ADS4149IRGZT ,14 bit 250MSPS Low Power ADC 48-VQFN -40 to 85MAXIMUM RATINGSOver operating free-air temperature range, unless otherwise noted.VALUE UNITSupply v ..
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ADS41B29IRGZT ,12 bit 250MSPS Buffered Low Power ADC 48-VQFN -40 to 85Electrical Characteristics: ADS41B29, ADS41B49. 1010.1 Power-Supply Sequence... 506.7 Digital Chara ..
ADS41B49IRGZR ,14 bit 250MSPS Buffered Low Power ADC 48-VQFN -40 to 85Featuresand offset correction. The gain option can be used to1• ADS41B49: 14-Bit, 250 MSPSimprove S ..
ADS41B49IRGZT ,14 bit 250MSPS Buffered Low Power ADC 48-VQFN -40 to 85Electrical Characteristics: ADS41B29, ADS41B49. 1010.1 Power-Supply Sequence... 506.7 Digital Chara ..
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AL320 , Analog LCD Display Controller
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ADS4149IRGZR-ADS4149IRGZT
14 bit 250MSPS Low Power ADC
ADS4126, ADS4129
ADS4146, ADS4149
www.ti.com SBAS483G– NOVEMBER 2009–REVISED JANUARY 2011
12-/14-Bit, 160/250MSPS, Ultralow-Power ADC
Checkfor Samples: ADS4126, ADS4129, ADS4146, ADS4149
1FEATURES 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 upto 250MSPS. These devices use innovative
– 201mW Total Powerat 160MSPS design techniques to achieve high dynamic
– 265mW Total Powerat 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: 70.6dBFSat 170MHz applications.
– SFDR: 84dBcat 170MHzThe 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 includea dc offset correction loop
that can be usedto cancel the ADC offset.At lower
Programmable Swing and Strengthsampling rates, the ADC automatically operatesat
– Standard Swing: 350mV scaled down power withno lossin performance.
– Low Swing: 200mVThe ADS412x/4x are availableina compact QFN-48
– Default Strength: 100Ω Termination package and are specified over the industrial
– 2x Strength: 50Ω Termination temperature range (–40°Cto +85°C)
1.8V Parallel CMOS Interface Also
Supported Programmable Gain upto 6dB for SNR/SFDR
Trade-Off DC Offset Correction Supports Low Input Clock Amplitude Down To
200mVPP Package: QFN-48 (7mm× 7mm)
