SCOCXOT

SCOCXOT FREQUENCY STABILITY OVER: OPERATING TEMP. RANGE : LONG TERM AGING 1ST YEAR: 10 YEARS: SUPPLY VOLTAGE ± 0.5 V LOAD ±10%: see note 1 < ±0.3 ppm * < ±2.5 ppm * < ±0.1 ppm (on request, < ±0.025 ppm) < ±0.01 ppm Ultra Tight Stability up to 20 MHz Oven Controlled Crystal Oscillator 12 V Power Supply NOTE 1 TEMP. RANGE * STABILITY * SCOCXOT-AR1, AV5 0 to +60 ° C ±0.025 ppm (0.05 ppm peak to peak) SCOCXOT-BR1, BV5 -20 to +70 ° C ±0.05 ppm (0.1 ppm peak to peak) SCOCXOT-CR1, CV5 -40 to +85 ° C ±0.1 ppm (0.2 ppm peak to peak) TEMP. RANGE * STABILITY * POWER SUPPLY SUPPLY INPUT: INPUT CURRENT : INPUT CURRENT : Vcc = 12 V ±0.5 V * < 25 mA @ +30 ° * C < 40 mA @ -20 ° * C TEMP. RANGE * STABILITY * NOTE 2 SCOCXOT-AR1, BR1, CR1 ADJUSTMENT WITH RESISTOR (connected to ground) INPUT IMPEDANCE ADJUSTMENT WITH VOLTAGE INPUT IMPEDANCE 0 to 10 kΩ > -4.7 kΩ SCOCXOT-AV5, BV5, CV5 0.5 to 5 V > 47 kΩ FREQUENCY CONTROL RANGE CONTROL VOLTAGE: FREQUENCY DEVIATION: RESPONSE SLOPE: see note 2 > ±2.5 ppm * positive OUTPUT OUTPUT SIGNAL: SYMMETRY: RISE AND FALL TIME: LEVEL „0“ AND „1“: FAN OUT (LOAD): HC-MOS compatible 40 (min.) /60 (max.) % @ Vcc / 2 * tr < 7ns tf < 7 ns * < 0.4 V > 5V –0.5 V 10 LS ENVIRONMENT OPERABLE TEMP. RANGE: STORAGE TEMP. RANGE: VIBRATION: SHOCK PACKAGE: PACKAGE HEIGHT: -40 to +85 ° C -65 to +125 ° C 10 to 2000 Hz / 10 g 2000 g, 0.3 ms, ½ sine DIL 14, 4 pins, GND to case 8 mm (see packaging info) M ARKING EXAMPLE SCOCXOT-BV5 20.000 MHz Type Frequency (PIN 1) Spec No. Date Code Piece No. 01.25 12 ORDERING INFORMATION EXAMPLE S C O CXO Oscillator Type SCOCXO = Low g sensitivity Oven Controlled Crystal Oscillator Oscillator Version T = tight tolerance Temperature Range A = 0 to +60° +/-0.05ppm C; B = -20 to +70° +/-0.1ppm C: C = -40 to +85° +/-0.2ppm C; X = custom spec. WARM-UP ∆F/F: CURRENT: within spec after 60s @ 30° * C < 250 mA during 10s T - BV5 20 MHz xxx N° of customer spec. MISCELLANEOUS SHORT TERM STABILITY: PHASE NOISE (BW = 1Hz): (typical, @ 10MHz in static conditions) * < 1 E-10 0.1 s to 30 s < 5 E-11 @ 1 s 1 Hz: - 60 dBc / Hz 10 Hz: -90 dBc / Hz 100 Hz: -120 dBc / Hz 1 kHz: -130 dBc / Hz Oscillator output frequency Frequency Adjustment R1 = external resistor V5 = voltage 5V Y = custom spec. Customer’s specification on request STANDARD FREQUENCIES (MHz) 10.0000 12.8000 16.0000 16.3840 19.4400 20.0000 Date: September 2005 Revision No. : 3 Revision Date : 10-06 Page 1/2 In accordance with our policy of continuous development and improvement, we reserve the right to modify the design or the specifications of our products without prior notice. Headquarters: Micro Crystal Div. of ETA SA Mühlestrasse 14 CH-2540 Grenchen Switzerland Tel. Fax Internet Email +41 32 655 82 82 +41 32 655 80 90 www.microcrystal.ch sales@microcrystal.ch SCOCXOT Application and Test Circuit: Adjustment with voltage HC-MOS TTL Ultra Tight Stability up to 20 MHz Oven Controlled Crystal Oscillator 12 V Power Supply Adjustment with resistor HC-MOS TTL Vcc Vcc Oscilloscope or Counter R load 2k Oscilloscope or Counter R load 2k A D1 14 8 D2 C load * 15pF A D1 14 8 D2 C load * 15pF Vcc V 1 Cd2 Cd1 Vc 7 D3 Vcc V 1 Cd2 Cd1 Radj (0–10kohms) 7 D3 V D4 low thermal coefficient D4 Waveform Output: W aveshape TTL tf tr Vcc 2.4V min. Vcc - 0.5V min. (Except 12V: 5V-0.5V min.) W aveshape HC-MOS tf tr Vcc 1/2 Vcc 1.4V Gnd + 0.4V max. Gnd 0.4V max. G nd T1 T2 T1 T2 Duty Cycle = 100 × T1 [%] T1 + T 2 Date: September 2005 Revision No. : 3 Revision Date : 10-06 Page 2/2 In accordance with our policy of continuous development and improvement, we reserve the right to modify the design or the specifications of our products without prior notice. Headquarters: Micro Crystal Div. of ETA SA Mühlestrasse 14 CH-2540 Grenchen Switzerland Tel. Fax Internet Email +41 32 655 82 82 +41 32 655 80 90 www.microcrystal.ch sales@microcrystal.ch