Temperature Compensated Crystal Oscillators (TCXO, VCTCXO) Surface Mount Type TCXO (LSI Type) KT3225 Series 3.2×2.5mm Features RoHS Compliant How to Order KT3225K 26000 A C W 18 T xx • Miniature SMD type (3.2×2.5×0.8mm) • Freq. temp. characteristics. : ±2.0×10−6/ −30 to +85°C : ±0.5×10−6/ −30 to +85°C (for GPS) • 1.68 to 3.63V drive available • Reflow compatible • Operating Temp. −40 to +105°C (Option) • Ultra low supply current 600μA typ. Conditions of 26MHz and 0.4Vp-p (Option) ① Series ⑥ Supply Voltage ② Output Frequency 18 1.8V 28 2.8V ③ Freq. Temp. Chrst. 30 3.0V 33 3.3V Applications ④ Lower Operating Temp. ⑧ Option Code • Mobile Communications, W-LAN • Low power radio communications • GPS Unit ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ±0.5×10−6 ±1.0×10−6 ±1.5×10−6 ±2.0×10−6 A B C D ⑦ Voltage Control Function T Other∗ TCXO VCTCXO ∗ Customer Spec. −30°C −20°C −10°C C E G ⑤ Upper Operating Temp. +85°C +80°C +75°C W V U Packaging (Tape & Reel 12000 pcs./ reel) Specifications Item Output Frequency Range Symbol fo Frequency Tolerance f_tol Frequency Aging Storage Temperature Range Operating Temperature Range Voltage Control Range Supply Voltage Output Level Current Consumption Harmonics f_age T_stg T_use f_cont VCC Vpp ICC — Conditions Min. 10 −0.5/ −2 −0.2 −0.2 −1 −40 −30 ±8 1.68 0.8 — — vs Temperature vs Load vs Voltage Per Year Positive Clipped Sine∗, Load: 10k ohm / / 10pF Max. 52 +0.5/ +2 +0.2 +0.2 +1 +85 +85 ±15 3.63 — 2 −5 Units MHz ×10−6 ×10−6 °C °C ×10−6 V Vp-p mA dBc ∗ : A DC-cut capacitor is not embedded in this crystal oscillator. Connect a DC-cut capacitor (≥1nF) to the line-out terminal of the oscillator. ∗ Please contact us for other specifications. Dimensions (Unit: mm) 3.2±0.15 A Co POWER SUPPLY Vcc 4 3 TCXO V 1 2 RL 2.63 Spectrum Analyzer & Counter, Oscilloscope #4 #3 FET PROBE CL 0.8 max. 1.6 #2 1.2 Test circuit 2 VCTCXO A #2 #1 (Unit: mm) Test circuit 1 TCXO Marking Area #1 Recommended Land Pattern 0.24 #3 2.5±0.15 #4 Test Circuit 0.9 Co 0.7 POWER SUPPLY Vcc 4 3 TCXO V 1 2 RL Spectrum Analyzer & Counter, Oscilloscope #1 #2 0.8 FET PROBE CL 0.9 Vcon #4 0.6 #3 2.0 0.6 #1pin #2pin #3pin #4pin Pin Configuration GND/ Vcon GND OUTPUT Vcc Note: A capacitor of value 0.01μF between VCC and GND is recommended. RL=10kΩ±10% CL=10pF±10% • CL include Probe Capacitance Co: DC Cut Capacitance