PLL520-28

PLL520-28/-29 www.DataSheet4U.com Low Phase Noise VCXO (for 120-200MHz Fund Xtal) PIN CONFIGURATION (Top View) FEATURES 120MHz to 200MHz Fundamental Mode Crystal. Output range: 120 – 200MHz (no PLL). Low Injection Power for crystal 50uW. Sub 0.5pS RMS phase jitter ( 12kHz to 20MHz ). PECL (PLL520-28) or LVDS output (PLL520-29). Integrated variable capacitors. Supports 2.5V or 3.3V-Power Supply. Available in 16-Pin (TSSOP or 3x3mm QFN). VDD XIN XOUT N/C N/C 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 N/C N/C GND CLKC VDD CLKT N/C N/C PLL 520-2x DESCRIPTION The PLL520-28/-29 are a family of VCXO IC’s specifically designed to pull high frequency fundamental crystals. They achieve very low current into the crystal resulting in better overall stability. Their internal varicaps allow an on chip frequency pulling, controlled by the VCON input. Their very low jitter makes them ideal for the most demanding timing requirements. OE VCON GND VDD VDD N/C 10 XIN XOUT N/C OE 12 13 14 15 16 1 11 N/C 9 8 7 6 5 GND CLKC VDD CLKT P520-2x 2 3 4 GND GND OE VCON Oscillator XIN XOUT Q Q OUTPUT ENABLE LOGICAL LEVELS Part # PLL520-28 PLL520-29 OE 0 (Default) 1 0 1 (Default) State Output enabled Tri-state Tri-state Output enabled Amplifier w/ integrated varicaps PLL520-28/-29 OE input: Logical states defined by PECL levels for PLL520-28 Logical states defined by CMOS levels for PLL520-29 47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 49...