BT3225 XTALTQ | Alldatasheet
Document overview
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Technical content
BT3225_RTC Temperature Compensated Crystal Oscillator Features Applications
- CMOS32.768KHz with a max. Stability of ±5ppm ● RTCs
- Temp. Compensation Technique build-in ● Smart Metering/Data Loggers
- Ultra Low Power Consumption ● Timing Synchronization
- Small SMD Package (3.2×2.5mm) ● GPS Receivers/Telematics
- Portable Instruments BT3225_RTC Specifications Parameter Value Unit ConditionsMin. Typ. Max. Supply Voltage 1.8/2.5/3.0/3.3/5 V Supply Current - - 3.7 uA Frequency 32.768 KHz Initial Frequency Tolerance – – ±1.5 ppm +25℃ ± 3℃ Freq. Stability Vs. Temp. – – ±5 ppm -40℃～+85℃ Reflow – – ±1 ppm 1 reflow and measured 24 hours afterwards Timing error over time CMOS VOH VDD-0.4 – – V LVCMOS Output, Load=15pf VOL – – 0.4 V LVCMOS Output, Load=15pf Duty Cycle 40 – 60 % Measured at 50% of VDD Over - 40°C to +85°C. Rise/Fall Edge – – 100 ns Measured at 20% ←→ 80% of the waveform , 15 pF load. Load – – 15 pf Pad 1 OE Thresholds Vih = 0.8 * VDD , Vil = 0.2 * VDD ; Open connection prohibit Supply Sensitivity – – ±0.2 ppm Vcc±5% Load Sensitivity – – ±0.2 Load±10% Aging/ First Year – – ±3 first year at +25° C All Range of VDD (△f / V) – – 0.25 V △V / △t = 1 V / us Supply Voltage Variation (△VDD) – – ±1 ppm / V VDD = 1.7 V to 5.5 V Start - up Time 1 sec. (max.) at +25°C ; 3 sec. (max.) over -40°C to +85°C Outline Dimension & Pin Connections 1/2 Release Date: Aug.30. 2016
BT3225_RTC Temperature Compensated Crystal Oscillator Environmental Conditions Operating Temperature Range -40℃～+85℃ Storage Temperature Range -50℃ ~ +105℃ Reliability Parameter Condition Temperature Stress Test IEC60068, GJB360B Mechanical Stress Test IEC60068, GJB360B EMC Test (ESD) IEC61000, JESD22 Solderability EIA/JESD22-B102-C Contact Pads Gold over Nickel RoHS RoHS Directive 2011/65/EU Annex II Recasting 2002/95/EC Ordering Guide Example: BT3225AH3C506NN32.768K 2/2 Release Date: Aug.30. 2016