cfpt-123 surface mount tcxos issue 4 ; 8 june 2005 delivery options please contact our sales office for current leadtimes description cfpt-123 is a surface mount temperature compensated voltage controlled crystal oscillator (tcvcxo) providing a high degree of frequency stability over a wide temperature range package outline 7.0 5.0 2.0mm smd stock frequencies 10.0, 12.80, 13.0, 14.40, 15.360, 19.20, 19.44, 19.68, 20.0, 26.0mhz output waveform clipped sine 0.8v pk-pk minimum output load: 10k ? // 10pf 10% frequency adjustment 5ppm min, v control 1.5v1.0v applied to pad 1 vc input impedance >1.0m ? frequency stability temperature (see table) supply voltage variation: 0.2ppm (5% change) load variation: 0.2ppm (10% change) ageing 1ppm typical first year @ 25c storage temperature range ?55 to 125 solder conditions for typical soldering conditions, please see the relevant pages in applications notes marking model number frequency minimum order information required frequency + model number + frequency stability + operating temperature range outline in mm 7.00.2 2.0max 1 4 3 0.80.1 1.40.1 2 1.90.1 2.70.1 4.2 1.8 5.00.2 pad connections 1. voltage control 2. gnd 3. output 4. +vs 1.2 5.7 solder pad layout 0.30.1 test circuit oscillator 43 12 0.1 f ma power supply v +vs +vs v 10pf* probe to counter or scope 10k * inclusive of jigging and equipment europe tel: +44 (0)1460 270200 fax: +44 (0)1460 72578 website: www.cmac.com americas tel: +1 919 941 9333 fax: +1 919 941 9371 asia tel: +86 755 8826 5991 fax: +86 755 8826 5990
surface mount tcxos electrical specifications - maximum limiting values when measured in test circuit frequency range supply voltage supply current voltage control output waveform output model change number 10.0 to 26.0mhz 3.0v0.15v 2.5ma 5.0ppm min. /1.5v1.0v clipped sine 0.8v pk-pk min cfpt-123 frequency stabilities available over operating temperature ranges operating frequency stabilities vs operating temperature range temperature 1.5ppm 2.0ppm 2.5ppm 5.0ppm ranges 0 to 50c cp gp hp kp ?10 to 60c cr gr hr kr ?20 to 70c ? gs hs ks ?30 to 80c ? gv hv* kv ?30 to 85c ? ? hw kw ?40 to 85c ? ? hx kx *please note code hv is the standard frequency stability vs operating temperature range ordering example 12.8mhz cfpt -123 hv frequency model number frequency stability vs operating temperature code outline in mm - tape outline in mm - reel 2.16 ? 1.5 16.0 7.5 2.0 8.0 8.18 4.0 5.56 +0.3 -0.1 ? 180 ? 60.0 16.40 20.20 13.00.2 note. other frequencies may be available, please contact our sales office. europe tel: +44 (0)1460 270200 fax: +44 (0)1460 72578 website: www.cmac.com americas tel: +1 919 941 9333 fax: +1 919 941 9371 asia tel: +86 755 8826 5991 fax: +86 755 8826 5990
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