high temperature frequency control solutions
TRANSCRIPT
High TemperatureFrequency Control Solutions Vectron Brand Oscillators and Related Products
Clocks and Timing
www.microchip.com/timing
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Table of Contents
Introduction ....................................................................... 3
Design and Manufacturing ................................................ 4
Test Capabilities .............................................................. 4
Customizations ............................................................... 4
Product Milestones ........................................................... 5
High Temperature Quartz Crystals ................................... 5
High Temperature XOs ...................................................... 6
High Temperature VCXOs ................................................. 7
High Temperature Real Time Clock Modules ................... 7
High Temperature Frequency Control Solutions 3
Introduction
High Temperature Frequency Control SolutionsHigh Temperature electronics is a rapidly evolving technology with applications in engine control, energy exploration and industrial process control. In addition to the challenges related to the design and construction of silicon-based microelectronics above 150°C, quartz crystal oscillators introduce a unique set of design complexities. Traditional quartz oscillators exhibit significant frequency vs. temperature dependence above 125°C, and stresses due to CTE mismatches create additional frequency perturbations. In addition to elevated temperatures, many of these application subject the oscillator to extreme shock and vibration. Microchip’s staff of design and process engineers have developed proprietary solutions to address these challenges, starting at the processing of the raw quartz, through the electronic design, to the packaging and intercon-nect technologies required for the entire assembly.
Our StrengthsVectron brand high temperature products are manufactured in our AS9100 facility in Mount Holly Spring, Pennsylvania. The state-of-the-art hybrid manufacturing facility features oscillator and crystal manufacturing, two class 100,000 clean rooms, and an environmental laboratory.
Mechanical and electrical engineers with years of experience in high temperature electronic design collaborate with recent college graduates who infuse the latest technologies. Our oscillators, which are qualified to operate as high as 250°C, provide our customers with extended reliability without the need for expensive heat sinking solutions in light-weight, small form factor footprints.
Other Microchip facilities design and manufacture product that supplement our product offerings, including atomic clocks and SAW filters.
Export compliance officers at Microchip ensure full regulatory compliance on all products, whether, ITAR, CCL or EAR99.
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Design
Design and Manufacturing TechnologiesThe design and manufacture of high temperature oscillators requires the use of specialized technologies from multiple technologi-cal disciplines. The list below summarizes these key technologies and capabilities:
Key Design and Manufacturing Technologies
High Temperature Electronic Packaging to 250°C
RF Electrical Design
Multilayer Thick Film Substrate Fabrication on Al2O3, BeO and AlN
Hybrid Microcircuit Assembly
Hermetically Sealed Ceramic and Metal Packages
Quartz BAW Ressonator Design and Fabrication
Environmental Screening
Al and Au Wirebonding
Thermal and Mechanical Finite Element Analysis
Test CapabilitiesThe Vectron test and environmental laboratories enable us to offer our customers a broad range of device screening and qualifica-tion options. The primary test methods we use are defined in MIL-STD-202 and MIL-STD-883. For tests we are unable to conduct in-house, we subcontract to AS9100 certified test facilities. The below is a partial list of our capabilities.
Test Capabilties
Aging g-Sensitivity Mechanical Shock Barometric Pressure
Humidity RealTime X-Ray Die Shear Testing Frequency Slew Test
Phase Noise Thermal Vacuum Terminal Strength Constant Acceleration
Life Testing Salt Atmosphere Fine Leak - Helium Wirebond Pull Testing
Thermal Shock Allan Deviation Temperature Cycling Band Width Modulation
Sine Vibation Random Vibration Moisture Resistance Solderability/ Steam Age
Magnetic Field Sensitivity Particle Impact Noise Detection (PIND)
Resistance to Soldering Heat X-ray Flourescence (Pure Tin termination Detection)
Full Customization and Build to Print Options For programs with unique requirements that are not addressed by our catalog specifications, Vectron will work closely with the customer to develop a custom device or develop a compliance matrix to your Source Control Drawing (SCD). Vectron can develop unique packages per your drawings and is capable of meeting a broad range of custom requirements.
High Temperature Frequency Control Solutions 5
Vectron
Vectron High Temperature Products Milestones1980s – Began support for oilfield service customers with downhole crystals and oscillators
1998 – Developed first 225°C high temperature electronic module for pressure sensors
2008 – Introduced first SDIL HT VCXO with APR of ±50 ppm from –55°C to +180°C
2008 – Launched first high temperature real time clock module
2010 – Released first 200°C, 7 × 5 mm2 SMD crystal oscillator
2011 – Announced 230°C, 7 × 5 mm2 SMD XO with tight stability of ±200 ppm
2011 – Launched 32.768 kHz real time XOs
2016 – Developed first 7 × 5 mm2 SMD HT VCXO with APR of ±50 ppm from –55°C to +180°C
–55°
C
–50°
C
–40°
C
–30°
C
–20°
C
–10°
C
0°C
10°C
20°C
30°C
40°C
50°C
60°C
70°C
80°C
85°C
90°C
100°
C
110°
C
120°
C
125°
C
130°
C
140°
C
150°
C
160°
C
170°
C
180°
C
190°
C
200°
C
210°
C
220°
C
230°
C
240°
C
250°
C
Commercial Products
Industrial Products
Military Products
Extreme Temperature Products
High Temperature Packaged Quartz CrystalsVectron’s high temperature quartz crystal resonators are designed and manufactured for continuous operation in harsh environ-mental conditions at extreme temperatures from –55°C to +250°C. Several different crystallographic orientations are offered for a wide range of applications. The resonators are available in 5 industry standard packages, with internal modifications designed to withstand extreme environmental conditions.
