Temperature Compensated Crystal Oscillators KT16 Series FEATURES * Miniature SMD type (7.0x5.2.0x1.8mm) * Frequency adjustment free after reflow soldering process * AFC function available * 2.7V, 3.0V, 3.3V drive available * Frequency Stability = 2ppm at 30 to +80C APPLICATIONS DIMENSIONS millimeters (inches) * PDC, GSM, CDMA, TDMA HOW TO ORDER 7.0 (0.276) 0.3 (0.012) KT16 - D C V 30 L - 19.680M Marking Area T Packaging 5.2 (0.205) 0.3 (0.012) T = Tape and reel 4,000 pcs/reel Frequency (MHz) #1 pin mark 12.800 13.000 14.400 1.8 (0.071) max 1.0 (0.039) 1 2 3.2 (0.126) 4 19.440 19.680 19.800 AFC Function Pin Configuration 5.08 (0.200) 14.850 16.800 19.200 L = Yes VCON Supply Voltage GND/CASE GND 28 = 2.8V, OUTPUT 30 = 3.0V Upper Operating Temp. +Vcc V = 80C, T = 70C, R = 60C Lower Operating Temp. 3 1.0 (0.039) C = -30C, G = -10C, E = -20C 1.2 (0.047) Frequency Stability 0.4 (0.016) K = 5ppm, E = 2.5ppm, D = 2.0ppm Series TEST CIRCUIT Test Circuit 1 (Amplitude) Test Circuit 2 (Harmonics and Frequency) A A Spectrum Analyzer Synchronized Scope Counter POWER SUPPLY V Vcc POWER 4 3 OSCILLATOR 1 2 Vcon or N.C. 100k SUPPLY 4 3 OSCILLATOR 1 2 V Vcc C1 10k 5% Vcon or N.C. 100k 10k 5% 10pF 5% SPECIFICATIONS Items Supply Voltage Output Frequency Specifications Cellular 2.7 3.0 3.3 Code VCC fo Operating Temperature Storage Temperature Topr Tstg Frequency Stability f/fo Aging Rate Output Voltage Supply Current Trimmer Control Range Voltage Control Range Harmonics Aging Vout Icc f/C f/V -- 26.000 19.680 13.000 19.440 14.400 12.800 -30 to +80 -40 to +85 2.0 max. 2.5 max. 0.2 max. 0.3 max. 1.0 max. 0.8 min. 1.5 max. -- 8.0 to 15 -3.0 max. Unit Remarks V -- MHz -- C C -- -- ppm vs temperature (after reflow) ppm ppm ppm/year Vp-p mA ppm ppm dBc vs load vs voltage 25C2C load 10k/10pF -- -- -- -- 43