MO1568

Pb-Free RoHS Compliant
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优点

  • 32.768 kHz ±5 x 10-6 all-inclusive frequency stability
  • Smallest TCXO Footprint: 1.2mm2
    ・1.5 x 0.8 mm CSP / ・No external bypass cap required
  • Ultra-low power: +4.5 μA
  • In-system auto-calibration enables overmold
  • In-system auto-calibration:
    ・Compensates for board-level stress-induced frequency errors
    ・Improves all-inclusive frequency stability

用途

  • Smart watches, Health and wellness monitors
  • Smart utility meters
  • Internet of Things (IoT)

一般规格

Conditions: Min/Max limits are over temperature, Vdd = +1.8V±10%, unless otherwise stated. Typicals are at +25°C and Vdd = +1.8V.

Item symbol Min. Typ. Max. Unit Condition
Output Frequency Fout 32.768 kHz  
Operating Supply Voltage Vdd +1.62 +1.8 +1.98 V  
Operating Temperature T_use -20~+70 / -40~+85 ℃  
Total Frequency Stability after
Overmold[1]		 F_stab -5.0 - +5.0 ×10-6 All inclusive, after overmold, post in-system calibration.
-25 - +25 All inclusive, after overmold, before in-system calibration.
Total Frequency Stability without
Overmold or Calibration[1]		 -5.0 - +5.0 All inclusive, under influence of up to 5°C/sec temp gradient and board-level
underfill.
Allan Deviation AD - 1e-8 4e-8 - 1 second averaging time
First Year Frequency Aging F_aging - ±1.0 - ×10-6 TA = +25°C, Vdd = +1.8V, with overmold.
Supply Current Idd - +4.5 +5.3 μA No load
Start-up Time at Power-up T_start - - 300 ms Measured when supply reaches 90% of final Vdd to the first output pulse.
Output Clock Duty Cycle DC 45 - 55 %  
Output Voltage Low VOL - - Vdd x 0.1 V IOL = +1.0 μA
Output Voltage High VOH Vdd x 0.9 - - IOH = -1.0 μA
Output Rise/Fall Time Tr,Tf - 9.0 20 ns 10 ~ 90% (Vdd), 15 pF Load
Integrated Phase Jitter IPJ - 1.8 2.5 nsRMS Integration bandwidth = 100 Hz to 16.384 kHz. Inclusive of +50mV peak-topeaks
inusoidal noise on Vdd. Noise frequency 100 Hz to 20 MHz.
RMS Period Jitter PJRMS - 2.5 4 nsRMS 10,000 samples, per JEDEC standard 65B
Peak-to-Peak Period Jitter PJp-p - 20 35 nsp-p
Dynamic Temperature
Frequency Response		 - -0.5 - +0.5 10-6/sec Under temp ramp up to +1.5°C/sec
Packing Unit 1000pcs./reel（φ180）or 3000pcs./reel（φ180）

[1]. Contact Factory for specific overmold conditions.
Relative to 32.768 kHz, includes initial tolerance, over temp stability, Vdd, load variation, hysteresis, board-level underfill, 3x reflow.
Tested with Keysight 53132A frequency counter. Measured with 100 ms gate time for accurate frequency measurement.

Consult our sales representative for other specifications.

外形尺寸等 (点击看大图)

参考

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FAX:+81-79-425-1134