DESCRIPTION

The LTC®2205-14 is a sampling 14-bit A/D converter designed for digitizing high frequency, wide dynamic range signals up to input frequencies of 700MHz. The input range of the ADC can be optimized with the PGA front end.

FEATURES

■ Sample Rate: 65Msps
■ 78.3dB SNR and 98dB SFDR (2.25VP-P Range)
■ SFDR >90dB at 140MHz (1.5VP-P Input Range)
■ PGA Front End (2.25VP-P or 1.5VP-P Input Range)
■ 700MHz Full Power Bandwidth S/H
■ Optional Internal Dither
■ Optional Data Output Randomizer
■ Single 3.3V Supply
■ Power Dissipation: 600mW
■ Optional Clock Duty Cycle Stabilizer
■ Out-of-Range Indicator
■ Pin Compatible Family
105Msps: LTC2207 (16-Bit), LTC2207-14 (14-Bit)
80Msps: LTC2206 (16-Bit), LTC2206-14 (14-Bit)
65Msps: LTC2205 (16-Bit)
40Msps: LTC2204 (16-Bit)
■ 48-Pin (7mm × 7mm) QFN Package

APPLICATIONS

■ Telecommunications
■ Receivers
■ Cellular Base Stations
■ Spectrum Analysis
■ Imaging Systems
■ ATE