NT2520SB Datasheet | NDK

Document No. ETS10B-07838 1/10 SPECIFICATION Customer: MTK Item: Type: Nominal frequency: Customer’s Spec. No.: NDK Spec. No.: CRYSTAL OSCILLATOR NT2520SB 26 MHz ----------ENG3209D Receipt Charge: Sales Engineer NDK-TP Lilian Chiu Engineering Dept. 3 T.Wada Rev. Rev. Date ----- Jan. 18. 2013 Items Issue Tel. +886-2-2555-0232 Tel. +81-4-2900-6634 Approved Checked Drawn Revision Record Contents K.Moriya Y.Akasaka T.Wada Remarks NIHON DEMPA KOGYO CO., LTD. Form P-1E(2006.6.28) 1. Type NT2520SB Document No. ETS10B-07838 2/10 2. Rating 2.1 Nominal frequency 26 MHz (2 digits marking) 2.2 Supply voltage +2.8V +/-5 %DC (-Earth) 2.3 Current consumption Max. 1.5m A 2.4 Output voltage 0.8 to 1.2Vp-p Clipped sine wave (DC-Coupling) 2.5 Operating temp. range -30 to +85C 2.6 Storage temp. range -55 to +125C 2.7 Load impedance 10k // 10p F 2.8 DC-cut capacitor DC-cut capacitor of output is not put in VC-TCXO. Please add DC-cut capacitor (1000p F) in output line. 3. Electrical specification 3.1 Frequency stability 3.1.1 Frequency/Temperature characteristics at control voltage (Vcont) =+1.4 V DC Max. +/-2.0ppm / -30 to +85 C (Based on frequency at +25 +/-2 C) 3.1.2 Frequency/Voltage coefficient Max. +/-0.2 ppm / +2.8V +/-5% 3.1.3 Frequency/Load coefficient Max. +/-0.2 ppm / (10k // 10p F) +/-10 3.1.4 Frequency tolerance at control voltage (Vcont) =+1.4V DC Max. +/-2.0 ppm (at +25 +/-2 C, after 2 times reflow soldering, based on nominal frequency) 3.1.5 Long-term frequency stability Max. +/-1.0 ppm / year 3.2 External adjustment 3.2.1 Control voltage (Vcont) +1.4 V +/-1.0 V DC 3.2.2 Frequency control range based on frequency at (Vcont) = +1.4 V DC +/-9.0 to +/-15.0 ppm 3.2.3 Frequency change polarity Positive 3.4 Duty cycle 40 to 60 % (at -30 to +85C) 45 to 55 % (at +25 C) (Based on 0V. The output signal after DC cut capacitor passage) 3.5 Start-up time Max. 3.0ms (More than 90 % of final output voltage, Less than +/-1.0 ppm of steady state frequency) 3.6...