THA4 Series
PLETRONICS
TCXO / TCVCXO
Applications
Features
SONET / SDH / DWDM
Test & Measurement
Pletronics’ THA4 Series Temperature Compensated
Crystal Oscillator
Telecom Transmission & Switching Equipment
Base Stations / Picocell
Wireless Communication Equipment
Optional Voltage Control Function
CMOS Output
2.8V to 3.3V nominal Supply Voltage
8 - 40 MHz Frequency
THA4
5.0 x 7.0 x 2.6 mm
LCC Ceramic Package
Electrical Characteristics
Condition
Parameter
Frequency Range 2
Min
Typ
Max
Unit
8
-
40.0
MHz
Consult factory for other options
Frequency Stability vs. Temperature 2
-
-
±0.5
-
ppm
ppm
(fmax - fmin) / 2
Vcontrol 1.50 volts nominal if used when VCC > 3.0 volts
Referenced to the value 25°C ± 2°C
Frequency Initial Calibration
-
±2.0
Operating Temperature Range 2
Supply Voltage 1, 2 VCC
-40
-
-
+85
3.3
°C
Widest range available
2.8
Volts
± 5%
4.0
5.0
7.0
13 MHz
26 MHz
40 MHz
Supply Current ICC
-
-
mA
Load: 15 pF, VCC ± 5%
Frequency Stability vs. Supply
Frequency Stability vs. Load
Vcontrol Range
-
-
-
±0.2
±0.2
2.5
ppm
ppm
Volts
ppm
Load: 15 pF, VCC ± 5%
Load: 15 pF, VCC ± 5%
1.50 volts nominal for VCC
Positive Slope
-
-
0.5
0
Frequency Pullability 2
Output Waveform
Duty Cycle
±8.0
±12.0
CMOS
40
90
50
60
%
Load: 15 pF
Output VHIGH
-
-
%Vdd
Vth: TR and TF 10% and 90% of amplitude
Vth: D.C. 50% of amplitude
Output VLOW
-
-
-
-
-
-
-
-
10
%Vdd
nS
Output TRISE and TFALL
Startup Time
6.5
10.0
±1.0
mS
Within ± 2.0 ppm of final frequency
Per year at 25°C ± 2°C
Long Term Stability (Aging)
ppm
Phase Noise
100 Hz
1 kHz
10 kHz
100 kHz
-115
-136
-144
-145
-
-
dBc/Hz
°C
25°C ± 2°C at 26.0 MHz
Storage Temperature Range
-55
-
+95
Notes:
1 Place an appropriate power supply bypass capacitor next to device for correct operation
2 Specified by part number
Product information is current as of publication date. The product conforms to specifications per the terms of the Pletronics standard warranty.
Production processing does not necessarily include testing of all parameters.
Feb 9, 2017 Rev. E
Pg 1
Copyright © 2017, Pletronics Inc. 19013 36th Ave. W, Lynnwood, WA 98036 USA www.pletronics.com 425-776-1880