DESCRIPTION
The LTC®2253/LTC2252 are 12-bit 125Msps/105Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2253/ LTC2252 are perfect for demanding imaging and communications applications with AC performance that includes 70.1dB SNR and 85dB SFDR for signals at the Nyquist frequency.

FEATURES
■ Sample Rate: 125Msps/105Msps
■ Single 3V Supply (2.85V to 3.4V)
■ Low Power: 395mW/320mW
■ 70.2dB SNR
■ 88dB SFDR
■ No Missing Codes
■ Flexible Input: 1VP-P to 2VP-P Range
■ 640MHz Full Power Bandwidth S/H
■ Clock Duty Cycle Stabilizer
■ Shutdown and Nap Modes
■ Pin Compatible Family
   125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit)
   105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit)
   80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit)
   65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit)
   40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit)
   25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit)
   10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit)
■ 32-Pin (5mm × 5mm) QFN Package

APPLICATIONS
■ Wireless and Wired Broadband Communication
■ Imaging Systems
■ Ultrasound
■ Spectral Analysis
■ Portable Instrumentation