
Linear Technology
DESCRIPTION
The LTC®2285 is a 14-bit 125Msps, low power dual 3V A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2285 is perfect for demanding imaging and communications applications with AC performance that includes 72.2dB SNR and 82dB SFDR for signals at the Nyquist frequency.
FEATURES
■ Integrated Dual 14-Bit ADCs
■ Sample Rate: 125Msps
■ Single 3V Supply (2.85V to 3.4V)
■ Low Power: 790mW
■ 72.4dB SNR, 88dB SFDR
■ 110dB Channel Isolation at 100MHz
■ Flexible Input: 1VP-P to 2VP-P Range
■ 640MHz Full Power Bandwidth S/H
■ Clock Duty Cycle Stabilizer
■ Shutdown and Nap Modes
■ Data Ready Output Clock
■ Pin Compatible Family
125Msps: LTC2283 (12-Bit), LTC2285 (14-Bit)
105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit)
80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit)
65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit)
40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit)
■ 64-Pin (9mm × 9mm) QFN Package
APPLICATIONS
■ Wireless and Wired Broadband Communication
■ Imaging Systems
■ Spectral Analysis
■ Portable Instrumentation