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VX-705
Voltage Controlled Crystal Oscillator Previous Vectron Model VC-705/C5250
VX-705
Description
Vectron's VX-705 Voltage Controlled Crystal Oscillator (VCXO) is a quartz stabilized square wave generator with a CMOS output. The VX-705 uses fundamental crystals resulting in low jitter performance and a monolithic IC which improves reliability and reduces cost.
Features
* * * * * * * * * CMOS output VCXO Output Frequencies from 77.76 MHz to 160 MHz 3.3 V Operation Fundamental Crystal Design with Low Jitter Performance Output Disable Feature Excellent 20ppm Temperature Stability, 0/70C or -40/85C Operating Temperature Small Industry Standard Package, 5.0x7.0x1.8mm Product is free of lead and compliant to EC RoHS Directive * * * * * *
Applications
SONET/SDH/DWDM Ethernet, SyncyE, GE xDSL, PCMIA Digital Video Broadband Access Base Stations, Picocells
Block Diagram
VDD NC Output
Crystal
Oscillator
VC
E/D
Page1
Gnd
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com
Performance Specifications Performance Specifications
Table 1. Electrical Performance Parameter
Voltage1 Current
2
Symbol
VDD IDD
Min
Supply 3.135 Frequency
Typical
3.3
Maximum
3.465 40
Units
V mA MHz ppm % ppm/V ppm V
Nominal Frequency3 Absolute Pull Range , ordering option Linearity
2 2,6
fN APR Lin KV fSTAB
77.76 50, 80 5 +80 20 Outputs
160.00
Gain Transfer2 Temperature Stability Output Logic Levels2 Output Logic High Output Logic Low Load Rise Time Fall Time
2,4 2,4
VOH VOL IOUT tR tF SYM
0.9*VDD 0.1*VDD 15 5 5 45 50 3.0 23 -57 -87 -118 -146 -154 -154 -154 Control Voltage 55 pF ns ns % ps ps dBc/Hz
Symmetry2 Period Jitter, RMS (155.520 MHz) Period Jitter, pk-pk (155.520MHz) Phase Noise 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz
8 5,7 5,7
J J
Control Voltage Range for Pull Range Control Voltage Input Impedance Control Voltage Modulation BW Output Enable/Disable Output Enabled Output Disabled Start-Up Time Operating Temp, Ordering Option Package Size
1] 2] 3] 4] 5] 6] 7] 8] 9]
9
VC ZIN BW VIH VIL TS TOP
0.3 100 10 0.9*VDD
3.0
V K kHz V
0.1*VDD 10 0/70 or -40/85 5.0 x 7.0 x 1.8 ms C mm
The power supply should have by-pass capacitors as close to the supply and to ground as possible, for examples 0.1 and 0.01uF Parameters are tested with production test circuit below (Fig 1). See Standard Frequencies and Ordering Information tables for more specific information Measured from 20% to 80% of a full output swing (Fig 2). Not tested in production, guaranteed by design, verified at qualification. Tested with Vc = 0.3V to 3.0V unless otherwise stated in part description Broadband Period Jitter measured using Wavecrest SIA3300C, 90K samples. Phase Noise is measured with an Agilent E5052A. The Output is Enabled if the Enable/Disable is left open.
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com Page2
Test Circuit
Waveform
IDD 0.8*VDD 4 + VDD .1F .01F IC VC 1 + 3 2 15pF 50% 0.2#VDD
tR
tF
On Time
Period
Fig 1: Test Circuit
Fig 2: Waveform
Table 2. Absolute Maximum Ratings Parameter
Power Supply Voltage Control Range Storage Temperature Soldering Temp/Time
Symbol
VDD VC TS TLS
Ratings
0 to 6 0 to VCC -55 to 125 260 / 20
Unit
V V C C / sec
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 datasheet. Exposure to absolute maximum ratings for extended periods may adversely affect device reliability. Permanent damage is also possible if OD or Vc is applied before Vcc.
