STRATUM -III SMD VCTCXO Pb RoHS Compliant AST3 FEATURES: FEATURES: * High Precision over temperature (0.37 ppm over -40C to + 85C) * Excellent long term stability (4.60 ppm Max. over 20-Year life) * Small Profile (7*5*2 mm) * Low Power (< 6mA CMOS; < 3.5mA Sinewave) * Exceptional Close-in Phase Noise (-140 dBc/Hz @ 1kHz typ; 12.80MHz carrier) 7.0 x 5.0 x 2.0mm | | | | | | | | | | | | | | | APPLICATIONS: * Wireless & Wireline communications * Cellular Infrastructure * Point-to-Point Radios * Broadband Equipment * Test & Measurement Equipment * GPS tracking with precision hold-over accuracy ELECTRICAL SPECIFICATIONS: PARAMETERS ABRACON P/N AST3 Series Frequency 10.000MHz to 26.000MHz Standard Frequencies 10, 12.8,19.2, 19.44, 25.6 MHz Operating temperature - 20C to +70C (see option) Storage temperature - 55C to + 125C Overall Frequency Stability* 4.6ppm over 20-years Referenced to +25C Frequency Stability vs Temp range - 20C to +70C - 40C to +85C 0.28ppm 0.37ppm Supply voltage (Vdd) 3.3Vdc 5% (see option) Symmetry 45/55 % @ 50% Vdd Output level CMOS (see option) Output load 15pF (CMOS, Clipped Sinewave) Output Voltage (CMOS) VOH = 0.9*Vdd min. VOL = 0.1*Vdd max. Output Voltage (Clipped Sinewave) 0.8 Vp-p min Tri State Function VIH = 20%Vdd max.:Oscillation, VIL = 80%Vdd min.: High Z Start-up-time 2ms max. Current consumption 6mA max. (CMOS output) 3.5mA max. (Clipped Sinewave output) Vc port impedance 100k min. Control voltage range (Vc) 0 to Vdd (for VCTCXO) Frequency pull range 5.0 ppm min. (see options) Frequency pull slope Positive Spurious response: -70 dBc max. Phase Noise (12.8MHz carrier) @ 100 Hz offset @ 1000 Hz offset @ 10000 Hz offset -120 dBc/Hz -140 dBc/Hz -148 dBc/Hz * Overall frequency stability includes: as received set-tolerance, stability over temperature, shift through stand reflow, aging over 20-year product life, supply voltage and output load variation. ABRACON IS ISO 9001 / QS 9000 CERTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 1.14.08 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com STRATUM -III SMD VCTCXO Pb RoHS Compliant AST3 7.0 x 5.0 x 2.0mm | | | | | | | | | | | | | | | OPTIONS & PART IDENTIFICATION: (Left blank if standard) AST3 P/N and Vdd (V) Blank 3.35% A 5.05% - Frequency - - Temp Range E L Frequency XX.XXXX MHz - Blank SW -20C to +70C - 40C to +85C Packaging Blank Bulk Tape and T Reel Output CMOS Clipped Sinewave TC N5 N8 Pulling TCXO 5 ppm 8 ppm OUTLINE DRAWING: Dimensions: inch (mm) PIN 1 2 3 4 5 6 7 8 9 10 FUNCTION Control voltage (VC); NC for a TCXO NC NC NC GND RF Output (CMOS or Clipped Sinewave) NC NC Tri-state Control Vdd Note: Recommend using an approximately 0.01uF bypass capacitor between PIN 5 and 10. TAPE & REEL: Dimensions: mm ABRACON IS ISO 9001 / QS 9000 CERTIFIED Visit www.abracon.com for Terms & Conditions of Sale Revised: 1.14.08 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com