TF32 Series Tuning Fork Crystal FEATURES 32.7680 kHz Frequency Reference Package Size 3.2mm x 1.5mm Tuning Fork Crystal Design Hermetic Ceramic Package Frequency Tolerance, 20 ppm Standard 10 ppm, 30 ppm and 50 ppm available 2 Frequency Temperature Coefficient, -0.030ppm/C Operating Temperature, -40C to +85C Standard Tape & Reel Packaging RoHS/Green Compliant (6/6) APPLICATIONS The TF32 crystal series is ideal for use in a wide range of communication equipment, measurement equipment, industrial applications, automotive electronics, wireless communications, PDAs, mobile phones and notebooks. ORDERING INFORMATION TF 32 32 K 76 80 PACKAGE SIZE FREQUENCY IN kHz 1 32 = 3.2mm x 1.5mm K - indicates kHz and decimal point. FREQUENCY TOLERANCE 25C LOAD CAPACITANCE 1 = 10 ppm P = 12.5 pF standard 2 = 20 ppm standard J = 9 pF 3 = 30 ppm N = 7 pF 5 = 50 ppm Example Part Numbers: TF322P32K7680 TF322J32K7680 1 Frequency is recorded with two leading digits before the K and 4 significant digits after the K (including zeros). Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. Document No. 008-0354-0 Page 1- 3 Rev. A www.ctscorp.com TF32 Series Tuning Fork Crystal ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Frequency f 32.7680 kHz 0 Operating Mode - Flexural Mode Tuning Fork - f/f Frequency Tolerance +25C * - 20 - ppm 0 2 Frequency Temperature Coefficient f/f -0.030 0.01ppm/C - M See Figure 1 Frequency Stability Operating Temperature Range T -40 - +85 C A T Turnover Temperature 5C - +25 - C M Load Capacitance * C Standard - 12.5 - pF L f/f Aging +25C, 1st year - - 3.0 ppm 0 Drive Level DL - 0.1 0.5 W Shunt Capacitance C 1 MHz - - 7.0 pF 0 Motional Capacitance C -5.0 - fF 1 R Series Resistance -- 70 k Ohms 1 Insulation Resistance R +100Vdc 15Vdc 500 - - M Ohms i T Storage Temperature Range -55 - +125 C STR * See Ordering Information for available options. FIGURE 1 PARABOLIC TEMPERATURE CURVE 0 -40 -30 -20 -10 0 1020 30 4050 60 70 8090 -10 -20 -30 -40 -50 Frequency stability ppm is determined using parabolic 2 curve, f = Temperature Coefficent(T -T ) . A M -60 -70 Ex. Find frequency stability at T = 45C A 2 f = -0.030(45-25) -80 2 f = -0.030(20) f = -12.0 ppm -90 -100 -110 -120 -130 Temperature C PACKAGING INFORMATION Per standard EIA-418. Device quantity is 3,000 pieces per 180mm reel. 13.0 2.0 DIMENSIONS IN MILLIMETERS 13.5 4.0 4.0 1.50 1.75 1.0 120 60 180 12.0 3.6 21.4 1.85 DIRECTION OF FEED Document No. 008-0354-0 Page 2 - 3 Rev. A ELECTRICAL PARAMETERS f/f ppm