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TFLD546E2-156.250M

更新时间： 2024-09-17 20:52:23
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CONNOR-WINFIELD /
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2页 102K
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Oscillator

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TFLD546E2-156.250M 数据手册

 浏览型号TFLD546E2-156.250M的Datasheet PDF文件第2页 
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  
TFLD546E2  
44.736MHZ  
3.3V SURFACE MOUNT LVCMOS TCXO  
WITH TRI-STATE ENABLE / DISABLE  
ABSOLUTE MAXIMUM RATINGS  
TABLE 1.0  
PARAMETER  
UNITS  
MINIMUM NOMINAL MAXIMUM  
UNITS  
°C  
NOTE  
Storage Temperature  
Supply Voltage  
-40  
-0.6  
-0.5  
-
-
-
85  
6
TFLD546E2  
(Vcc)  
Vdc  
Vdc  
Input Voltage  
Vcc+0.5  
OPERATING SPECIFICATIONS  
PARAMETER  
TABLE 2.0  
NOTE  
DESCRIPTION  
MINIMUM NOMINAL MAXIMUM  
UNITS  
MHz  
ppm  
Frequency Range  
(Fo)  
12.80  
-
-
156.25  
1.5  
4.6  
70  
The Connor-Winfield TFLD546E2  
is a Surface Mount Temperature  
Compensated Crystal Oscillator  
(TCXO). Operating at 3.3Vdc,  
the TFLD546E2 will maintain  
4.6ppm frequency tolerance  
over 20 years. The TFLD546E2  
is offered in a surface mount  
package for automated  
Frequency Stability  
-1.5  
Total Frequency Tolerance  
Operating Temperature Range  
Supply Voltage  
-4.6  
-
ppm  
1
0
-
°C  
(Vcc)  
(Icc)  
3.135  
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  
assembly.  
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  
(Vih)  
(Vil)  
70% Vcc  
-
-
-
-
Vdc  
Vdc  
2
3.3V OPERATION  
Disable Voltage (Low)  
30% Vcc  
OVERALL FREQUENCY TOLERANCE:  
4.6ppm OVER 20 YEARS.  
LVCMOS OUTPUT CHARACTERISTICS  
TABLE 5.0  
NOTE  
PARAMETER  
MINIMUM NOMINAL MAXIMUM  
UNITS  
pF  
TEMPERATURE RANGE: 0 to 70°C  
LOW JITTER <1pS RMS  
LOAD  
-
2.0  
-
-
-
-
15  
-
Voltage  
(High)  
(Low)  
(High)  
(Low)  
(Voh)  
(Vol)  
(Ioh)  
(Ioh)  
Vdc  
Vdc  
mA  
mA  
%
0.4  
-
-
Current  
-4  
-
TRI-STATE ENABLE/DISABLE FUNCTION  
PAD 2  
-
4
Duty Cycle at 50% of Vcc  
45  
50  
3
55  
5
SURFACE MOUNT PACKAGE  
TAPE AND REEL PACKAGING  
RoHS 5/6 COMPLIANT  
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 5/6 compliant. See solder profile page 2.  
Ultrasonic cleaning is not recommended.  
Soldering Process  
Wash  
TFLD546E2 - 044.736M  
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 2. Output is at high impedance  
when disabled.  
Specifications subject to change without notice.  
12/17/08  
Tx111  
1
2
03  
REV:  
Copyright 2008 Connor-Winfield all rights reserved.  
a
DATA SHEET #:  
PAGE  
OF  
DATE:  
12

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