model name nt2520sa temperature-compensated crystal oscillator (tcxo) nt2520s series (with high-precision gps supported) pb free frequency (mhz) 13 16.368 16.369 16.8 19.2 24.5535 26 27.456 ordering code nt2520sa-13m-nsa3410a nt2520sa-16.368m-nsa3410a nt2520sa-16.369m-nsa3410a nt2520sa-16.8m-nsa3410a nt2520sa-19.2m-nsa3410a nt2520sa-24.5535m-nsa3410a nt2520sa-26m-nsa3410a nt2520sa-27.456m-nsa3410a the above frequencies are ndk s standard frequencies. frequencies other than the above are available. feel free to contact our sales representatives. co12_080918_nt2520sa_e for mobile terminals with high-precision gps functions mm ? frequency setting conditions 1. frequencies are set at normal temperatures (+252 c). 2. frequencies are set with a printed board that has a ground pattern attached to the underside of an oscillator. 3. connect the #1 terminal of the oscillator to the ground that comes with the oscillator. ? if you require a product with a different frequency, power supply voltage, frequency control characteristic, etc. to the standard specifications, please contact us with your enquiries. ? products with the afc (automatic frequency control) function are available. if you require such a product, please contact us. *1. a dc -cut capacitor is not embedded in this crystal oscillator. connect a dc-cut capacitor (1,000 pf) to the line-out terminal of the oscillator. pad no. connection #1 #2 #3 #4 (gnd)*2 gnd output vcc *2 : #1 pad. must be connected to ground. 2.5 0.2 0.7 0.1 1.45 0.2 #1 #4 #2 #1 #2 #3 2.0 0.2 #4 #3 0.45 0.1 0.65 0.2 0.6 0.1 (0.2 0.2) 2.1 0.375 0.375 reference land pattern 0.275 0.275 0.9 0.9 crystal oscillator n specifications n features n dimensions n list of ordering codes n main application l a crystal oscillator with highly stable frequency / temperature characteristics best suited for gps. l supports low power supply voltage. (supports dc +2.4 v0.1 v to +3.2 v0.1 v.) l ultra-compact and light with a height, cubic volume, and weight of max. 0.8 mm, 0.0035 cm 3 , and 0.013 g, respectively. l low power consumption. l a surface-mount crystal oscillator. (reflow soldering is possible.) l lead-free. meets the requirements for re-flow profiling using lead-free solder. standard nominal frequency (mhz) supply voltage [vcc] (v) load current consumption (ma) output voltage frequency stability operating temperature range (c) supply variation load variation aging 13 to 27.456 +2.8 10 k//10 pf max. 1.5 min. 0.8 v(p-p) (dc coupling *1) max. 0.510 C6 C30 to +85 max. 0.210 C6 /+2.8 v5 % max. 0.210 C6 /(10 k//10 pf) 10 % max. 1.010 C6 /year item model nt2520sa
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