1.8V ~ 3.6V SM VCTCXO for GPS GTXO-253 Specifications GTXO-253T: TCXO, no frequency adjustment GTXO-253V: TCXO with VC frequency adjustment Variant Parameters 2.50 0.20 V Frequency range: 10.0 ~ 40.0MHz Frequency calibration: 2.0ppm (+25C 3C) J H G E 0 to +50C -10 to +60C -20 to +75C -30 to +85C R C N S Storage temperature range: -40 to +85C Frequency vs supply voltage: 0.2ppm, VDD 5% Frequency vs load change: 0.2ppm (10k10%//10pF10%) Frequency slope: 0.05ppm/C over -30+85C Ageing: 1.0ppm max first year Supply voltage (VDD): +2.8V Other (+1.8V ~ +3.6V) Supply current: 1.5~2.0mA max Output waveform: Clipped sine, 0.8V p-p (see note 2) Test load: 10k // 10pF 3ms max Frequency adjustment: None 8 ~ 14ppm, +1.4V 1.0V Harmonics: -5dBc max -130dBc/Hz @ 1kHz Frequency stability: 2.5ppm 2.0ppm 1.5ppm 0.5ppm (see note 1) 2.00 0.20 ACTUAL SIZE 1.00 0.10 Temperature range: 1.60 1 2 4 0.60 3 1.00 4 3 1 2 1.20 1.20 TOP VIEW 0.80 PAD CONNECTION 1 Ground or Freq adjustment 2 Ground 3 Output 4 Supply Scale 4:1 Features Ideally suited for GPS applications Supply voltages from 1.8V ~ 3.6V Low power consumption Start up time: Miniature SM package Excellent frequency stability Phase noise: Standard Frequencies Option Codes T specify Standard. Optional - Please specify required code(s) when ordering Frequencies in MHz 13.00000 16.00000 16.36767 16.36800 16.36900 19.20000 23.10400 26.00000 30.00000 38.40000 40.00000 Other frequencies available. Please consult our sales office. Ordering Information Product name + variant + option codes + frequency Option codes must be included to properly specify a model. eg: GTXO-253V/JS 13.00MHz 2.5ppm -30+85C, TCXO with VC GTXO-253T/HN 14.40MHz 2.0ppm -20+75C, TCXO no VC Option code X (eg GTXO-253V/X) denotes a custom spec. 1: 0.5ppm over -30+85C is not available in V variant (VC-TCXO) 2: The output is not DC-free. A coupling capacitor (10nF) may be required. Tel: +44 1460 256 100 29 Mar 2011 Fax: +44 1460 256 101 E-mail: sales@golledge.com Web: www.golledge.com Product Information GTXO-253 Construction Ceramic body with gold-plated pads Metal lid, seam sealed Composition RoHS This product is lead-free, and is fully compliant with the RoHS directive 2002/95/EC Pb LeadFree 2002/95/EC Packaging & Handling Production quantities supplied on T & R, 1k or 3k pcs per reel. Small quantities may be supplied on tape (no reel), or in bulk. Static sensitive product. Observe proper handling precautions Soldering Profile 260C 5C 10s max C 260 Marking * * Pin 1 Marking type: Laser DC = Date code FREQUENCY DC 200 5C/s max Tape & Reel Specification 2.0 2.0 0.25 100 5C/s max 1.75 1.1O 1.5O 0.05 5 3.5 8.0 0.2 0.05 MARK 2.7 0.05 1.15 0.05 0 Preheat 140~160C Heat > 200C 90s max 40s max 200s max Solder resistance: 260C x 10 secs x 2. FEED 2.25 0.05 9.0 1.0 1.5 0.3 120 2.50 21O 180O +0/-3 13O 60O 1.0 Not to scale. Dimensions in mm.Tolerances 0.1mm unless otherwise stated Tel: +44 1460 256 100 29 Mar 2011 Fax: +44 1460 256 101 E-mail: sales@golledge.com Web: www.golledge.com Slow cooldown Time