Model 581 Stratum 3 Performance Temperature Compensated Crystal Oscillator FEATURES HCMOS Output Optional Voltage Control for Frequency Tuning VCTCXO 5.0mm x 3.2mm Surface Mount Package Frequency Range 5 52 MHz Fundamental Crystal Design Operating Voltage, +3.3Vdc or +5.0Vdc Overall Frequency Stability 4.6ppm Operating Temperature to -40C to +85C Tape & Reel Packaging Standard, EIA-418 RoHS/Green Compliant 6/6 APPLICATIONS The Model 581 is a quartz based analog TCXO with a HCMOS output and optional frequency tuning. M581 is suitable for applications requiring Stratum 3 performance such as base stations, small cells, 1588 and Synchronous Ethernet timing, wireless communications, test and measurement. ORDERING INFORMATION 581 PACKAGING OPTIONS SUPPLY VOLTAGE R = +3.0Vdc S = +5.0Vdc T - 1k pcs./reel L = +3.3Vdc FREQUENCY FREQUENCY TUNING AFC Product Frequency Code 3 digits T = No AFC TCXO Refer to document 016-1454-0, Frequency A = 5ppm - 8ppm VCTCXO Code Tables. OPERATING TEMPERATURE RANGE FREQUENCY STABILITY * W = 0C to +55C 1 X5 = 0.05ppm H = -10C to +60C X2 = 0.28ppm 2 C = -20C to +70C 01 = 0.10ppm 05 = 0.50ppm D = -30C to +85C 02 = 0.20ppm I = -40C to +85C * Frequency vs. Temperature Only 1 Only available with temperature range codes and. 2 Only available with temperature range codes, and. Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. PACKAGING INFORMATION reference Device quantity is 1k pcs. maximum per 180mm reel. Document No. 008-0541-0 Page 1 - 3 Rev. A www.ctscorp.com Model 581 Stratum 3 TCXO/VC-TCXO HCMOS ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Maximum Supply Voltage V - -0.6 - 6.0 V CC Maximum Control Voltage V --0.5- V V C CC T Storage Temperature - -40 - +100 C STG Operating Temperature T - C Order Code C A -20 +70 +25 Order Code I -40 +85 f - Frequency Range 5- 52 MHz O Supply Voltage Order Code R 2.85 3.0 3.15 V 5% V CC Order Code L 3.14 3.3 3.47 Order Code S 4.75 5.0 5.25 Supply Current I -- 6.0 mA CC Frequency Stability Overall Frequency Stability Reference to f , Including 20 years aging - - 4.60 O f/f O vs. Initial Calibration +25C, at time of shipment - - 1.00 1 vs. Operating Temperature Fmax. - Fmin. /2, over -40C to +85C - - 0.28 vs. Supply Voltage 5% change +25C - - 0.20 ppm f/f 25 vs. Load 5% change - - 0.20 vs. Aging 20 years +40C - - 3.00 f/f Holdover Fmax. - Fmin. /2, over 24 hours - - 0.40 O Control Voltage V - 0.5 1.5 2.5 V C V = 1.5V 1.0V, monotonic positive 5 - 8 Frequency Tuning VCTCXO Only - ppm C V Input Impedance ZV -100--kOhm C C Output Waveform HCMOS Output Voltage Levels V 0.9*V Logic 1 Level HCMOS Load -- OH CC V Logic 0 Level V HCMOS Load - - 0.1*V OL CC C Output Load ---15pF L T , T Rise and Fall Time 20% - 80% Levels - 3.0 6.0 ns R F Output Duty Cycle SYM 50% Level 45 - 55 % Start Up Time T ---2ms S 2 Phase Noise -- dBc/Hz Notes: 1. See Ordering Information for stability options. 2. Phase Noise performance may vary based on output frequency. See example plot at 10MHz below. Document No. 008-0541-0 Page 2 - 3 Rev. A ELECTRICAL PARAMETERS