Part
Fam
ily
Type
Foot
prin
t (m
m)
Mou
nt S
tyle
Freq
uenc
y R
ange
(MH
z)
Tem
pera
ture
St
abili
ty (p
pm)
Tem
pera
ture
R
ange
(o C)
Shoc
k M
agni
tude
(g)
Vibr
atio
n (g
)
Encl
osur
eXR-A High precision crystal 11.1 × 4.2 Through Hole,
Surface Mount 2.2 to 210 200 –55 to +200 100 20 HC49
XR-B Ultra-high precision crystal 11.1 × 14.2 Through Hole, Surface Mount 2.2 to 210 200 –55 to +200 100 20 HC43
XR-P High precision crystal 8 × 8 Surface Mount 4.2 to 30 200 –55 to +200 100 20 SM1/SQ580
XR-R Ultra-high precision crystal Ø9.8 Through Hole 7 to 225 200 –55 to +200 100 20 HC35/TO-5
XR-U Ultra-high precision crystal Ø15.6 Through Hole 2.5 to 140 200 –55 to +200 100 20 HC37/TO-8
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Crystal Oscillators (XOs)
Part Family Type Footprint (mm) Mount Style Frequency Range (MHz)
Temperature Stability (ppm)
Temperature Range (oC)
Power @25°C (Watts)
Supply Voltage (V)
HT-RTC-XO Real time clock XO
multiple options, see specification
Through Hole, Surface Mount 0.032768 100 –55 to +200 0.0000126 1.8, 2.5,
3.3, 5
PX-420 High temp XO 13 × 13 Through Hole 0.5 to 40 200 –55 to +230 0.0165 3.3, 5
PX-570 High temp XO 8.5 × 8 Through Hole, Surface Mount 0.5 to 40 200 –55 to +230 0.0165 1.8, 2.5,
3.3, 5
PX-702 Mil temp range XO 5 × 3.2 Surface Mount 0.625 to 220 50 –55 to +125 0.0045 1.8, 2.5, 3.3
Vectron Custom Design PX-420 XO With Tight Stability
Temperature (◦C)
Freq
uenc
y (p
pm)
–55–150
–100
–50
0
50
100
150
–30 –5 20 45 70 95 120 145 170 220195
Temperature StabilityTuning Fork vs. Vectron Tight Stability Oscillator
Temperature (◦C)
Freq
uenc
y (p
pm)
–1200
–1000
–800
0
–600
–400
–200
–55–40–25 –10 5 20 35 50 65 80 95 110 125140 155170 185
Crystal Oscillators (XOs)Vectron High Temperature XOs provide stable frequency references up to to +250°C, and provide the following features: • Footprints as small as 7 × 5 mm2
• 32.768 kHz Real Time Clock XOs• Currents as low as 7 μA (@32.768 kHz)• 3000g mechanical shock rating
• Custom frequencies to 100 MHz• Supply voltages as low as 1.8V• 4-point mount crystals• 70g rms vibration
High Temperature Frequency Control Solutions 7
Crystal Oscillators
Voltage Controlled Crystal Oscillators (VCXOs)Microchip offers high temperature frequency tunable oscillators in two separate footprints with absolute pull ranges of ±20 to ±50 ppm, allowing the customer to tune the device back to nominal frequency over the full range of temperature and operating life.
Part Family Type Footprint
(mm) Mount Style Frequency Range (MHz)
Temperature Range (oC)
Pull Range (ppm) Output Logic Supply Voltage
(V)
VX-400 High temp VCXO 20 × 13 Through Hole 1 to 32.768 –55 to +200 50 CMOS 3.3, 5
VX-708 High temp VCXO 7 × 5 Surface Mount 2 to 40 –55 to +180 25 CMOS 3.3
VX-7080-EAZ-FXXX-32M76800
–20–400–300–200–100
0100200300400
5 30 55 80 105 130 155 180Temperature (◦C)
Freq
uenc
y (p
pm)
Pull Low (ppm)
Pull High (ppm)
Nominal Frequency (ppm)
High Temperature Real Time Clock ModuleThe HM-4201-RTCM real time clock module provides timing, calendar and alarm functions that are all set via an I2C BUS. Features include:• 13 × 13 mm2 DIP metal housing• 32.768 kHz Real Time Clock XO• 4-point mount crystal• 3.3V supply voltage• I2C interface• –40°C to +200°C operating temperature• 36 grms vibration• 512 Hz calibration output• Currents as low as 100 μA• 3000 g mechanical shock rating
PrecisionCrystal
Oscillator
PowerControl
I2CSerial BusInterface
Clock &CalendarRegisters
RTCControl
LogicControl
Registers
Alarm
FrequencyOut
Divider
MuxBuffer
OSCEnable/Disable
V��GND
SDA
SCL512 Hz
FT/OUT
1 Hz32.768 KHz
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