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12-Bit 170 MSPS ADC With DDR LVDS/CMOS Outputs (Rev. B)
Texas Instruments
Description
ADS5525 is a high performance 12-bit, 170-MSPS A/D converter. It offers state-of-the art functionality and performance using advanced techniques to minimize board space. Using an internal sample and hold and low jitter clock buffer, the ADC supports both high SNR and high SFDR at high input frequencies. It features programmable gain options that can be used to improve SFDR performance at lower full-scale analog input ranges.In a compact 48-pin QFN, the device offers fully differential LVDS DDR (Double Data Rate) interface while parallel CMOS outputs can also be selected. Flexible output clock position programmability is available to ease capture and trade-off setup for hold times. At lower sampling rates, the ADC can be operated at scaled down power with no loss in performance. ADS5525 includes an internal reference, while eliminating the traditional reference pins and associated external decoupling. The device also supports an external reference mode. The device is specified over the industrial temperature range (-40°C to 85°C).
Features
Maximum Sample Rate: 170 MSPS12-Bit ResolutionNo Missing CodesTotal Power Dissipation 1.1 WInternal Sample and Hold70.5-dBFS SNR at 70-MHz IF84-dBc SFDR at 70-MHz IF11 bits ENOB Minimum at 70-MHz IFDouble Data Rate (DDR) LVDS and Parallel CMOS Output OptionsProgrammable Gain up to 6 dB for SNR/SFDR Trade-Off at High IFReduced Power Modes at Lower Sample RatesSupports input clock amplitude down to 400 mVPPClock Duty Cycle StabilizerNo External Reference Decoupling RequiredInternal and External Reference SupportProgrammable Output Clock position to ease data capture3.3-V Analog and Digital Supply 48-QFN Package (7 mm × 7 mm)APPLICATIONSWireless Communications InfrastructureSoftware Defined RadioPower Amplifier Linearization802.16d/eTest and Measurement InstrumentationHigh Definition VideoMedical ImagingRadar Systems
Related Datasheets
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