GENERAL DESCRIPTION
DSC2140 and DSC2240 allow the user to modify the output frequency using I2C or SPI interface, respectively. User can also select from two pre-programmed default output frequencies using the control pin. DSC2140 and DSC2240 are packaged in 14pin 3.2x2.5 mm QFN packages and available in temperature grades from Ext. Commercial to Industrial. Block Diagram FEATURES
Low RMS Phase Jitter: <1 ps (typ) High Stability: ±10, ±25, ±50 ppm Wide Temperature Range o Industrial: -40° to 85° C o Ext. commercial: -20° to 70° C High Supply Noise Rejection: -50 dBc I2C/SPI Programmable Output Freq Short Lead Times: 2 Weeks Wide Freq. Range: o HCSL Output: 2.3 to 460 MHz Miniature Foot
