? ? ? ? ? ? ? ? ? ? IT2200K ------- 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)t2200k employs an analogue asic for the oscillator and a high order temperature compensation circuit in a 2.5 x 2.0 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)t2200k's 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 pnd consumer communications wi-fi wimax/w-lan ------- features frequency slope and perturbation specifications can be customized to the application requirement excellent phase noise performance standard temperature stability choices are 0.5ppm, 1ppm, 1.5ppm and 2.5ppm over wide temperature ranges ------- specifications ----- 1.0 specification references line parameter description 1.1 model description IT2200K / ivt2200k / IT2200Kp 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 10 to 52 mhz 2.2 frequency calibration offset from nominal frequency measured at 25c2c 1 max ppm 2.3 reflow shift two consecutive reflows as per attached profile after 1 hour recovery at 25c 1 max ppm 2.4 temperature range the operating temperature range over which the frequency stability is measured -40 to 85 c 2.5 frequency stability over temperature referenced to the midpoint between minimum and maximum frequency value over the specified temperature range. control voltage set to midpoint of control voltage (note 1) 0.5 to 2.5 ppm 2.6 frequency slope minimum of 1 frequency reading every 2c over the operating temperature range (note 1) 0.1 to 1 ppm/c 2.7 static temperature hysteresis frequency change after reciprocal temperature ramped over the operating range. frequency measured before and after at 25c 0.6 max ppm 2.8 sensitivity to supply voltage variations supply voltage varied 5% at 25c 0.1 max ppm 2.9 sensitivity to load variations 10% load change at 25c (note 2) 0.2 max ppm 2.10 long term stability frequency drift over 1 year at 25c 1 max ppm ----- page 1
3.0 power supply line parameter test condition value unit 3.1 supply voltage nominal supply voltage range 1.8 to 3.3 v 3.2 current at maximum supply voltage (note 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 +0.2 v or gnd. supply voltage 2.3 v. 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 +0.2 v or gnd. supply voltage >2.3 v. 0.4 to 2.4 v 4.3 frequency tuning frequency shift from minimum to maximum control voltages 10 min ppm 4.4 port input impedance measured between control voltage and gnd pin 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 refer to test circuit. typical load 10 k 9 to 11 k 5.4 output load capacitance refer to test circuit. typical load 10pf 9 to 11 pf 5.5 start up time (amplitude) within 90% of specified output level 0.5 max ms 5.6 start up time (frequency) within 0.5ppm of steady state frequency 2 max ms ----- 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 1 max a 6.4 start up time (amplitude) within 90% of specified output level 0.5 max ms 6.5 start up time (frequency) within 0.5ppm of steady state frequency 2 max ms ----- 7.0 ssb phase noise line parameter test condition value unit 7.1 ssb phase noise power density at 1hz offset typical value for a 38.4 mhz oscillator at 25c -62 dbc/hz 7.2 ssb phase noise power density at 10hz offset typical value for a 38.4 mhz oscillator at 25c -86 dbc/hz 7.3 ssb phase noise power density at 100hz offset typical value for a 38.4 mhz oscillator at 25c -109 dbc/hz 7.4 ssb phase noise power density at 1khz offset typical value for a 38.4 mhz oscillator at 25c -132 dbc/hz 7.5 ssb phase noise power density at 10khz offset typical value for a 38.4 mhz oscillator at 25c -148 dbc/hz ----- page 2
8.0 environmental line parameter description 8.1 shock half sine-wave acceleration of 3000g peak amplitude. duration: 0.3ms, velocity: 12.3ft/s [mil-std-202 m213] (note 4) 8.2 moisture resistance 1000 hours at 85c, 85% relative humidity. biased. [mil-std-202 m106g] (note 4) 8.3 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) 8.4 vibration 10g peak acceleration for 20 minutes. 12 cycles in each of 3 orientations. test from 10- 2000hz [jesd22-b103-b] (note 4) 8.5 storage temperature -40 to 85c ----- 9.0 marking line parameter description 9.1 type engraved 9.2 line 1 [r], [xxxx]* = frequency in mhz (e.g.: 8a00 = 8mhz, 19a2 = 19.2mhz, 100a = 100mhz) 9.3 line 2 [o] = pin 1, [xxx] = internal code, and [xx] = date code 9.4 * frequency code frequency marking is only represented by the first three significant digits. for example, on an IT2200K tcxo at 16.368mhz, its frequency code marking will be 16a3 ----- 10.0 manufacturing information line parameter description 10.1 reflow solder reflow processes as per profile attached. 10.2 packaging description tape and reel. standard packing quantity is 3000 units per reel ----- 11.0 specification notes line parameter description 11.1 note 1 parts should be shielded from drafts causing unexpected thermal gradients. temperatue changes due to ambient air currents on the oscillator can lead to short term frequency drift 11.2 note 2 specified for load stated in oscillator output section at 25c. 11.3 note 3 ac-coupled outputs require an external capacitor, 1nf recommended 11.4 note 4 frequency shift 1ppm after environmental conditions ------- page 3
drawing name: i(v)t2200k model outline page 4
drawing name: i(v)t2200k series test circuit page 5
drawing name: 2520 series tape & reel page 6
drawing name: pb-free reflow page 7
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