Model 357 Voltage Controlled Crystal Oscillator FEATURES Standard 7x5mm Surface Mount Footprint HCMOS/TTL Compatible Output Frequency Range 1.5 77.76 MHz Frequency Stability, 50 ppm Standard (25 ppm and 20 ppm available) +3.3Vdc or +5.0Vdc Operation Operating Temperature to 40C to +85C Output Enable Standard Low Phase Jitter, NON-Multiplied Tape & Reel Packaging RoHS/Green Compliant DESCRIPTION The Model 357 is a ceramic packaged Voltage Controlled oscillator offering reduced size and enhanced stability. The small size means it is perfect for any application. The enhanced stability means it is the perfect choice for todays communications applications that require tight frequency control. ORDERING INFORMATION 357 M SUPPLY VOLTAGE FREQUENCY IN MHz M - indicates MHz and decimal point. L = +3.3 Vdc, Pin 2 Enable (standard) Frequency is recorded with minimum 4 S = +5.0 Vdc, Pin 2 Enable (standard) significant digits to the right of the. V = +3.3 Vdc, Pin 5 Enable W = +5.0 Vdc, Pin 5 Enable ABSOLUTE PULL RANGE (APR) OPERATING TEMPERATURE RANGE B = 50 ppm APR (standard) C = -20C to +70C (standard) C = 80 ppm APR I = -40C to +85C * D = 100 ppm APR FREQUENCY STABILITY 3 = 50 ppm (standard) 5 = 25 ppm 6 = 20 ppm * * Consult factory for 6I availability. Example Part Number: 357LB3C019M4400 Document No. 008-0244-0 Page 1 - 4 Rev. H CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 www.ctscorp.com Model 357 7x5mm Low Cost HCMOS/TTL Compatible VCXO ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT V Maximum Supply Voltage - -0.5 - 7.0 V CC Maximum Control Voltage V --0.5- V V C CC T Storage Temperature - -55 - 125 C STG Frequency Range f - 1.5 - 77.76 MHz O 20, 25 or Frequency Stability f/f --- ppm O (See Note 1 and Ordering Information) 50 50, 80 or Absolute Pull Range APR - - - ppm (See Note 2 and Ordering Information) 100 Operating Temperature T Commercial A - -20 70 C 25 Industrial -40 85 Supply Voltage 10 % V V Model 357S, 357W CC 4.5 5.0 5.5 Model 357L, 357V 2.97 3.3 3.63 Supply Current C = 15 pF L 1.5 MHz to 20 MHz - 5 20 I 20.1 MHz to 40 MHz - 8 30 mA CC 40.1 MHz to 60 MHz - 10 40 60.1 MHz to 80 MHz - 12 45 Output Load C -- 30 pF L Control Voltage V Model 357S, 357W V = 5.0V 0.5 2.5 4.5 V C CC Model 357L, 357V V = 3.3V 0.3 1.65 3.0 CC Frequency Deviation f 25C at Time of Shipment, over V range - 135 - ppm C Linearity < 52 MHz - 5 10 L % Best Straight Line Fit > 52 MHz 8 15 Output Duty Cycle SYM 50% Level 45 - 55 % Output Voltage Levels Logic 1 Level V 90%V V OH CMOS Load CC -- Logic 0 Level V CMOS Load - - 10%V OL CC Output Current Levels mA Logic 1 Level I CMOS Load - - -14 OH Logic 0 Level I CMOS Load - - 14 OL T , T Rise and Fall Time R F 10% - 90% Levels - 3.5 5.0 ns Input Impedance Z -50--kOhms C Transfer Function - - - Positive - - Start Up Time T Application of V -- 10 ms S CC Modulation Roll-off - -3dB 10 - - kHz Phase Jitter tjms Bandwidth 12 kHz - 20 MHz - - 1 ps RMS Enable Function V Enable Input Voltage Pin 2 or Pin 5 Logic 1 , Output Enabled 2.5 - - V IH Disable Input Voltage V Pin 2 or Pin 5 Logic 0 , Output Disabled - - 0.5 IL Enable Time T Pin 2 or Pin 5 Logic 1 - - 100 ns PLZ Notes: 1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and 10 year aging at an average operating temperature of +40 C. 2. Minimum guaranteed frequency shift from f over variations in temperature, aging, power supply and load at an average operating temperature O of +40C for 10 years. SINGLE SIDE BAND PHASE NOISE (typical maximum) Frequency Phase Noise Frequency Phase Noise Offset (dBc/Hz) * Offset (dBc/Hz) * 10 Hz -60 10k Hz -130 100 Hz -90 100k Hz -150 1k Hz -112 100k Hz -150 * Results may vary depending on frequency. Document No. 008-0244-0 Page 2 - 4 Rev. H CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108 Electrical and Waveform Parameters Absolute Maximums