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ADS4449 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS4449 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 54 page  DAB0P, DAB0M or OVRABP, OVRABM CLKINP, CLKINM AINP, AINM Common Mode VCM CLKOUTABP, CLKOUTABM DAB[13:1]P, DAB[13:1]M 14 BINP, BINM CINP, CINM DINP, DINM Configuration Registers CLKOUTCDP, CLKOUTCDM DCD[13:1]P, DCD[13:1]M 14 Digital Block DCD0P, DCD0M or OVRCDP, OVRCDM Output Formatter DDR LVDS 14-Bit ADC 14-Bit ADC 14-Bit ADC 14-Bit ADC Digital Block −120 −100 −80 −60 −40 −20 0 0 25 50 75 100 125 Frequency (MHz) FIN = 170 MHz SFDR = 89 dBc SNR = 69 dBFS SINAD = 68.9 dBFS THD = 85 dBc G005 ADS4449 www.ti.com SBAS603 – APRIL 2013 Quad-Channel, 14-Bit, 250-MSPS, Low-Power ADC Check for Samples: ADS4449 1 FEATURES DESCRIPTION The ADS4449 is a high-linearity, quad-channel, 14- 2 • Quad Channel bit, 250-MSPS, analog-to-digital converter (ADC). • 14-Bit Resolution The four ADC channels are separated into two blocks • Maximum Sampling Data Rate: 250 MSPS with two ADCs each. Designed for low power consumption and high spurious-free dynamic range • Power Dissipation: (SFDR), the device has low-noise performance and – 365 mW per Channel outstanding SFDR over a large input frequency • Spectral Performance at 170-MHz IF (typ): range. – SNR: 69 dBFS – SFDR: 86 dBc • DDR LVDS Digital Output Interface • Package: 144-Pin BGA (10-mm × 10-mm) APPLICATIONS • Multi-Carrier GSM Cellular Infrastructure Base Stations • RADAR and Smart Antenna Arrays • Multi-Carrier Multi-Mode Cellular Infrastructure Base Stations • Active Antenna Arrays for Wireless Infrastructures • Communications Test Equipment Figure 1. Spectrum For 170-MHz Input Frequency Figure 2. Basic Block Diagram 1 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2013, 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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