MO1568

Pb-Free RoHS Compliant
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Features

  • 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

Applications

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

Standard Specification

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.

Dimentions, etc. (Click for full size)

Reference

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