Typical Phase Noise
Typical Gain
Typical Characteristics - Phase Noise and Gain Curve
VX-705 @ 122.88 MHz
150 120
100
100
50 80
Pull (ppm)
0 0 0.5 1 1.5 Vc (volts) 2 2.5 3 60 -50
Gain (ppm/V)
Pull Gain
40 -100
-150
20
-200
0
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com Page3
Reliability
VI qualification includes aging at various extreme temperatures, shock and vibration, temperature cycling, and IR reflow simulation. The VX-705 family is capable of meeting the following qualification tests: Table 3. Environmental Compliance Parameter
Mechanical Shock Mechanical Vibration Solderability Gross and Fine Leak Resistance to Solvents Moisture Sensitivity Level Contact Pads
Conditions
MIL-STD-883, Method 2002 MIL-STD-883, Method 2007 MIL-STD-883, Method 2003 MIL-STD-883, Method 1014 MIL-STD-883, Method 2015 MSL 1 Gold over Nickel
Handling Precautions
Although ESD protection circuitry has been designed into the VX-705 proper precautions should be taken when handling and mounting. VI employs a human body model (HBM) and a charged device model (CDM) for ESD susceptibility testing and design protection evaluation. Table 4. ESD Ratings Model
Human Body Model Charged Device Model
Minimum
500V 500V
Conditions
MIL-STD-883, Method 3015 JESD22-C101
Table 5. Reflow Profile Parameter
PreHeat Time Ts-min Ts-max Ramp Up Time Above 217 C Time To Peak Temperature
Symbol
tS
Value
60 sec Min, 180 sec Max 150C 200C 3 C/sec Max 60 sec Min, 150 sec Max 480 sec Max
RUP tL TAMB-P
The device is qualified to meet the JEDEC standard for Pb-Free assembly. The temperatures and time intervals listed are based on the Pb-Free small body requirements. The VX-705 device is hermetically sealed so an aqueous wash is not an issue. Termination Plating: Electroless Gold Plate over Nickel Plate
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com Page4
Outline Drawing & Pad Layout
6 VX705 5 4 YWW .197.006 [50.15] 3 .082 .061 [2.09] [1.56] .055 [1.40] 1 2 3 .143 [3.63] 6 .050 [1.27] .200.006 [5.080.15] 5 4 .100 [2.54] Inch .079 [2.01] .100 [2.54] .200 [5.08] .165 [4.19] .071 [1.80]
CCC-CCCC XXXMXXX 1 2 .276.006 [70.15]
Dimensions [MM]
Pad Layout in inches (mm)
Table 6. Pin Out Pin
1 2 3 4 5 6
Symbol VC
E/D GND Output N/C
Function
VCXO Control Voltage Enable Disable Case and Electrical Ground Output No Connect Power Supply Voltage
VDD
Tape & Reel (EIA-481-2-A)
Table 7. Tape and Reel Information Tape Dimensions (mm) Dimension Tolerance
VX-705
Reel Dimensions (mm) Po Typ
4
W Typ
12
F Typ
5.5
Do Typ
1.5
P1 Typ
8
A Typ
178
B Min
1.78
C Typ
13
D Min
20.6
N Min
55
W1 Typ
12.4
W2 Max
22.4
# Per Reel
500
Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com Page5
Table 8. Standard Output Frequencies (MHz)
89.60000 156.25000 93.31200 100.00000 122.88000 125.00000 127.79520 148.50000 155.52000
Ordering Information
VX-705- E A T - K A N N- 122M880000
Product VCXO, 5x7 Package Voltage Options E: +3.3 Vdc Output A: CMOS Temp Range T: 0/70C E: -40/85C Frequency in MHz Custom Options N: Standard Option Custom Options N: Standard Option Enable/Disable A: Enable High Absolute Pull Range K: 50ppm P: 80ppm
*Note: not all combination of options are available. Other specifications may be available upon request.
Example: VX-705-EAT-KANN-122M880000
For Additional Information, Please Contact
USA:
Vectron International 267 Lowell Road Hudson, NH 03051 Tel: 1.888.328.7661 Fax: 1.888.329.8328
Europe:
Vectron International Landstrasse, D-74924 Neckarbischofsheim, Germany Tel: +49 (0) 3328.4784.17 Fax: +49 (0) 3328.4784.30
Asia:
Vectron International 1F-2F, No 8 Workshop, No 308 Fenju Road WaiGaoQiao Free Trade Zone Pudong, Shanghai, China 200131 Tel: 86.21.5048.0777 Fax: 86.21.5048.1881
Disclaimer
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.
Rev: 1/10/2009 Vectron International * 267 Lowell Road, Hudson, NH 03051 * Tel: 1-88-VECTRON-1 * http://www.vectron.com Page6

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