preliminary ? ? ? ? ? ? ? ? ? ? IT2100H ------- smd temperature compensated crystal oscillators ------- ------- smd tcxo using analogue asic for compensation and an optional enable/disable pin for efficient power management. ------- product description ------- the i(v)t2100h employs an analogue asic for the oscillator and a high order temperature compensation circuit in a 2.0 x 1.6 mm size package. the device can be placed in power down mode through a single input pin. during standard operation, power consumption is minimized by operating down to a supply voltage of 1.8v. the i(v)t2100h's high stability, low power consumption, small footprint and powerful compensation method makes it a tcxo ideally suited for demanding gps mobile applications. ------- applications communications consumer gps ------- features excellent phase noise performance low start up drift rate height less than 0.8mm operates at 1.8v supply power down mode temperature sensor standard temperature stability of 0.5ppm over wide temperature ranges ------- specifications ----- 1.0 specification references line parameter description 1.1 model description IT2100H / ivt2100h 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 -40 to 85 c 2.5 frequency slope minimum of 1 frequency reading every 2?c over the operating temperature range (note 1) 0.05 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 0.1 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
preliminary 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) 2.2 max ma ----- 4.0 control voltage (vco) line parameter test condition value unit 4.1 control voltage range the nominal control voltage value is midway between the minimum and maximum. voltage control should not exceed the supply voltage +0.2v or gnd. supply voltage 2.3v. 0.3 to 1.5 v 4.2 control voltage range the nominal control voltage value is midway between the minimum and maximum. voltage control should not exceed the supply voltage +0.2v or gnd. supply voltage >2.3v. 0.4 to 2.4 v 4.3 frequency control range frequency shift from minimum to maximum control voltage 6 to 30 ppm 4.4 linearity deviation from straight line curve fit 10 max % 4.5 control voltage input resistance 500 k ----- 5.0 oscillator output line parameter test condition value unit 5.1 output waveform dc coupled clipped sine-wave (note 3) 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 power down mode (enable/disable pin) line parameter test condition value unit 6.1 power down rf disabled. minimum gnd 20 max %vcc 6.2 normal operating mode rf enabled. maximum vcc 80 min %vcc 6.3 stand-by current typical value <0.01a 2 max a 6.4 start up time (amplitude) within 90% of specified output level 0.5 max ms 6.5 sart up time (frequency) within 0.5ppm of steady state 2 max ms ----- 7.0 temperature sensor line parameter test condition value unit 7.1 temperature sensor output voltage at 25c 0.85 to 1.05 v 7.2 temperature sensor slope -8.9 to -8.5 mv/c 7.3 temperature sensor output impedance at 25c 1.5 max k ----- page 2
preliminary 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 4) 9.2 moisture resistance 1000 hours at 85c, 85% relative humidity. biased. [mil-std-202 m106g] (note 4) 9.3 thermal cycling 1000 temperature cycles, where each cycle consists of a 25 minutes soak time at -40c followed by a 25 minute soak time at 85c, with a 60 second maximum transition time between temperatures. air to air transition. [jesd22 method ja-104c] (note 4) 9.4 vibration 10g peak acceleration for 20 minutes. 12 cycles in each of 3 orientations. test from 10- 2000hz [jesd22-b103-b] (note 4) 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.: 8h00 = 8mhz, 19h2 = 19.2mhz, 100h = 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 IT2100H tcxo at 16.368mhz, its frequency code marking will be 16h3 ----- 11.0 manufacturing information line parameter description 11.1 reflow solder reflow processes as per profile attached 11.2 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 external ac-coupling capacitor required. 1nf or greater recommended 12.4 note 4 frequency shift 1ppm after environmental conditions ------- page 3
preliminary drawing name: i(v)t2100h model outline drawing page 4
preliminary drawing name: i(v)t2100h test circuit page 5
preliminary drawing name: 2100 series tape and reel drawing page 6
preliminary drawing name: pb-free reflow page 7
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