2.5V ~ 3.3V SMTCXO CMOS GTXO-C75
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
25 Jan 2011
7.20
(max)
5.20
(max)
1.40
12
34
PAD
1
2
3
4
CONNECTION
Enable/Disable
Ground
Output
Supply
2.00
2.20
2.00
1.80 3.28 1.80
TOP VIEW
3
2
2.60
1.40
±0.10
5.08
4
1
Features
Supply voltages from 2.5V ~3.3V
Low power consumption
Enable / disable tristate function
Low phase noise and jitter
Excellent frequency stability
Product name + variant + option codes + frequency
Option codes must be included to properly specify a model.
eg: GTXO-C75L/JS 24.00MHz
3.3V supply, ±2.5ppm -30+75°C
GTXO-C75K/KN 40.0MHz
2.8V supply, ±3.0ppm -20+70°C
Option code X (eg GTXO-C75L/X) denotes a custom spec.
Ordering Information
Standard.
Optional - Please specify required code(s) when ordering
Option
Codes
J K L
Variant
Parameters
Specifications
GTXO-C75J: 2.5V supply
GTXO-C75K: 2.8V supply
GTXO-C75L: 3.3V supply
Open
‘1’ level
‘0’ level
Enabled
Enabled
High Impedance
Enable / Disable Function
Input (pad 1) Output (pad 3)
Frequency range: 4.0 ~ 54.0MHz  
Calibration tolerance:
±0.5ppm @ +25°C ±2°C  
Temperature stability: ±3.0ppm K
±2.5ppm   J
Temperature range: 0 to +50°C R
-10 to +60°C C
-20 to +70°C N
-30 to +75°C   S
-40 to +85°C I
Storage temperature range:
-40 to +125°C  
Ageing: ±1.0ppm max first year  
Supply voltage (VDD): +2.5V (±5%)
+2.8V (±5%)
+3.3V (±5%)
Supply current (mA): 4.0 ~ 10.0MHz 3.1 3.4 4.0
>10.0 ~ 20.0MHz 3.7 4.1 4.8
>20.0 ~ 30.0MHz 4.2 4.7 5.5
>30.0 ~ 40.0MHz 4.6 5.2 6.0
>40.0 ~ 54.0MHz 5.5 6.0 7.0
Frequency vs supply voltage:
±0.2ppm, VDD ±5%  
Driving ability: 15pF CMOS  
Logic levels: ‘0’ level = 10%VDD max  
‘1’ level = 90%VDD min  
Waveform symmetry:
45:55 @50%VDD  
Rise / fall time: 5ns
max  
Frequency vs load:
±0.2ppm, ZL ±10%  
Enable / disable function:
Tristate (control via pad 1)  
Standby current: 10μA max  
Phase noise (typ):
-145dBc/Hz @10kHz  
Period jitter RMS: 3ps
typ  
Product Information GTXO-C75
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
09 Feb 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 max 40s 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 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
A B C D E F G H J K L M
Y 1 2 3 4 5 6 7 8 9 0
M Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Marking type:Laser
DC= Date code in YM, eg “AB” = Feb 2011
Marking
4.0 1.751.50Ø
16.0
±0.3
8.0
5.8
6.75
±0.05
2.0
17.5
13Ø
200Ø 80Ø
2.5
1.50 21Ø
120°
MARK
2.0
FEED
+2.0
-1.5
7.7
0.3
±0.05
Not to scale. Dimensions in mm. Tolerances ±0.1mm unless otherwise stated.
S DC
FREQUENCY
Static sensitive product. Observe proper handling precautions.