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ADS5545 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS5545 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 59 page www.ti.com FEATURES APPLICATIONS DESCRIPTION ADS5545 SLWS180C – NOVEMBER 2005 – REVISED MAY 2007 14-BIT, 170 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS • Wireless Communications Infrastructure • Maximum Sample Rate: 170 MSPS • Software Defined Radio • 14-Bit Resolution • Power Amplifier Linearization • No Missing Codes • 802.16d/e • Total Power Dissipation 1.1 W • Test and Measurement Instrumentation • Internal Sample and Hold • High Definition Video • 74-dBFS SNR at 70-MHz IF • Medical Imaging • 85-dBc SFDR at 70-MHz IF, 0 dB gain • Radar Systems • 11.4 ENOB Minimum at 70-MHz IF • Double Data Rate (DDR) LVDS and Parallel CMOS Output Options ADS5545 is a high performance 14-bit, 170-MSPS • Programmable Gain up to 6 dB for SNR/SFDR A/D converter. It offers state-of-the-art functionality Trade-Off at High IF and performance using advanced techniques to minimize board space. Using an internal sample and • Reduced Power Modes at Lower Sample hold and low jitter clock buffer, the ADC supports Rates both high SNR and high SFDR at high input • Supports input clock amplitude down to frequencies. It features programmable gain options 400 mVPP that can be used to improve SFDR performance at • Clock Duty Cycle Stabilizer lower full-scale analog input ranges. • No External Reference Decoupling Required In a compact 48-pin QFN, the device offers fully • Internal and External Reference Support differential LVDS DDR (Double Data Rate) interface while parallel CMOS outputs can also be selected. • Programmable Output Clock position to ease Flexible output clock position programmability is data capture available to ease capture and trade-off setup for hold • 3.3-V Analog and Digital Supply times. At lower sampling rates, the ADC can be • 48-QFN Package (7 mm × 7 mm) operated at scaled down power with no loss in performance. ADS5545 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). Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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