DIGITAL TCXO
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
Supply voltage, nom.
HCMOS / LVCMOS Supply current, max.
CLIPPED SINWAVE
Frequency, nom.
Overall frequency stability over 10 years
of operation including Initial Frequency
Calibration
Frequency drift during 24 hours of
continuous operation, max (See note 1)
Temperature Stability (See note 2)
∆f/fo
(Vc)
J(f)
£ (∆f)
SYMBOL
Vs
Is
fo
∆fc/fo
∆fc/fo
Vs±5%
Vs, nom. / Ta=25°C
-
Ta=-40°C to + 85°C
or
Ta= 0°C to + 70°C
Ta=-40°C to + 85°C
or
Ta= 0°C to + 70°C
Ta=-40°C to + 85°C
or
Ta= 0°C to + 70°C
Vc= 0.25V
Vc= 2.25V
Offset
∆f
= 12kHz to 20MHz
∆f=10Hz
∆f=100Hz
∆f=1kHz
∆f ≥
10kHz
Load = 15pF
Load=10 kΩ||20pF
Load = 15pF
Load = 15pF
CONDITIONS
3.3
VALUE
5.0
UNIT
V
mA
MHz
ppm
12.0 to 20.0
2.0 to 5.0
10.000 to 40.000
±4.6
±0.37
ppm
±0.30
±0.28
-5 …-10
+5 …+10
10
-80
-110
-130
-145
0.9Vcc / 0.1Vcc
0.7
45 to 55
4
ppm
ppm
PPM
PPM
ps
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
V
Vp-p
%
ns
Elect. Frequency Adjustment Range
(see note 3)
Jitter (peak to peak), max
(Fnom = 20 MHz)
Phase noise SSB @ freq.offset, max
(Fnom = 20 MHz)
HCMOS output levels
Clipped Sine
Duty Cycle (HCMOS output)
Raise/Fall time, max (HCMOS output)
ENVIRONMENTAL SPECIFICATION
Storage temperature range
Vibration
Mechanical shocks
VOH/VOL
Vout
Tr/Tf
-
-
-
-45°C….+85°C
IEC 68-2-6, test Fc:
10..500 Hz, 10g, 2 h, 3 directions
IEC 68-2-27, test Ea:
100g, �½ sine, 3 bumps, 6 directions
All parameters within initial
limits
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 25°C±1°C.
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.
RALTRON ELECTRONICS CORP. 10651 N.W . 19 St Miami, Florida 33172 U.S.A.
phone: +001(305) 593-6033 fax: +001(305)594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com
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RALTRON [ Raltron Electronics Corporation ]
