DSA321SDA-25MHz

1. Device Name VC-TCXO 2. Model Name DSA321SDA 3. Nominal Frequency 25.000 MHz 0.03g max. 4. Mass 5. Absolute Maximum Ratings Item Rating Unit Symbol1 Supply Voltage -0.3 ~ +6.0 V VCC 2 Storage Temperature Range °C TSTG -40 ~ +85 6. Recommended Operating Conditions Item Symbolmin. typ. max. Unit 1 Supply Voltage VCC +3.00 +3.3 +3.60 V 2 Load Impedance (resistance part) 9 10 11 kΩ ZLR (parallel capacitance)9 10 11 pF ZLC 3 Control Voltage Range VCONT +0.5 +1.5 +2.5 V 4 Operable Temperature Range TA -40 - +85 °C 7. Electrical Characteristics (TA =-40 ~ +85 °C, Load=10kΩ//10pF, VCC=+3.3V, VCONT=+1.5V unless otherwise noted) Limits Item Conditions Unit Notesmin.Typ max. 1 Current Consumption - - 1.5 mA 2 Output Level 0.8 - - VP-P 1 3 Symmetry GND level(DC cut) 40/60- 60/40 % 4 Harmonics - - -8 dBc 5 Frequency Stability 1.Tolerance After 2 times reflow - - ±1.5 ppm 2 Ref. to Nominal Frequency 2.vs Temperature TA=-30 ~ +85 °C Ref. to Frequency(TA=+25°C) - - ±0.5 ppm - - ±0.2 ppm - - ±0.2 ppm - - ±1.0 ppm/year - - 2.0 ms ±9 - ±15 ppm 3 500 - - kΩ - - -135 dBc/Hz 3.vs Supply Voltage VCC=+3.3V±0.30V 4.vs Load Variation Load=(10kΩ//10pF)±10% TA=Room ambient @90% of final Vout level 5.vs Aging 6 Start Up 7 Frequency Control 1.Control Range VCONT=+0.5V ~ +2.5V(Ref:+1.5V) 2.Input Resistance 8 Phase Noise Relative to F0 level offset 1kHz Notes 1. Clipped sine wave (DC-coupled) 2. Please leave after reflow in 2-hour or more at room ambient 3. Positive slope (Frequency becomes high in proportion to frequency control voltage.) 4.-40~-30 FREQ.Stability ±1.0ppm TITLE RemarkRev.Page VC-TCXO SPECIFICATION ZC045441/2

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8. Outline, Pin Connections Pin Connections Pin No. Connection #1 Vcont #2 GND #3 OUTPUT #4 Vcc (1) (2)D (3)#1 Index Marking (1) Frequency 20.00(MHz, 4digits) (2) Model code \"S\" (3) EIA Date code Year(1digit)+Week(2digits) e.g. 2008/1/1 Unit:[mm] Dimensional Tolerance: ±0.15 (Unless otherwise noted) 801 9. Measurement Circuit 1000pFmA + Power Supply #4#3OutputT.P.10000pF V VccVC-TCXOVcont#1 GND#2- Load_R Load_CVcont Load_R=10kΩ Load_C=10pF (Include Jig stray capacitance) TITLE RemarkRev.Page VC-TCXO SPECIFICATION ZC04544 2/2

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