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LTC2208UP-14 Integrated Circuits Linear Technology





Sample Rate: 160Msps

77.3dBFS Noise Floor

100dB SFDR

SFDR >84dB at 250MHz (1.5VP-P Input Range)

PGA Front End (2.25VP-P or 1.5VP-P Input Range)

700MHz Full Power Bandwidth S/H

Optional Internal Dither

Optional Data Output Randomizer

LVDS or CMOS Outputs

Single 3.3V Supply

Power Dissipation: 1.45W

Clock Duty Cycle Stabilizer

Pin-Compatible Family: 

130Msps: LTC2208 (16-Bit), LTC2208-14 (14-Bit)

105Msps: LTC2217 (16-Bit)

64-Pin (9mm × 9mm) QFN Package




Cellular Base Stations

Spectrum Analysis

Imaging Systems



LTC2208-141220814fb14-Bit, 130Msps ADCThe  LTC®2208-14  is  a  130Msps,  sampling  14-bit  A/D  converter  designed  for  digitizing  high  frequency,  wide  dynamic  range  signals  with  input  frequencies  up  to  700MHz.  The  input  range  of  the  ADC  can  be  optimized  with the PGA front end.

The LTC2208-14 is perfect for demanding communications applications, with AC performance that includes 77.1dBFS Noise Floor and 98dB spurious free dynamic range (SFDR). Ultralow jitter of 70fsRMS allows undersampling of high input  frequencies  with  excellent  noise  performance.  Maximum DC specs include ±1.5LSB INL, ±0.5LSB DNL (no missing codes).

The  digital  output  can  be  either  differential  LVDS  or  single-ended CMOS. There are two format options for the CMOS outputs: a single bus running at the full data rate or demultiplexed buses running at half data rate. A separate output  power  supply  allows  the  CMOS  output  swing  to  range from 0.5V to 3.6V. 

The  ENC+  and  ENC–  inputs  may  be  driven  differentially  or  single-ended  with  a  sine  wave,  PECL,  LVDS,  TTL  or  CMOS inputs. An optional clock duty cycle stabilizer al-lows high performance at full speed with a wide range of clock duty cycles. 

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