2255

14Bit, 125/105MSPS Low Power 3V ADCs

DESCRIPTION

The LTC® /LTC2254 are 14-bit 125Msps/105Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2255/LTC2254 are perfect for demanding imaging and communications applications with AC performance that includes 72.3dB 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

■ 72.4dB SNR

■ 88dB SFDR

■ No Missing Codes

■ Flexible Input: 1VP-Pto 2VP-PRange

■ 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