
Linear Technology
DESCRIPTION
The LTC®1744 is a 50Msps, sampling 14-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. Pin selectable input ranges of±1V and±1.6V along with a resistor programmable mode allow the LTC1744’s input range to be optimized for a wide variety of applications.
FEATURES
■ Sample Rate: 50Msps
■ 77dB SNR and 87dB SFDR (3.2V Range)
■ 73.5dB SNR and 90dB SFDR (2V Range)
■ No Missing Codes
■ Single 5V Supply
■ Power Dissipation: 1.2W
■ Selectable Input Ranges: ±1V or ±1.6V
■ 150MHz Full Power Bandwidth S/H
■ Pin Compatible Family
25Msps: LTC1746 (14 Bit), LTC1745 (12 Bit)
50Msps: LTC1744 (14 Bit), LTC1743 (12 Bit)
65Msps: LTC1742 (14 Bit), LTC1741 (12 Bit)
80Msps: LTC1748 (14 Bit), LTC1747 (12 Bit)
■ 48-Pin TSSOP Package
APPLICATIONS
■ Telecommunications
■ Receivers
■ Base Stations
■ Spectrum Analysis
■ Imaging Systems