
Specifications subject to change without notice. All dimensions in inches. Copyright 2007 The Connor-Winfield Corporation
Ultra PreciseTCXO / VCTCXO
The Connor Winfieldl Tx5B-series are
miniature 5x7mm Surface Mount
Temperature Compensated Crystal
Oscillator (TCXO) or Voltage
Controlled Temperature
Compensated Crystal Oscillator
(VCTCXO) with a Clipped Sinewave
output. Through the use of Analog
Temperature Compensation, the
Tx5B-series are capable of holding
sub 0.1-ppm stabilities over the
commercial temperature range.
Recommended for STRATUM 3
applications
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Storage Temperature
Supply Voltage
Input Voltage
TCXO Models:
TB5B - TD5B
VCTCXO Models:
TF5B - TH5B
3.3V or 5.0V Operation
Clipped Sinewave Output Logic
Frequency Stability: +/-0.10ppm
Temperature Range: 0 to 70°C
Frequency Tolerance: +/-4.6ppm for 10 yrs.
Low Jitter <1pS RMS
Tri-State Enable/Disable Function
5x7mm Surface Mount Package
Tape and Reel Packaging
RoHS Compliant / Lead Free
1 2Mhz F B
9
Description
Features
TABLE 1
NOTE
UNITS
MINIMUM
-55
-0.5
-0.5
NOMINAL MAXIMUM
-
-
-
UNITS
°C
Vdc
Vdc
125
6.0
(Vcc)
(Vc)
Vcc+0.5
OPERATING SPECIFICATIONS
PARAMETER
Frequency Range
Frequency Calibration (TCXO Models)
Frequency Stability
Operating Temperature Range
Aging First Year
Supply Voltage Variation. (Vcc±5%)
Load Coefficient, ±5pF
Frequency shift after reflow soldering
Total Frequency Tolerance
Supply Voltage Models TB5B and TF5B
Models TD5B and TH5B
Supply Current
Jitter (BW=10Hz to 20MHz)
Jitter (BW=12kHz to 20MHz)
SSB Phase Noise at 10Hz offset
SSB Phase Noise at 100Hz offset
SSB Phase Noise at 1KHz offset
SSB Phase Noise at >10KHz offset
Startup Time
TABLE 2
NOTE
MINIMUM
6.4
-1.00
-0.10
0
-1.0
-0.025
-0.025
-1.00
-4.6
3.135
4.75
-
-
-
-
-
-
-
-
NOMINAL
-
-
-
-
-
-
-
-
-
3.3
5.0
6
-
-
-
-
-
-
-
MAXIMUM
26.0
1.00
0.10
70
1.0
0.025
0.025
1.00
4.6
3.465
5.25
10
5
1
-80
-110
-135
-150
10
UNITS
MHz
ppm
ppm
°C
ppm
ppm
ppm
ppm
ppm
Vdc
Vdc
mA
ps rms
ps rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
ms
1
2
3
3
(Vcc)
(Vcc)
(Icc)
INPUT CHARACTERISTICS for VOLTAGE CONTROL (Pad 10)
PARAMETER
Control Voltage Range (Vcc = 3.3V)
Frequency Tuning
Input Impedance
Linearity
Slope
TABLE 3
Notes
MINIMUM
0.3
±10
100K
±5
Positive
NOMINAL
1.65
-
-
-
MAXIMUM
3.0
-
-
-
UNITS
Vdc
ppm
Ohms
%
(Vc)
INPUT CHARACTERISTICS for ENABLE / DISABLE FUNCTION (Pad 8)
PARAMETER
Enable Voltage (High) or open circuit
Disable Voltage (Low) Output Tri-stated
TABLE 3
NOTE
4
MINIMUM
70% Vdd
-
NOMINAL
-
-
MAXIMUM
-
30% Vdd
UNITS
Vdc
Vdc
(Vih)
(Vil)
CLIPPED SINEWAVE OUTPUT CHARACTERISTICS (Pad 5)
TABLE 4
PARAMETER
Load
Output Voltage
MINIMUM
-
1.00
NOMINAL
10KOhm//10pF
-
MAXIMUM
-
-
UNITS
Notes
5
V pk-pk