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ADS5545IRGZT
14-BITS, 170 MSPS ADC WITH LVDS/CMOS OUTPUTS
www.ti.com
FEATURES APPLICATIONS
DESCRIPTION
ADS5545
SLWS180C–NOVEMBER 2005–REVISED MAY 2007
14-BIT, 170 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS Wireless Communications Infrastructure•
Maximum Sample Rate: 170 MSPS Software Defined Radio•
14-Bit Resolution Power Amplifier Linearization•
No Missing Codes •
802.16d/e•
Total Power Dissipation 1.1W •
Test and Measurement Instrumentation•
Internal Sample and Hold •
High Definition Video•
74-dBFS SNRat 70-MHzIF •
Medical Imaging•
85-dBc SFDRat 70-MHzIF,0 dB gain •
Radar Systems•
11.4 ENOB Minimumat 70-MHzIF Double Data Rate (DDR) LVDS and Parallel
CMOS Output Options ADS5545isa high performance 14-bit, 170-MSPS•
Programmable Gain upto6 dB for SNR/SFDR A/D converter.It offers state-of-the-art functionality
Trade-Offat HighIF and performance using advanced techniques to
minimize board space. Usingan internal sample and•
Reduced Power Modesat Lower Samplehold and low jitter clock buffer, the ADC supports
Rates both high SNR and high SFDR at high input•
Supports input clock amplitude downto frequencies.It features programmable gain options
400 mVPP that can be usedto improve SFDR performanceat•
Clock Duty Cycle Stabilizer lower full-scale analog input ranges.
No External Reference Decoupling Required Ina compact 48-pin QFN, the device offers fully
Internal and External Reference Support differential LVDS DDR (Double Data Rate) interface
while parallel CMOS outputs can also be selected.•
Programmable Output Clock positionto ease Flexible output clock position programmability is
data capture availableto ease capture and trade-off setupfor hold•
3.3-V Analog and Digital Supply times. At lower sampling rates, the ADC can be
48-QFN Package(7 mm×
7 mm) operated at scaled down power with no loss in
performance. ADS5545 includes an internal
reference, while eliminating the traditional reference
pins and associated external decoupling. The device
also supportsan external reference mode.
The device is specified over the industrial
temperature range (-40°Cto 85°C).
