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ADS4126 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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ADS4126 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 83 page ADS4126 , ADS4129 ADS4146 , ADS4149 www.ti.com SBAS483G – NOVEMBER 2009 – REVISED JANUARY 2011 12-/14-Bit, 160/250MSPS, Ultralow-Power ADC Check for Samples: ADS4126, ADS4129, ADS4146, ADS4149 1 FEATURES DESCRIPTION 23 • Maximum Sample Rate: 250MSPS The ADS412x/4x are a family of 12-bit/14-bit analog-to-digital converters (ADCs) with sampling • Ultralow Power with 1.8V Single Supply: rates up to 250MSPS. These devices use innovative – 201mW Total Power at 160MSPS design techniques to achieve high dynamic – 265mW Total Power at 250MSPS performance, while consuming extremely low power • High Dynamic Performance: at 1.8V supply. The devices are well-suited for multi-carrier, wide bandwidth communications – SNR: 70.6dBFS at 170MHz applications. – SFDR: 84dBc at 170MHz The ADS412x/4x have fine gain options that can be • Dynamic Power Scaling with Sample Rate used to improve SFDR performance at lower • Output Interface: full-scale input ranges, especially at high input – Double Data Rate (DDR) LVDS with frequencies. They include a dc offset correction loop that can be used to cancel the ADC offset. At lower Programmable Swing and Strength sampling rates, the ADC automatically operates at – Standard Swing: 350mV scaled down power with no loss in performance. – Low Swing: 200mV The ADS412x/4x are available in a compact QFN-48 – Default Strength: 100 Ω Termination package and are specified over the industrial – 2x Strength: 50 Ω Termination temperature range (–40°C to +85°C) – 1.8V Parallel CMOS Interface Also Supported • Programmable Gain up to 6dB for SNR/SFDR Trade-Off • DC Offset Correction • Supports Low Input Clock Amplitude Down To 200mVPP • Package: QFN-48 (7mm × 7mm) ADS412x/ADS414x Family Comparison SAMPLING RATE WITH ANALOG INPUT BUFFERS FAMILY 65MSPS 125MSPS 160MSPS 250MSPS 200MSPS 250MSPS ADS412x ADS4122 ADS4125 ADS4126 ADS4129 — ADS41B29 12-bit family ADS414x ADS4142 ADS4145 ADS4146 ADS4149 — ADS41B49 14-bit family 9-bit — — — — — ADS58B19 11-bit — — — — ADS58B18 — 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 © 2009–2011, 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. |
Số phần tương tự - ADS4126 |
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Mô tả tương tự - ADS4126 |
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