DESCRIPTION

The LTC®2240-12 is a 170Msps, sampling 12-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2240-12 is perfect for demanding communications applications with AC performance that includes 65.6dB SNR and 80dB SFDR. Ultralow jitter of 95fsRMS allows IF undersampling with excellent noise performance.

FEATURES

■ Sample Rate: 170Msps
■ 65.6dB SNR
■ 80dB SFDR
■ 1.2GHz Full Power Bandwidth S/H
■ Single 2.5V Supply
■ Low Power Dissipation: 445mW
■ LVDS, CMOS, or Demultiplexed CMOS Outputs
■ Selectable Input Ranges: ±0.5V or ±1V
■ No Missing Codes
■ Optional Clock Duty Cycle Stabilizer
■ Shutdown and Nap Modes
■ Data Ready Output Clock
■ Pin Compatible Family
250Msps: LTC2242-12 (12-Bit), LTC2242-10 (10-Bit)
210Msps: LTC2241-12 (12-Bit), LTC2241-10 (10-Bit)
170Msps: LTC2240-12 (12-Bit), LTC2240-10 (10-Bit)
185Msps: LTC2220-1 (12-Bit)
170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit)
135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit)*
■ 64-Pin 9mm × 9mm QFN Package

APPLICATIONS

■ Wireless and Wired Broadband Communication
■ Cable Head-End Systems
■ Power Amplifi er Linearization
■ Communications Test Equipment