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ADS61B29IRGZR Datasheet(PDF) 1 Page - Texas Instruments |
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ADS61B29IRGZR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 61 page 1 FEATURES DESCRIPTION APPLICATIONS ADS61B29 ADS61B49 www.ti.com ......................................................................................................................................... SLWS214A – OCTOBER 2008 – REVISED DECEMBER 2008 14-/12-Bit, 250-MSPS ADCs With Integrated Analog Buffer • Integrated High Impedance Analog Input Buffer The ADS61B49 (ADS61B29) is a 14-bit (12-bit) A/D converter with a sampling rate up to 250 MSPS. It • Maximum Sample Rate: 250 MSPS combines high dynamic performance and low power • 14-Bit Resolution – ADS61B49 consumption in a compact 48-QFN package. An • 12-Bit Resolution – ADS61B29 integrated analog buffer makes it well-suited for • 790 mW Total Power Dissipation at 250 MSPS multi-carrier, wide bandwidth communications applications. The buffer maintains constant • Double Data Rate (DDR) LVDS and Parallel performance and input impedance across a wide CMOS Output Options frequency range. • Programmable Fine Gain up to 6 dB for The ADS61B49 (ADS61B29) has fine gain options SNR/SFDR Trade-Off and 1-Vpp Full-Scale that can be used to improve SFDR performance at Operation lower full-scale input ranges. It includes a dc offset • DC Offset Correction correction loop that can be used to cancel the ADC • Supports Input Clock Amplitude Down to 400 offset. Both Double Data Rate (DDR) LVDS and parallel CMOS digital output interfaces are available. mVPP Differential At lower sampling rates, the ADC automatically • 48-QFN Package (7mm × 7mm) operates at scaled down power with no loss in • Pin Compatible with ADS6149 Family performance. It includes internal references while the traditional reference pins and associated decoupling capacitors • Multicarrier, Wide Bandwidth Communications have been eliminated. The device is specified over • Wireless Multi-Carrier Communications the industrial temperature range (–40°C to 85°C). Infrastructure ANALOG 250 MSPS 210 MSPS • Software Defined Radio BUFFER • Power Amplifier Linearization Feedback ADC ADS614X NO ADS6149 ADS6148 14-Bit Family • 802.16d/e YES ADS61B49 • Test and Measurement Instrumentation ADS612X NO ADS6129 ADS6128 12-Bit Family • High Definition Video YES ADS61B29 • Medical Imaging • Radar Systems 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. PRODUCTION DATA information is current as of publication date. Copyright © 2008, 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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