LTC2255IUH Datasheet PDF - Linear Technology

●DESCRIPTION

●The LTC® 2255/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