THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX
(630) 851-5040.
PHONE (630) 851-4722.
WWW.CONWIN.COM
P R O D U C T D A T A S H E E T
CRYSTAL CONTROLLED OSCILLATORS
CW 0846
TFLD646E
100MHZ
3.3V SURFACE MOUNT LVCMOS TCXO
WITH TRI-STATE ENABLE / DISABLE
ABSOLUTE MAXIMUM RATINGS
TABLE 1.0
TFLD646E
PARAMETER
UNITS
MINIMUM NOMINAL MAXIMUM
UNITS
°C
NOTE
Storage Temperature
Supply Voltage
-40
-0.6
-0.5
-
-
-
85
6
(Vcc)
Vdc
Vdc
Input Voltage
Vcc+0.5
DESCRIPTION
OPERATING SPECIFICATIONS
PARAMETER
TABLE 2.0
NOTE
MINIMUM NOMINAL MAXIMUM
UNITS
MHz
ppm
The Connor Winfield TFLD646E
is a Surface Mount Fixed
Frequency Temperature
Frequency Range
(Fo)
12.80
-1.5
-4.6
-40
3.135
-
-
-
156.25
1.5
4.6
85
Frequency Calibration @ 25°C
Total Frequency Tolerance
Operating Temperature Range
Supply Voltage
-
ppm
1
-
°C
Compensated Crystal Oscillator
(TCXO). Operating at 3.3Vdc, the
TFLD646E will maintain 4.6ppm
frequency tolerance for 20 years
over the Industrial Temperature
Range. The TFLD646E is offered
in a surface mount package for
automated assembly.
(Vcc)
(Icc)
3.3
9
3.465
25
Vdc
Supply Current
mA
Period Jitter
-
3
5
ps rms
ps rms
Phase Jitter (BW=12kHz to 20MHz)
-
0.5
1
PHASE NOISE CHARACTERISTICS
Typical Phase Noise Measurements @
SSB Phase Noise at 10Hz offset
TABLE 3.0
12.8
-60
77.76
-60
155.52
-50
MHz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
SSB Phase Noise at 100Hz offset
SSB Phase Noise at 1KHz offset
-90
-90
-80
-120
-135
-145
-120
-135
-145
-115
-130
-140
SSB Phase Noise at 10KHz offset
SSB Phase Noise at 100KHz offset
FEATURES
INPUT CHARACTERISTICS
Enable Voltage (High)
TABLE 4.0
3.3V OPERATION
(Vih)
(Vil)
70%Vcc
-
-
-
-
Vdc
Vdc
2
Disable Voltage (Low)
30%Vcc
OVERALL FREQUENCY TOLERANCE:
4.6ppm OVER 20 YEARS.
LVMOS OUTPUT CHARACTERISTICS
TABLE 5.0
NOTE
PARAMETER
MINIMUM NOMINAL MAXIMUM
UNITS
pF
TEMPERATURE RANGE: -40 to 85°C
LOW JITTER <1pS RMS
LOAD
-
2.0
-
-
-
-
15
-
Voltage
(High)
(Low)
(High)
(Low)
(Voh)
(Vol)
(Ioh)
(Ioh)
Vdc
Vdc
mA
mA
%
0.4
-
TRI-STATE ENABLE / DISABLE
FUNCTION
-
Current
-4
-
-
4
Duty Cycle at 50% of Vcc
45
50
3
55
5
SURFACE MOUNT PACKAGE
TAPE AND REEL PACKAGING
RoHS COMPLIANT / LEAD FREE
Rise / Fall Time 10% to 90%
ns
PACKAGE CHARACTERISTICS
TABLE 6.0
Package
Non-hermetic package consisting of an FR4 substrate with grounded metal
cover.
ORDERING INFORMATION
PROCESS RECOMMENDATIONS
TABLE 7.0
RoHS compliant, lead free. See solder profile page 2.
Ultrasonic cleaning is not recommended.
Soldering Process
Wash
TFLD646E - 100.0M
Note:
1) Inclusive of calibration, frequency vs. temperature stability, supply voltage change, load
change, shock and vibration, 20 years aging.
TCXO
SERIES
CENTER
FREQUENCY
2) Oscillator output is enabled with no connection on pad 1. Output is at high impedance
when disabled.
Specifications subject to change without notice.
07/07/09
Tx139
1
2
03
REV:
Copyright 2008 Connor-Winfield all rights reserved.
a
DATA SHEET #:
PAGE
OF
DATE: