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Surface Mount Oven Stabilized Oscillator
DOCSC Series
OCXO or VCOCXO
2111 Comprehensive Drive Auro2r1a1,1IlClionmoipsre6h0e5n05sive Drive PhoneA: 6u3ro0r-a8,5I1ll-i4n7o2is2 60505 Fax: 6P3h0o-n8e5:16- 5300-48051- 4722 www.cFoanxw: 6i3n0.-c8o5m1- 5040 www.conwin.com
Description:
Connor-Winfield’s high stability DOCSC Series is an exceptionally precise frequency standard, excellent for use in cellular base stations, test equipment, Synchronous Ethernet and VSAT applications. Based on an SC-cut crystal, the DOCSC Series offers low aging and tight stability in a 9x14mm surface mount package.
Features:
• OCXO or VCOCXO • 3.3 Vdc Operation • SMT Package • Frequency Stability ±20 ppb • Temperature Ranges: 0 to 70°C, -20 to 75°C or -40 to 85°C • Low Phase Noise • LVCMOS Output • RoHS Compliant / Lead Free
0.555 (14.1mm)
1525 DOCSC022F
24.576MHz
Package Outline
0.358 (9.1mm)
0.330 (8.38mm)
0.275 (6.99mm)
Top View
Side View
0.025 (0.64mm)
1
Suggested Pad Layout
0.060 (1.52mm) DNC
0.085 (2.16mm)
0.060 (1.52mm)
0.040 (1.02mm)
DNC
0.100 (2.54mm)
0.100 (2.54mm)
0.260 (6.60mm) 0.040
(1.02mm)
DNC = Do Not Connect
0.375 (9.52mm)
43
5
Top View
2
61
Bottom View
Dimensional Tolerance: +/-0.005 (0.127mm)
0.085 (2.16mm)
Keep Out Area
Marking Diagram
Pad Connections
1: N/C or Voltage Control 2: Do Not Connect* 3: Ground 4: Output 5: Do Not Connect* 6: Supply Voltage (Vcc)
*DO NOT connect "DNC" pads to ground or supply rails.
Bulletin Page Revision Date
Cx264 1 of 4
06 24 April 2019
DOCSC
Oscillator Type 3.3 Vdc
LVCMOS Output Surface Mount
OCXO
02
Frequency Stability
02 = ±20.0 ppb
Ordering Information
0F
Temperature Range
0 = 0 to 70°C 1 = -20 to 75°C 2 = -40 to 85°C
Voltage Control Option
F = OCXO (Fixed Freq.) V = VCOCXO (Voltage Controlled)
-024.576M
Output Frequency Frequency Format -xxx.xM Min * -xxx.xxxxxxM Max *
* Number of allowable digits after the decimal point. M = MHz
Attention: System Designers please review Application Note AN2093: System Design Information and Printed Circuit Board Layout Guidelines for OCXO Oscillators.
@ www.conwin.com/technologies.html
2111 Comprehensive Drive Aurora, Illinois 60505 Phone: 630- 851- 4722 Fax: 630- 851- 5040 www.conwin.com
Parameter Storage Temperature Supply Voltage - 3.3 Vdc (Vcc) Control Voltage (Vc)
Absolute Maximum Ratings
Minimum -55 -0.5 -0.5
Nominal - - -
Operating Specifications
Parameter
Minimum
Nominal
Center Frequency (Fo) Frequency Stability vs. Change in Temperature Option 02
10 -20
- -
Operating Temperature Range Option 0 Option 1
0 - -20 -
Option 2 Frequency Calibration Frequency Stability vs Load
-40 -1.0 -20
- - -
Frequency Stability vs Voltage Aging: Daily Aging: First Year
-20 -5.0 -0.3
- - -
Total Frequency Tolerance (20 Years) Supply Voltage (Vcc) Power Consumption Vcc = Nominal Voltage
-3.0 3.13
- 3.30
Commercial Temperature Range: 0 to 70 °C Turn On Steady State @ 25°C
- -
- -
Industrial Temperature Range: -40 to 85 °C Turn On Steady State @ 25°C
- -
- -
Phase Jitter: (BW: 12 KHz to 5MHz @ Fo=40.0MHz) Allan Deviation (Tau=1s) Start-Up Time
- - -
0.25 3.0E-11
-
Warm Up Time (Within Specification @ 25°C) Warm Up Time (Within Specification @ -40°C)
- -
- -
Maximum 125 4.5
Vcc+0.5
Maximum 40 20 70 75 85 1.0 20 20 5.0 0.3 3.0 3.47
2.5 1.1 3.0 1.3 0.35
10 60 90
Parameter Load Output Voltage Output Voltage: High (Voh) Low (Vol) Output Current: High (Ioh) Low (Iol) Duty Cycle at 50% of Vcc Rise / Fall Time: 10% to 90% Parameter @ 1 Hz offset @ 10 Hz offset @ 100 Hz offset @ 1 KHz offset @ 10 KHz offset @ 100 KHz offset @ 1MHz offset
CMOS Output Characteristics
Minimum -
Nominal 15
Maximum -
2.7 -
-
- - 0.3
-4 -
-
- - 4
45 50 55
- - 6.5
Typical Phase Noise Characteristics
Fo=10 MHz -72 -100 -128 -145 -151 -154 -155
Fo=24.576MHz -70 -96 -125 -145 -151 -154 -155
Fo=40.0MHz -67 -90 -116 -139 -147 -153 -153
Attention: System Designers please review Application Note AN2093: System Design Information and Printed Circuit Board Layout Guidelines for OCXO Oscillators.
@ www.conwin.com/technologies.html
Specifications subject to change without notification. See Connor-Winfield's website for latest revision. © Copyright 2019 The Connor-Winfield Corporation Not intended for life support applications.
Units °C Vdc Vdc
Notes
Units MHz ppb °C °C °C ppm ppb ppb ppb/day ppm ppm Vdc
Notes 1
2 ±5% ±5%
3 4 5
W W W W ps RMS ms s s
Units pF V V mA mA % ns
Notes 6
Units dBC/Hz dBC/Hz dBC/Hz dBC/Hz dBC/Hz dBC/Hz dBC/Hz
Notes
Bulletin Page Revision Date
Cx264 2 of 4
06 24 April 2019
2111 Comprehensive Drive Aurora, Illinois.