SiT9005 1 to 141 MHz EMI Reduction Oscillator Features Applications Spread spectrum for EMI reduction Surveillance camera Wide spread % option IP camera Center spread: from 0.125% to 2%, 0.125% Industrial motors step size Flat panels Down spread: -0.25% to -4% with -0.25% Multi function printers step size PCI express Spread profile option: Triangular, Hershey-kiss Programmable rise/fall time for EMI reduction: 8 options, 0.25 to 40 ns Any frequency between 1 MHz and 141 MHz accurate to 6 decimal places 100% pin-to-pin drop-in replacement to quartz-based XOs Excellent total frequency stability as low as 20 ppm Operating temperature from -40C to 85C Low power consumption of 4.0 mA typical at 1.8 V Pin1 modes: Standby, output enable, or spread disable Fast startup time of 5 ms LVCMOS output Industry-standard packages 2 QFN: 2.0 x 1.6, 2.5 x 2.0, 3.2 x 2.5 mm 2 Contact SiTime for SOT23-5 (2.9 x 2.8 mm ) RoHS and REACH compliant, Pb-free, Halogen-free and Antimony-free Electrical Specifications Table 1. Electrical Characteristics All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise stated. Typical values are at 25C and 3.3 V supply voltage. Parameters Symbol Min. Typ. Max. Unit Condition Frequency Range Output Frequency Range f 1 141 MHz Frequency Stability and Aging Frequency Stability F stab -20 +20 ppm Inclusive of initial tolerance at 25C, 1st year aging at 25C, and variations over operating temperature, rated power supply -25 +25 ppm voltage. Spread = Off. -50 +50 ppm Operating Temperature Range Operating Temperature Range T use -20 +70 C Extended Commercial -40 +85 C Industrial Supply Voltage and Current Consumption Supply Voltage Vdd 1.62 1.8 1.98 V 2.25 2.5 2.75 V 2.52 2.8 3.08 V 2.7 3.0 3.3 V 2.97 3.3 3.63 V 2.25 3.63 V Current Consumption Idd 5.6 6.5 mA No load condition, f = 40 MHz, Vdd = 2.5 V to 3.3 V 5.0 5.5 mA No load condition, f = 40 MHz, Vdd = 1.8 V OE Disable Current I OD 5.0 6.5 mA f = 40 MHz, Vdd = 2.5 V to 3.3 V, OE = GND, Output in high-Z state 4.6 5.2 mA f = 40 MHz, Vdd = 1.8 V, OE = GND, Output in high-Z state Standby Current I std 2.1 4.3 A ST = GND, Vdd = 2.5 V to 3.3 V, Output is weakly pulled down 0.4 1.5 A ST = GND, Vdd = 1.8 V, Output is weakly pulled down Rev 1.01 11 March 2021 www.sitime.com SiT9005 1 to 141 MHz EMI Reduction Oscillator Table 1. Electrical Characteristics (continued) Parameters Symbol Min. Typ. Max. Unit Condition LVCMOS Output Characteristics Duty Cycle DC 45 55 % Rise/Fall Time Tr, Tf 1 2 ns Vdd = 2.5 V, 2.8 V, 3.0 V or 3.3 V, 20% - 80%, default derive strength 1.3 2.5 ns Vdd =1.8 V, 20% - 80%, default derive strength 2 ns Vdd = 2.25 V - 3.63 V, 20% - 80%, default derive strength Output High Voltage VOH 90% Vdd IOH = -4 mA (Vdd = 3.0 V or 3.3 V) IOH = -3 mA (Vdd = 2.8 V and Vdd = 2.5 V) IOH = -2 mA (Vdd = 1.8 V) Output Low Voltage VOL 10% Vdd IOL = 4 mA (Vdd = 3.0 V or 3.3 V) IOL = 3 mA (Vdd = 2.8 V and Vdd = 2.5 V) IOL = 2 mA (Vdd = 1.8 V) Input Characteristics Input High Voltage VIH 70% Vdd Pin 1, OE or ST Input Low Voltage VIL 30% Vdd Pin 1, OE or ST Input Pull-up Impedance Z in 50 87 150 Pin 1, OE logic high or logic low, or ST logic high k 2 Pin 1, ST logic low M Startup and Resume Timing Startup Time T start 5 ms Measured from the time Vdd reaches its rated minimum value Enable/Disable Time T oe 180 ns f = 40 MHz. For other frequencies, T oe = 100 ns + 3 * cycles Resume Time T resume 5 ms Measured from the time ST pin crosses 50% threshold Spread Enable Time T sde 4 s Measured from the time SD pin crosses 50% threshold Spread Disable Time T sdde 50 s Measured from the time SD pin crosses 50% threshold Jitter Cycle-to-cycle jitter T ccj 10.5 15 ps f = 40 MHz, Vdd = 2.5 to 3.3V, Spread = ON( or OFF) 8.5 12 ps f = 40 MHz, Vdd = 3.3V, Spread = ON( or OFF) 12.5 22 ps f = 40 MHz, Vdd = 1.8V, Spread = ON( or OFF) 1,2 Table 2. Spread Spectrum % Table 3. Spread Profile Spread Profile Ordering Center Spread Down Spread Code (%) (%) Triangular A 0.125 -0.25 Hershey-kiss B 0.250 -0.50 C 0.390 -0.78 D 0.515 -1.04 E 0.640 -1.29 F 0.765 -1.55 G 0.905 -1.84 H 1.030 -2.10 I 1.155 -2.36 J 1.280 -2.62 K 1.420 -2.91 L 1.545 -3.18 M 1.670 -3.45 N 1.795 -3.71 O 1.935 -4.01 P 2.060 -4.28 Notes: 1. In both center spread and down spread modes, modulation rate is employed with a frequency of ~31.25 kHz. 2. Contact SiTime for wider spread options Rev 1.01 Page 2 of 10 www.sitime.com