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PADS5546IRGZT Datasheet

  • PADS5546IRGZT

  • 14-BIT, 190 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS

  • 50頁

  • TI

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ADS5546
www.ti.com
SLWS183C 鈥?NOVEMBER 2005 鈥?REVISED OCTOBER 2006
14-BIT, 190 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS
FEATURES
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Maximum Sample Rate: 190 MSPS
14-Bit Resolution
No Missing Codes
Total Power Dissipation 1.1 W
Internal Sample and Hold
73.2-dBFS SNR at 70-MHz IF
87-dBc SFDR at 70-MHz IF, 0 dB gain
Double Data Rate (DDR) LVDS and Parallel
CMOS Output Options
Programmable Gain up to 6 dB for SNR/SFDR
Trade-Off at High IF
Reduced Power Modes at Lower Sample
Rates
Supports input clock amplitude down to 400
mV
PP
Clock Duty Cycle Stabilizer
No External Reference Decoupling Required
Internal and External Reference Support
Programmable Output Clock position to ease
data capture
3.3-V Analog and Digital Supply
48-QFN Package (7 mm
脳
7 mm)
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Power Amplifier Linearization
802.16d/e
Test and Measurement Instrumentation
High Definition Video
Medical Imaging
Radar Systems
DESCRIPTION
ADS5546 is a high performance 14-bit, 190-MSPS
A/D converter. It offers state-of-the art functionality
and performance using advanced techniques to
minimize board space. Using an internal sample and
hold and low jitter clock buffer, the ADC supports
both high SNR and high SFDR at high input
frequencies. It features programmable gain options
that can be used to improve SFDR performance at
lower full-scale analog input ranges.
In a compact 48-pin QFN, the device offers fully
differential LVDS DDR (Double Data Rate) interface
while parallel CMOS outputs can also be selected.
Flexible output clock position programmability is
available to ease capture and trade-off setup for hold
times. At lower sampling rates, the ADC can be
operated at scaled down power with no loss in
performance. ADS5546 includes an internal
reference, while eliminating the traditional reference
pins and associated external decoupling. The device
also supports an external reference mode.
The device is specified over
temperature range (-40擄C to 85擄C).
the
industrial
APPLICATIONS
Wireless Communications Infrastructure
Software Defined Radio
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005鈥?006, Texas Instruments Incorporated

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