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ADS4129IRGZT

更新时间: 2024-11-24 06:36:23
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
79页 2042K
描述
14-/12-Bit, 160/250MSPS, Ultralow-Power ADC

ADS4129IRGZT 数据手册

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ADS4126, ADS4129  
ADS4146, ADS4149  
www.ti.com  
SBAS483D – NOVEMBER 2009REVISED APRIL 2010  
14-/12-Bit, 160/250MSPS, Ultralow-Power ADC  
Check for Samples: ADS4126, ADS4129, ADS4146, ADS4149  
1
FEATURES  
DC Offset Correction  
23  
Maximum Sample Rate: 250MSPS  
Supports Low Input Clock Amplitude Down To  
200mVPP  
Ultralow Power with 1.8V Single Supply:  
Package: QFN-48 (7mm × 7mm)  
200mW Total Power at 160MSPS  
265mW Total Power at 250MSPS  
DESCRIPTION  
High Dynamic Performance:  
The ADS414x/2x are  
a family of 14-bit/12-bit  
SNR: 70.6dBFS at 170MHz  
SFDR: 84dBc at 170MHz  
analog-to-digital converters (ADCs) with sampling  
rates up to 250MSPS. These devices use innovative  
design techniques to achieve high dynamic  
performance, while consuming extremely low power  
at 1.8V supply. The devices are well-suited for  
multi-carrier,  
applications.  
Dynamic Power Scaling with Sample Rate  
Output Interface  
Double Data Rate (DDR) LVDS with  
Programmable Swing and Strength  
wide  
bandwidth  
communications  
Standard Swing: 350mV  
The ADS414x/2x have fine gain options that can be  
used to improve SFDR performance at lower  
full-scale input ranges, especially at high input  
frequencies. They include a dc offset correction loop  
that can be used to cancel the ADC offset. At lower  
sampling rates, the ADC automatically operates at  
scaled down power with no loss in performance.  
Low Swing: 200mV  
Default Strength: 100Ω Termination  
2x Strength: 50Ω Termination  
1.8V Parallel CMOS Interface Also  
Supported  
Programmable Gain up to 6dB for SNR/SFDR  
Trade-Off  
The ADS414x/2x are available in a compact QFN-48  
pacakge and are specified over the industrial  
temperature range (–40°C to +85°C).  
ADS412x/ADS414x Family Comparison  
WITH ANALOG INPUT BUFFERS  
FAMILY  
250MSPS  
160MSPS  
250MSPS  
200MSPS  
ADS414x  
14-Bit Family  
ADS4149  
ADS4146  
ADS41B49  
ADS412x  
12-Bit Family  
ADS4129  
ADS4126  
ADS41B29  
11-Bit  
9-Bit  
ADS58B18  
ADS58B19  
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
3
PowerPAD is a trademark of Texas Instruments Incorporated.  
All other trademarks are the property of their respective owners.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2009–2010, Texas Instruments Incorporated  

ADS4129IRGZT 替代型号

型号 品牌 替代类型 描述 数据表
ADS4129IRGZR TI

完全替代

14-/12-Bit, 160/250MSPS, Ultralow-Power ADC
ADS4129IRGZ25 TI

完全替代

14-/12-Bit, 160/250MSPS, Ultralow-Power ADC

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