OBSOLETE - DO NOT USE
3V TCXO HCMOS
Specifications
GTXO-538T: Internal trimmer
GTXO-538V: Voltage adjustment + internal trimmer
Variant
T
GTXO-538T
GTXO-538V
V
Option
Codes
GTXO-538
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
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
Features
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
«
«
«
HCMOS / TTL compatible output
Frequencies up to 45.0MHz
14-pin DIL compatible
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
Waveform symmetry @ 50%V
DD
:
40:60 max
Frequency adjustment:
±3ppm min by internal trimmer
±10 ~ ±15ppm, +1.65 ±1.5V
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
Ordering Information
Product name + variant + option codes + frequency
eg:
GTXO-538V/JS 10.0MHz
±2.5ppm -30+75°C (standard)
Option code X (eg GTXO-538V/X) denotes a custom spec.
Tel:
+44 1460 256 100
05 Jan 2006
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
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