3V TCXO HCMOS
Specifications
GTXO-538
GTXO-538T: Internal trimmer
GTXO-538V: Voltage adjustment + internal trimmer
Parameters
Package style:
18.80
(max)
PIN
8.40
3.50Ø
2.50
12.30
(max)
1
7
8
12.45
5.00
(max)
4.00
(min)
14
CONNECTION
Not connected or
Freq adjustment
Variant
T
GTXO-538T
GTXO-538V
V
Option
Codes
Frequency range:
1.20 ~ 45.0MHz
Frequency tolerance:
±1.0ppm max (<30.0MHz)
±2.0ppm max ( 30.0MHz)
Frequency stability:
±5.0ppm
±3.0ppm
±2.5ppm
±2.0ppm
±1.5ppm
±1.0ppm
0 to +50°C
-10 to +60°C
-20 to +70°C
-30 to +75°C
-40 to +85°C
L
K
J
H
G
F
R
C
N
S
I
Ground
Output
Supply
0.50
0.50Ø
1.00
4.00
7
14
15.24
8
Temperature range:
7.62
GTXO-538T
1
14
7
8
Storage temperature range:
-40 to +85°C
GTXO-538V
Scale 1:1
Frequency vs supply voltage:
±0.5ppm (V
DD
±5%)
Ageing:
±1.0ppm max first year
Supply voltage (V
DD
):
+3.0V (±5%)
Supply current:
15mA max (<20.0MHz)
25mA max (20.0 ~ 35.0MHz)
30mA max ( 35.0MHz)
Driving ability:
15pF HCMOS / 2 TTL
Logic levels:
0 level = 0.4V max
1 level = 90%V
DD
min
Features
«
«
«
«
«
HCMOS / TTL compatible output
Frequencies up to 45.0MHz
Excellent frequency stability
Wide temperature range
Low cost for volume production
Waveform symmetry @ 50%V
DD
:
40:60 max
Frequency adjustment:
±3ppm min by internal trimmer
±10 ~ ±15ppm, +1.65 ±1.5V
20.00000
40.00000
44.73600
Phase noise (@ 1.0kHz):
-135dBc/Hz max (<12.0MHz)
-130dBc/Hz max (12.0 ~ 20.0MHz)
-125dBc/Hz max ( 20.0MHz)
Standard.
Optional - Please specify required code(s) when ordering
Standard Frequencies
Frequencies in MHz
9.60000
10.00000
12.80000
13.00000
14.40000
15.36000
16.00000
16.38400
19.44000
Other frequencies available. Please consult our sales office.
Frequency Stability
The table shows option codes for the available combinations
of frequency stability (in ppm) and temperature range.
±5.0
-40 to +85°C
-30 to +75°C
-20 to +70°C
-10 to +60°C
0 to +50°C
LI
LS
LN
LC
LR
±3.0
-
KS
KN
KC
KR
±2.5
-
JS
JN
JC
JR
±2.0
-
-
-
HC
HR
±1.5
-
-
-
GC
GR
±1.0
-
-
-
-
FR
Ordering Information
Product name + variant + option codes + frequency
eg:
GTXO-538V/JS 10.0MHz
±2.5ppm -30+75°C (standard)
GTXO-538V/HC 10.0MHz
±2.0ppm -10+60°C
Option code X (eg GTXO-538V/X) denotes a custom spec.
Tel:
+44 1460 256 100
20 Nov 2002
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
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