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CMC15915BU1-32.768 Datasheet(PDF) 1 Page - Raltron Electronics Corporation |
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CMC15915BU1-32.768 Datasheet(HTML) 1 Page - Raltron Electronics Corporation |
1 / 5 page Ultra Low Power 32.768KHz MEMS TCXO Page 1 of 5 CMC159-SERIES R A L T R O N E L E C T R O N I C S 1 0 4 0 0 N .W . 3 3 rd S t M i a m i , F l o r i d a 3 3 1 7 2 U . S . A . phone: +1-305-593-6033 fax: +1-305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com ■ Ultra Low power: < 1A ■ Fixed 32.768 kHz ■ No Supply Voltage external bypass capacitors required ■ Frequency Stability over Temperature as low as ±5ppm ■ Small SMD package 1.5 x 0.8 mm PARAMETER SYMBOL CONDITION VALUE UNIT Min. Typ. Max. Frequency nominal f0 32.768 kHz Supply Voltage Vs Ta = -40°C to +85°C 1.5 3.63 V Core Supply Current Is Vs = 1.8V, no load condition, LVCMOS, Ta = 25°C Vs = 3.63V max, Ta = -10°C to +70°C no load condition Vs = 1.5V to 3.63V, Ta = -40°C to +85°C, no load condition Is does not include output stage current or load. 0.99 1.52 A A Operating Temperature Ta Commercial Industrial 0 -40 +70 +85 C °C Frequency Stability vs. Temperature ( without initial offset ) Δf/T a Initial offset is defined as the frequency deviation from the nominal value at room temperature after reflow -5 -10 -20 +5 +10 +20 ppm ppm ppm Frequency Stability vs. Temperature ( with initial offset ) Δf/T a Initial offset is defined as the frequency deviation from the nominal value at room temperature after reflow -10 -13 -22 +10 +13 +22 ppm ppm ppm Frequency stability vs. Supply Voltage Δf/Vs Vs= 1.8V±10% Vs= 1.5V ~ 3.63V -0.75 -1.5 +0.75 +1.5 ppm ppm Power supply Ramp Ta = -40°C to +85°C, 0 to 90% Vs 100 ms Start-up Time T START Ta = - 40°C ≤ Ta ≤ +60°C, valid output Ta = +6 0°C ≤ Ta ≤ +70°C, valid output Ta = +70°C ≤ Ta ≤ +85°C, valid output 180 300 350 380 ms ms ms Long Term Frequency Stability Δf/T Ta=25°C, Vs=3.3V -1.0 +1.0 ppm Period Jitter RMS Cycles = 10,000,Ta=25°C, Vs= 1.5V ~ 3.63V 35 ns Long Term Jitter 81920 cycles ( 2.5 sec ), 100 samples 2.5 s p-p ELECTRICAL SPECIFICATIONS |
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