MB86060 Fujitsu Media Devices Limited, MB86060 Datasheet
MB86060
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MB86060 Summary of contents
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... Product Flyer MB86060 16-Bit Interpolating Digital to Analog Converter The Fujitsu MB86060 is a high performance 12-bit, 400MSa/s Digital to Analog Converter (DAC) enhanced with a 16-bit interpolation filtering front-end. Use of novel techniques for the converter architecture delivers high speed operation consistent with BiCMOS or bipolar devices but at the low power of CMOS. ...
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... FML Mixed Signal Converter Architecture The MB86060 Interpolating DAC incorporates a number of novel design aspects that are subject to patent applications. Key to its operation are the current sources where segmented, common centroid, interleaved techniques for the most significant bits, as well as load matching ensure good linearity and low distortion to at least the 12-bit level ...
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... Clock The MB86060 incorporates a clock multiplier to generate the required internal x1, x2 and x4 clock signals from an external reference. The clock multiplier is based on a delay-lock-loop whose delay is adjusted by a charge pump controlled by a phase detector. A ‘Lock’ indicator is provided so that the system can monitor the multiplier’ ...
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... The MB86060 features four interpolation filter modes x1, x2(slow), x2(fast) and x4. Mode per a conventional DAC, and choosing between the remaining three modes would depend on the system requirements. Mode x2(slow) may be advantageous to a system requiring the benefits of interpolation filtering but saving some power by not running the DAC core at full rate. Mode x2(fast) gives access to the wider band, slower roll-off interpolation filter allowing wider band signals to be generated compared to the other modes, for example 74MHz (-0 ...
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... Obviously the dither amplitude should be larger than the nonlinearities to be masked, but levels significantly larger than this will ultimately limit available dynamic range for the wanted signal. Similar considerations should be made for the frequency characteristics, which in the MB86060 the dither is highpass filtered such that the majority of the energy is concentrated at Nyquist of the DAC output rate. ...
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... If any products described in this document represent goods or technologies subject to certain restrictions on export under the F oreign Exchange and Foreign Trade Control Law of Japan, the prior authorization by Japanese government should be required for export of those products from Japan. Page MB86060 16-Bit Interpolating Digital to Analog Converter Worldwide Headquarters Asia Tel: ...