Frequencies in MHz
1.8V ~ 3.6V SM VCTCXO for GPS GTXO-253
Tel:+44 1460 256 100 Fax:+44 1460 256 101 E-mail:sales@golledge.com Web:www.golledge.com
29 Mar 2011
ACTUAL SIZE
TOP VIEW
2.50
±0.20
2.00
±0.20
1.00
±0.10
0.80
0.60
1.00
1.20
1.20
1.60
12
43 1
4
2
3
PAD
1
2
3
4
CONNECTION
Ground or
Freq adjustment
Ground
Output
Supply
Features
«Ideally suited for GPS applications
«Supply voltages from 1.8V ~ 3.6V
«Low power consumption
«Miniature SM package
«Excellent frequency stabilit y
Product name + variant + option co des + frequency
Option codes must be included to properly specify a model.
eg: GTXO-253V/JS 13.00MHz±2.5ppm -30+85C ,TCXO with VC
GTXO-253T/HN 14.40MHz±2.0ppm -20+75C ,TCXO no VC
Option code X (eg GTXO-253V/X) denotes a custom spec.
Ordering Information
Scale 4:1
쮿Standard. 왏Optional - Please specify required code(s) when ordering
Option
Codes
TV
Variant
Parameters
Specifications
GTXO-253T: TCXO,no frequenc y adjustment
GTXO-253V: TCXO with VC frequenc y adjustment
웇1:±0.5ppm over -30+85°C is not available in V variant (VC-TCXO)
웇2:The output is not DC-free.A coupling capacitor (10nF) may be
required.
Frequency range: 10.0 ~ 40.0MHz 쮿쮿
Frequency calibration:
±2.0ppm (+25°C ±3°C) 쮿쮿
Frequency stability: ±2.5ppm 쮿쮿 J
±2.0ppm 왏왏 H
±1.5ppm 왏왏 G
±0.5ppm (see note 1) 왏E
Temperature range: 0 to +50°C왏왏 R
-10 to +60°C왏왏 C
-20 to +75°C왏왏 N
-30 to +85°C쮿쮿 S
Storage temperature range:
-40 to +85°C쮿쮿
Frequency vs supply voltage:
±0.2ppm,VDD ±5% 쮿쮿
Frequency vs load change:
±0.2ppm (10k⏲±10%//10pF±10%) 쮿쮿
Frequency slope:
±0.05ppm/°C over -30+85°C 쮿쮿
Ageing: ±1.0ppm max first year 쮿쮿
Supply voltage (VDD): +2.8V 쮿쮿
Other (+1.8V ~ +3.6V) 왏왏specify
Supply current: 1.5~2.0mA max 쮿쮿
Output waveform:
Clipped sine,0.8V p-p 쮿쮿
(see note 2)
Test load: 10k⏲// 10pF 쮿쮿
Start up time: 3ms max 쮿쮿
Frequency adjustment: None 쮿
±8 ~±14ppm,+1.4V ±1.0V 쮿
Harmonics: -5dBc max 쮿쮿
Phase noise: -130dBc/Hz @1kHz 쮿쮿
Standard Frequencies
Other frequencies available. Please consult our sales office.
13.00000
16.00000
16.36767
16.36800
16.36900
19.20000
23.10400
26.00000
30.00000
38.40000
40.00000
Product Information GTXO-253
Tel:+44 1460 256 100 Fax:+44 1460 256 101 E-mail:sales@golledge.com Web:www.golledge.com
29 Mar 2011
Composition
Construction
«Ceramic body with gold-plated pads
«Metal lid,seam sealed
Tape & Reel Specification
Soldering Profile
200
100
0
°C
Time
5°C/s max
5°C/s max
90s max40s max
260°C ±5°C
10s max
Preheat
140~160°C
260
Heat
> 200°C
Slow
cooldown
200s max
Production quantities supplied on T &R,1k or 3k pcs per reel.
Small quantities may be supplied on tape (no reel),or in bulk.
Packaging & Handling
Solder resistance:260°C x 10 secs x 2.
Pb
LeadFree
This product is lead-free,and is fully compliant with
the RoHS directive 2002/95/EC
2002/95/EC
RoHS
•Pin 1
Marking t ype: Laser
DC= Date code
Marking
2.0 1.75
1.5Ø
8.0
±0.2
3.5
±0.05
9.0
13Ø
180Ø
+0/-3
60Ø
±1.0
2.50 21Ø
120°
MARK
2.0
FEED
±1.0
0.25
±0.05
5°
1.1Ø
1.5
±0.3
1.15
±0.05
2.7
±0.05
2.25
±0.05
Not to scale.Dimensions in mm.Tolerances ±0.1mm unless other wise stated
FREQUENCY
DC
•
웇Static sensitive product.Observe proper handling precautions