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50 MHz直接数字合成器波形发生器AD9835数据表
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The AD9835 is a numerically-controlled oscillator employing a phase accumulator， a COS lookup table， and a 10-bit digitalto-analog converter integrated on a single CMOS chip. Modulation capabilities are provided for phase modulation and frequency modulation. Clock rates of up to 50 MHz are supported. Frequency accuracy can be controlled to one part in 4 billion. Modulation is effected by loading registers through the serial interface. A power-down bit allows the user to power down the AD9835 when it is not in use; the power consumption reduces to 1.75 mW. This part is available in a 16-lead TSSOP package. Similar DDS products can be found at http://www.analog.com/DDS.
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