Crystal Oscillator NT2520SB Temperature Compensated Crystal Oscillator with AFC function(VC-TCXO) ■ Main Application Smartphone / Mobile phone, Wireless module, and GPS / GNSS module, etc. ■ Features ● Supports low power supply voltage. (Supports DC +1.7V to +3.3V. Standard specification : +1.8V and +2.8V) ● Compact and light with a height, cubic volume, and weight of Max. 0.9 mm, 0.004 cm3, and 0.014 g, respectively. ● Low power consumption. ● A surface-mount crystal oscillator. (Reflow soldering is possible.) ● Lead-free. Meets the requirements for re-flow profiling using lead-free solder. ● With an AFC (Automatic Frequency Control) function. ■ Specifications Model Item NT2520SB Nominal Frequency (MHz) 10 to 52 Standard Frequency (MHz) 16.368 16.369 19.2 26 Supply Voltage [VCC] (V) 33.6 38.4 52 Max. 1.7 Max. 2.0 +1.8, +2.8 Load Impedance 10 kΩ//10 pF Current Consumption (mA) Max. 1.5 Output Voltage Min. 0.8 V(p-p) (DC Coupling *1) Frequency/Temperature Characteristics Max. ±2.0×10–6 Operating Temperature Range (°C) –30 to +85 Storage Temperature Tange (°C) –40 to +85 Frequency/Voltage Coefficient Max. ±0.2×10–6/VCC±5 % Frequency/Load Coefficient Max. ±0.2×10–6/(10 kΩ//10 pF) ±10 % Long-term Frequency Stability Max. ±1.0×10–6/year ±8.0 to ±13.0×10–6/+0.9 V ± 0.8 V (Supply Voltage : +1.8V) ±9.0 to ±15.0×10–6/+1.4 V ± 1.0 V (Supply Voltage : +2.8V) Frequency Control Range •Frequency setting conditions : Frequencies are set at normal temperatures (+25±2 °C). *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. ■ Dimensions #1 #2 #3 0.8±0.1 0.35±0.1 #6 0.5 NSA3638A NSA3637A 19.2 NSA3638A NSA3637A 26 NSA3638B NSA3637B VCC 33.6 NSA3638B NSA3637B N/C or GND 38.4 NSA3638C NSA3637C 52 NSA3638D NSA3637D #1 Vcont #3 GND #4 OUTPUT #6 #2, #5 Frequency (MHz) Land pattern (Typical) (0.95) (0.4) (0.95) #3 (0.6) #2 (0.55) (0.7) (0.55) #5 #4 (0.3) 0.7±0.1 1.8 #1 16.369 Terminal land connections 2.5 (0.15×0.15) 16.368 Ordering Code +1.8V +2.8V NSA3638A NSA3637A mm #4 (0.43) #5 2.0 #6 ■ List of Ordering Codes (0.5) (1.8) (0.5) Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us. 1803E_NT2520SB_AFC_e