148BBPZ is also capable of direct digital synthesis. This feature is enabled by the on-chip clock multiplication circuit which is used to convert a low frequency clock signal into a higher frequency signal. This allows the DAC to generate high frequency signals without additional external components. In addition, the ADC is also designed to be compatible with popular digital signal processors and FPGA architectures.

Conclusion

The AD9148BBPZ digital-to-analog converter is a high-speed, low noise, monolithic digital-to-analog converter designed to provide rail-to-rail output performance. It can be used in a wide range of applications, including audio, video, and imaging. The DAC also features a high-resolution R-2R ladder, a functional ΔΣ modulator, and an on-chip clock multiplication circuit for direct digital synthesis. These features combined make the AD9148BBPZ a versatile and reliable digital-to-analog converter.

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