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Product Data Sheet
VC-800
Voltage Controlled Crystal Oscillator
Features
* Worlds Smallest VCXO, 5.0 x 3.2 x 1.5 mm * High Frequencies to 51.84 MHz * 5 or 3.3 V operation * Linearity 10% * Tri-State Output * Low jitter < 6ps rms * VCXO with CMOS outputs * 0/70 or -40/85C temperature range * Hermetically sealed ceramic SMD package
Applications
* SONET/SDH * DWDM * xDSL/PCMCIA cards * Digital Video
Description
Vectron's VC-800 Voltage Controlled Crystal Oscillator (VCXO) is a quartz stabilized square wave generator with a CMOS output and is tested at CMOS and TTL (5 volt operation) logic levels. The VC-800 is the smallest available VCXO making it ideally suitable for PCMCIA applications as well as any other where size is limited but performance is required.
VC-800 Voltage Controlled Crystal Oscillator
Performance Characteristics
Electrical Performance
Parameter Frequency Supply Voltage
1
Symbol fO VDD IDD VOH VOL tR tF SYM VC VC APR
Minimum 1.544 2.97 4.5
Typical
Maximum 51.84
Units MHz V mA V
(+3.3 V) (+5.0 V)
3.3 5.0 12
3.63 5.5 25
Supply Current Output Logic Levels Output Logic High2 Output Logic Low2 Transition Times Rise Time2 Fall Time2 Symmetry or Duty Cycle3 Operating temperature (ordering option) Test Conditions for APR (+5V option) Test Conditions for APR (+3.3V option) Absolute Pull Range (ordering option) Gain Transfer (See Figure 3) Control Voltage Leakage Current Control Voltage Bandwidth (-3dB) Package Size
0.9*VDD 0.1VDD 5 5 40 0.5 0.3 +/-50 +/- 80 Positive 1 10 5.0 x 3.2 x 1.5 50 0/70 or -40/85 4.5 3.0 60
ns ns % C V V ppm
IVCXO BW
uA kHz mm
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended. 2. Figure 1 defines these parameters. Figure 2 illustrates the equivalent five gate TTL load and operating conditions under which these parameters are tested and specified. 3. Symmetry is defined as (ON TIME/PERIOD with Vs = 1.4 V for TTL and Vs=2.5 V for CMOS, 5 volt operation, and Vs=1.65V for 3.3 Volt operation. 4. Load Capacitor will depend on frequency.
.
Figure 1. Output Waveform Conditions (255C)
Figure 2. Typical Output Test
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
2
VC-800 Voltage Controlled Crystal Oscillator
Outline Diagram
6 5 4
Pad Layout
1
2
3
Pin Out
Pin # 1 2 3 4 5 6 Symbol VC Tri-state GND fO CMOS/TTL VDD Function Control Voltage Logic low disables output. Logic high or N/C enables output waveform. Ground Output Frequency Logic low for CMOS optimized symmetry. Logic high or N/C for TTL optimized symmetry. Supply Voltage
Tape and Reel
J F D A E C G B L I
H
K
Tape and Reel Dimensions (mm)
Tape Dimensions Product VC-800 A 12 B 5.5 C 1.5 D 4 E 8 Reel Dimensions F 1.78 G 20.6 H 13 I 55 J 6 K 12.4 L 178 500 # Per Reel
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
3
VC-800 Voltage Controlled Crystal Oscillator
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings for extended periods may adversely affect device reliability.
Parameter
Power Supply Storage Temperature Voltage Control Range
Symbol
VDD Tstorage VC
Ratings
6 -55/125 0 to VDD
Unit
Vdc C V
200.0
150.0
100.0
Frequency Pull (ppm)
50.0
0.0
-50.0
-100.0
-150.0
-200.0 0.30
0.60
0.90
1.20
1.50
1.80
2.10
2.40
2.70
3.00
Control Voltage (volts)
Figure 3. Typical Frequency Pull Versus Control Voltage, 35.328MHz Output, 3.3 Volt Supply
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
4
VC-800 Voltage Controlled Crystal Oscillator
Reliability
The VC-800 is capable of meeting the following qualification tests.
Environmental Compliance
Parameter
Mechanical Shock Mechanical Vibration Solderability Gross and Fine Leak Resistance to Solvents
Conditions
MIL-STD-883 MIL-STD-883 MIL-STD-883 MIL-STD-883 MIL-STD-883 Method Method Method Method Method 2002 2007 2003 1014 2016
Handling Precautions
Although ESD protection circuitry has been designed into the the VC-800, proper precautions should be taken when handling and mounting. VI employs a Human Body Model and a Charged-Device Model (CDM) for ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry wide standard has been adopted for the CDM, a standard HBM of resistance=1.5kohms and capacitance = 100pF is widely used and therefore can be used for comparison purposes.
ESD Ratings
Model
Human Body Model Charged Device Model
Minimum
1500 1000
Conditions
MIL-STD-883 Method 3115 JESD 22-C101
Recommended Solder Reflow Profile
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON
5
VC-800 Voltage Controlled Crystal Oscillator
Standard Frequencies - MHz
4.096 16.384 32.768 8.192 17.664 35.328 12.960 25.920 44.736 13.500 27.000 51.840 16.000 32.000
Other frequencies may be available upon request
Ordering Information
VC-800
Product Family VC=VCXO Package 800: 5.0 x 3.2 x 1.5 mm Input K: 5.0V (10%) L: 3.3V (10%) Output A: CMOS
K
A
C
G
T
J
XX.XXX MHz
Frequency Symmetry J: 50 5% K: 50 10% Tri-state T: Pin #2 Absolute Pull Range G: 50 ppm N: 80 ppm Temperature Range C: 0 to 70C F: -40 to 85C
NOTE: Not all combinations of options are available.
For additional information please contact:
USA: Vectron International * 267 Lowell Road, Hudson, NH 03051 . . . . . . Tel: 1-88-VECTRON-1 * Fax: 1-888-FAX-VECTRON EUROPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: 49 (0) 3328 4784 17 O Fax: 49 (0) 3328 4784 30 ASIA: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tel: +86 21 28909740 / 41 / 42 O Fax: +86 21 28909240 / 2890999OO
www.vectron.com
Vectron International reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
(c)2001, Vectron International.
Rev.22Oct01, 16 Aug 02

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