
Linear Technology
DESCRIPTION
The LTC®1742 is an 65Msps, 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 LTC1742’s input range to be optimized for a wide variety of applications.
FEATURES
■ Sample Rate: 65Msps
■ 76.5dB SNR and 90dB SFDR (3.2V Range)
■ 72.8dB SNR and 90dB SFDR (2V Range)
■ No Missing Codes
■ Single 5V Supply
■ Power Dissipation: 1.275W
■ Selectable Input Ranges: ±1V or ±1.6V
■ 240MHz 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
■ Cellular Base Stations
■ Spectrum Analysis
■ Imaging Systems