DIGITAL TCXO
R A L T R O N E L E C T R O N I C S C O R P . 1 0 6 5 1 N . W . 1 9
t h
S t M i a m i , F l o r i d a 3 3 1 7 2 U . S . A .
phone: +001(305) 593-6033 fax: +001(305)594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com
DIP 14 STRATUM 3 DIGITAL (VC) TCXO, TU045A AND TY045A SERIES
FEATURES:
- Fully meeting free run frequency accuracy and 24 hours maximum frequency drift requirements for
STRATUM 3 according to Telecordia GR-1244-CORE*
- Very low power consumption suitable for portable and/or battery operated equipment
ELECTRICAL SPECIFICATION**
PARAMETER
SYMBOL
CONDITIONS
VALUE
UNIT
Supply voltage, nom.
Vs
Vs5%
3.3
5.0
V
HCMOS / LVCMOS Supply current, max.
CLIPPED SINWAVE
Is
Vs, nom. / Ta=25C
12.0 to 20.0
2.0 to 5.0
mA
Frequency, nom.
fo
-
10.000 to 40.000
MHz
Overall frequency stability over 10 years
of operation including Initial Frequency
Calibration
fc/fo
Ta=-40C to + 85C
or
Ta= 0C to + 70C
4.6 ppm
Frequency drift during 24 hours of
continuous operation, max (See note 1)
fc/fo
Ta=-40C to + 85C
or
Ta= 0C to + 70C
0.37 ppm
Temperature Stability (See note 2)
Ta=-40C to + 85C
or
Ta= 0C to + 70C
0.30
0.28
ppm
ppm
Elect. Frequency Adjustment Range
(see note 3)
f/fo (Vc)
Vc= 0.25V
Vc= 2.25V
-5 ...-10
+5 ...+10
PPM
PPM
Jitter (peak to peak), max
(Fnom = 20 MHz)
J(f)
Offset
f = 12kHz to 20MHz
10 ps
Phase noise SSB @ freq.offset, max
(Fnom = 20 MHz)
(
f)
f=10Hz
f=100Hz
f=1kHz
f 10kHz
-80
-110
-130
-145
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
HCMOS output levels
Clipped Sine
VOH/VOL
Vout
Load = 15pF
Load=10 k
||20pF
0.9Vcc / 0.1Vcc
0.7
V
Vp-p
Duty Cycle (HCMOS output)
Load = 15pF
45 to 55
%
Raise/Fall time, max (HCMOS output)
Tr/Tf
Load = 15pF
4
ns
ENVIRONMENTAL SPECIFICATION
Storage temperature range
-
-45
C....+85C
Vibration
-
IEC 68-2-6, test Fc:
10..500 Hz, 10g, 2 h, 3 directions
All parameters within initial
limits
Mechanical shocks
-
IEC 68-2-27, test Ea:
100g, sine, 3 bumps, 6 directions
All parameters within initial
limits
Notes:
1. The 24 hours drift can be measured any time after minimum 1 hour from initial turn on. Please contact factory
for details.
2. The Temperature Stability is calculated with regard to frequency reading at 25C1C.
3. TY045A series only.
* Telecordia is a trademark of Telecordia Technologies
** This specification is typical. Other frequencies, output types and custom parameters are available. Please, contact
factory for details.
DIGITAL TCXO
R A L T R O N E L E C T R O N I C S C O R P . 1 0 6 5 1 N . W . 1 9
t h
S t M i a m i , F l o r i d a 3 3 1 7 2 U . S . A .
phone: +001(305) 593-6033 fax: +001(305)594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com
HOW TO ORDER (PART NUMBER)
Prefix
Output
Type
Series
Revision
Temperature Range
Stability
Frequency
Stratum3
Voltage
TU: No Freq.
Adjust option
TY: With Freq
Adjust
0: CLIPPED
SINE
2:HCMOS
4:LVCMOS
045
A
LZ: 0C to +70C
D3: -40C to +85C
0.28=
0.28PPM
0.3=
0.3PPM
In MHZ
S3
3: 3.3V
5: 5.0V
Example
:
TU4045A
TU4045A
TU4045A
TU4045A----LZ
LZ
LZ
LZ---- 0.28
0.28
0.28
0.28 ----19.440
19.440
19.440
19.440 S3
S3
S3
S3 ---- 3
3
3
3
Frequency 19.44MHz
Tem p Stability = 0.28 x 10E-6 = 0.28 PPM
O perating Tem p Range = 0C to +70C
Revision "A"
Series
O utput LV HCMO S
Prefix: Digital TCXO , no Freq. Adjust
Stratum 3
Voltage
MECHANICAL SPECIFICATION
HEIGHT, MAX. "H":
0.34" / 8.6mm
OUTLINE TOLERANCE:
0.015" / 0.4mm
PIN FUNCTIONS:
[1] N.C. / V.C.*
[3] NOT CONNECTED**
[7] CASE / GROUND
[8] RF OUTPUT
[12] NOT CONNECTED**
[14] SUPPLY VOLTAGE
NOTE:
DENOTES PIN 1 LOCATION
*TY045A SERIES ONLY
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