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