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Zakładka z wyszukiwarką danych komponentów |
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ADS4246 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS4246 Arkusz danych(HTML) 1 Page - Texas Instruments |
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1 / 67 page  ADS4229 www.ti.com SBAS550B – JUNE 2011 – REVISED AUGUST 2012 Dual-Channel, 12-Bit, 250-MSPS Ultralow-Power ADC Check for Samples: ADS4229 1 FEATURES APPLICATIONS 23 • Maximum Sample Rate: 250 MSPS • Wireless Communications Infrastructure • Ultralow Power with Single 1.8-V Supply: • Software Defined Radio – 545-mW Total Power at 250 MSPS • Power Amplifier Linearization • High Dynamic Performance: DESCRIPTION – 80.8-dBc SFDR at 170 MHz The ADS4229 is a member of the ADS42xx ultralow- – 69.4-dBFS SNR at 170 MHz power family of dual-channel, 12-bit and 14-bit • Crosstalk: > 90 dB at 185 MHz analog-to-digital converters (ADCs). Innovative • Programmable Gain Up to 6 dB for design techniques are used to achieve high dynamic performance, while consuming extremely low power SNR and SFDR Trade-off with a 1.8-V supply. This topology makes the • DC Offset Correction ADS4229 well-suited for multi-carrier, wide-bandwidth • Output Interface Options: communications applications. – 1.8-V Parallel CMOS Interface The ADS4229 has gain options that can be used to – DDR LVDS with Programmable Swing: improve spurious-free dynamic range (SFDR) performance at lower full-scale input ranges. This – Standard Swing: 350 mV device also includes a dc offset correction loop that – Low Swing: 200 mV can be used to cancel the ADC offset. Both double • Supports Low Input Clock Amplitude data rate (DDR) low-voltage differential signaling Down to 200 mVPP (LVDS) and parallel complementary metal oxide semiconductor (CMOS) digital output interfaces are • Package: 9-mm × 9-mm, 64-Pin Quad Flat available in a compact QFN-64 PowerPAD™ No-Lead (QFN) Package package. The device includes internal references while the traditional reference pins and associated decoupling capacitors have been eliminated. The ADS4229 is specified over the industrial temperature range (–40°C to +85°C). ADS424x/2x Family Comparison(1) 65 MSPS 125 MSPS 160 MSPS 250 MSPS ADS422x ADS4222 ADS4225 ADS4226 ADS4229 12-bit family ADS424x ADS4242 ADS4245 ADS4246 ADS4249 14-bit family (1) See Table 1 for details on migrating from the ADS62P49 family. 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 PowerPAD is a trademark of Texas Instruments Incorporated. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, 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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