draft ? ? ? ? ? ? ? ? ? ? IT2100L ------- smd temperature compensated crystal oscillators ------- ------- smd tcxo using analogue asic for compensation and two outputs capable of being independently controlled with separate enable/disable pins for efficient power management and clock distribution. ------- product description ------- the i(v)t2100l series employs an analogue asic for the oscillator and a high order temperature compensation circuit in a 2.0 x 1.6 mm size package. each of two outputs can be placed in power down mode through a dedicated input pin per output. during standard operation, power consumption is minimized by operating down to a supply voltage of 1.8v. the i(v)t2100ls high stability, low power consumption, small footprint and powerful compensation method makes it a tcxo ideally suited for demanding gps mobile applications. ------- applications gps smartphone communications consumer ------- features dual frequency output independent enable/disable pin per output excellent phase noise performance low start up drift rate height less than 0.8mm operates at 1.8v supply ------- specifications ----- 1.0 specification references line parameter description 1.1 model description IT2100L / ivt2100l (draft) 1.2 rohs compliant yes 1.3 reference number 1.4 rakon part number ----- 2.0 frequency characteristics line parameter test condition value unit 2.1 frequency 13 to 52 mhz 2.2 frequency calibration + reflow offset from nominal frequency measured at 25?c 2?c. two consecutive reflows as per attached profile after 2 hours relaxation at 25c 2 max ppm 2.3 frequency stability over temperature referenced to the midpoint between minimum and maximum frequency value over the specified temperature range. control voltage set to midpont of control voltage (note 1) 0.5 to 2 ppm 2.4 temperature range the operating temperature range over which the frequency stability is measured -30 to 85 c 2.5 frequency slope minimum of 1 frequency reading every 2?c over the operating temperature range (note 1) 0.2 to 1 ppm/c 2.6 static temperature hysteresis frequency change after reciprocal temperature ramped over the operating range. frequency measured before and after at 25c 0.6 max ppm 2.7 sensitivity to supply voltage variations supply voltage varied 5% at 25?c 0.2 max ppm 2.8 sensitivity to load variations 10% load change at 25c (note 2) 0.2 max ppm 2.9 long term stability frequency drift over 1 year at 25c 1 max ppm ----- page 1
draft 3.0 power supply line parameter test condition value unit 3.1 supply voltage nominal supply voltage range 1.8 to 3 v 3.2 current at maximum supply voltage (note 2) 3 max ma ----- 4.0 control voltage option (note 3) line parameter test condition value unit 4.1 control voltage range the nominal control voltage value is midway between the minimum and maximum 0.5 to 2.5 v 4.2 frequency control range frequency shift from minimum to maximum control voltage 10 to 20 ppm 4.3 linearity deviation from straight line curve fit 10 max % 4.4 control voltage input resistance 500 k ----- 5.0 oscillator output 1 line parameter test condition value unit 5.1 output waveform dc coupled clipped sine-wave (note 4) 5.2 output voltage level at minimum supply voltage (note 2) 0.8 min v 5.3 output load resistance nominal load of 10k 9 to 11 k 5.4 output load capacitance nominal load of 10pf 9 to 11 pf ----- 6.0 oscillator output 2 line parameter test condition value unit 6.1 output waveform dc coupled clipped sinewave (note 4) 6.2 output voltage level at minimum supply voltage (note 2) 0.8 min v 6.3 output load resistance nominal load of 10k 9 to 11 k 6.4 output load capacitance nominal load of 10pf 9 to 11 pf ----- 7.0 power down mode (enable/disable 1) & (enable/disable 2) line parameter test condition value unit 7.1 power down rf, minimum gnd 20 max %vcc 7.2 normal operating mode rf, maximum vcc 80 min %vcc 7.3 stand-by current typical value <0.01a for output 1 and 2 disabled 2 max a 7.4 start up time (amplitude) within 90% of specified output level 0.5 max ms 7.5 sart up time (frequency) within 0.5ppm of steady state 2 max ms ----- page 2
draft 8.0 ssb phase noise line parameter test condition value unit 8.1 ssb phase noise power density at 1hz offset typical value for a 26.0mhz oscillator at 25c -62 dbc/hz 8.2 ssb phase noise power density at 10hz offset typical value for a 26.0mhz oscillator at 25c -86 dbc/hz 8.3 ssb phase noise power density at 100hz offset typical value for a 26.0mhz oscillator at 25c -109 dbc/hz 8.4 ssb phase noise power density at 1khz offset typical value for a 26.0mhz oscillator at 25c -132 dbc/hz 8.5 ssb phase noise power density at 10khz offset typical value for a 26.0mhz oscillator at 25c -148 dbc/hz 8.6 ssb phase noise power density at 100khz offset typical value for a 26.0mhz oscillator at 25c -149 dbc/hz ----- 9.0 environmental line parameter description 9.1 shock half sine-wave acceleration of 3000g peak amplitude. duration: 0.3ms, velocity: 12.3ft/s [mil-std-202 m213] (note 5) 9.2 humidity after 48 hours at 85c 2c 85% relative humidity non-condensing (note 5) 9.3 thermal shock exposed at -40?c for 30 minutes then to 85c for 30 minutes repeatedly for a period of 5 days (note 5) 9.4 vibration 10g rms from 30 hz to 1500 hz random in each of the 3 axis for 4 hours; total of 12 hours (note 5) 9.5 storage temperature -40 to 85?c ----- 10.0 marking line parameter description 10.1 type engraved 10.2 line 1 [r], [xxxx]* = frequency in mhz (e.g.: 8l00 = 8mhz, 19l2 = 19.2mhz, 100l = 100mhz), and [xx] = date code 10.3 line 2 [o] = pin 1 and [xxx xxx] = internal code 10.4 * frequency code frequency marking is only represented by the first three significant digits. for example, on an IT2100L tcxo at 16.368mhz, its frequency code marking will be 16l3 ----- 11.0 manufacturing information line parameter description 11.1 washing able to withstand aqueous washing process 11.2 reflow solder reflow process as per profile attached 11.3 packaging description tape and reel. standard packing quantity is 4000 per reel ----- 12.0 specification notes line parameter description 12.1 note 1 parts should be shielded from drafts causing unexpected thermal gradients. temperature changes due to ambient air currents on the oscillator can lead to short term frequency drift 12.2 note 2 specified for load stated in oscillator output section at 25c 12.3 note 3 if selected, control voltage option replaces enable/disable 12.4 note 4 external ac-coupling capacitor required. 1nf or greater recommended 12.5 note 5 frequency shift 1ppm after environmental conditions ------- page 3
draft drawing name: i(v)t2100l model drawing page 4
draft drawing name: i(v)t2100l series test circuit page 5
draft drawing name: 2100 series tape and reel drawing page 6
draft drawing name: pb-free reflow page 7
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