1 Supply Voltage VCC -0.3~+4.6 V 2 Storage Temperature Range T_STG -40~+85 C 6. Recommended Operating Conditions Item Symbol min. typ. max. unit 1 Supply Voltage VCC +3.135 +3.3 +3.465 V 2 Load Impedance (resistance part) LOAD_R 9 10 11 kΩ (parallel capacitance) LOAD_C 9 10 11 pF 3 Control Voltage Range VCONT +0.5 +1.5 +2.5 V 4 Operating Temperature Range T_OPR -40 - +85 C 7. Electrical Characteristics (TA=-40~+85C, LOAD_R//C=10kΩ//10pF, VCC=+3.3V, VCONT=+1.5V, unless otherwise noted) Item Conditions Limits unit Notes min. 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 Frequency Stability 1.Tolerance After 2 times reflow - - ±1.5 ppm 2,3 Ref. to nominal frequency 2.vs Temperature TA=-40~+85C - - ±0.5 ppm Ref. to frequency (TA=+25C) 3.vs Supply Voltage VCC=+3.3V±5% - - ±0.2 ppm 4.vs Load Variation LOAD_R//C=(10kΩ//10pF)±10% - - ±0.2 ppm 5.vs Aging TA=Room ambient - - ±1.0 ppm/year 5 Start Up Time @90% of final Vout level - - 2.0 ms 6 Frequency Control 1.Control Range VCONT=+1.5V±1.0V ±8 - ±15 ppm 4 2.Input Resistance 500 - - kΩ 7 SSB Phase Noise Relative to f0 level offset 1kHz - - -135 dBc/Hz
25MHZ温补晶振 DSA321SDN 0.5PPM温补晶振 VCTCXO