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ADS4128IRGZR bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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ADS4128IRGZR bảng dữ liệu(HTML) 1 Page - Texas Instruments |
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1 / 61 page  ADS4128 www.ti.com SBAS578 – MAY 2012 12-Bit, 200-MSPS, Ultralow-Power ADC Check for Samples: ADS4128 1 FEATURES DESCRIPTION The ADS4128 is a 12-bit analog-to-digital converter 23 • Maximum Sample Rate: 200 MSPS (ADC) with sampling rates up to 200 MSPS. This • Ultralow Power with 1.8-V Single Supply: device uses innovative design techniques to achieve – 230-mW Total Power at 200 MSPS high dynamic performance, while consuming extremely low power at 1.8-V supply. The device is • High Dynamic Performance: well-suited for multi-carrier, wide-bandwidth – SNR: 69 dBFS at 170 MHz communications applications. – SFDR: 85 dBc at 170 MHz The ADS4128 has fine-gain options that can be used • Dynamic Power Scaling with Sample Rate to improve SFDR performance at lower full-scale • Output Interface: input ranges, especially at high input frequencies. It includes a dc offset correction loop that can be used – Double Data Rate (DDR) LVDS with to cancel the ADC offset. At lower sampling rates, the Programmable Swing and Strength ADC automatically operates at scaled-down power – Standard Swing: 350 mV with no loss in performance. – Low Swing: 200 mV The ADS4128 is available in a compact QFN-48 – Default Strength: 100- Ω Termination package and is specified over the industrial – 2x Strength: 50- Ω Termination temperature range (–40°C to +85°C) – 1.8-V Parallel CMOS Interface Also Supported • Programmable Gain up to 6 dB for SNR and SFDR Trade-Off • DC Offset Correction • Supports Low Input Clock Amplitude Down To 200 mVPP • Package: 7-mm × 7-mm QFN-48 Family Comparison WITH ANALOG INPUT SAMPLING RATE BUFFERS FAMILY 65 MSPS 125 MSPS 160 MSPS 200 MSPS 250 MSPS 200 MSPS 250 MSPS ADS412x ADS4122 ADS4125 ADS4126 ADS4128 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. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 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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Mô tả tương tự - ADS4128IRGZR |
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