High Stability
Temperature Compensated Crystal Oscillator
TX-801
TX-801
Description
The TX-801 TCXO provides fully compliant Stratum 3 levels of stability in a 5x3.2mm package. It is ideal for timing over IP
Features
Applications
applications such as 1588 PTP and Synchronous Ethernet.
Features
• Excellent Temperature Stability, Stratum 3 Compliant
• CMOS and Clipped Sinewave Output
• Low Phase Noise
• Phase Noise Filter Option
• Improved Temperature Cycling through 10 Pin Mounting
• 100% RoHS Compliant
• Frequency Range: 6.4 - 52
1
MHz
• Standard Frequencies: 6.4, 9.6, 10, 12.8, 13, 16.384, 19.2, 20,
20.48, 22.1184, 24.576, 25, 26, 30.72, 32, 38.88, 40 & 50MHz
•
•
•
•
•
•
Applications
portable Radios
1588 Applications
Wireline Stratum 3 applications
Test & Measurement
Wireless Communications
Small Cells
Performance Specifications
Frequency Stabilities
1
Parameter
vs. operating temperature range
(referenced to (dfmax+dfmin)/2)
Holdover
Initial tolerance
vs. supply voltage change
Min
-100
-280
-40
-1.0
-0.2
-0.1
-0.2
-0.1
-0.5
-3.0
-4.6
Typ
Max
+100
+280
+40
+1.0
+0.2
+0.1
+0.2
+0.1
+0.5
+3.0
+4.6
Units
ppb
ppb
ppb
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
Condition
-10 to +70°C
-40 to +85°C
In a 24h period at constant temperature
at time of shipment, @ Vc=Vs/2
V
S
±5% static @ HCMOS
V
S
±5% static @ Clipped Sinewave
Load ±10% static @ HCMOS
Load ±10% static @ Clipped Sinewave
vs. load change
vs. aging / 1st year
vs. aging / 20 Years
Overall tolerance
Note:*Stratum 3 per GR-1244-CORE:
<±4.6ppm for all causes and 20 years aging,
holdover: <±0.37ppm over 24 hours
Page 1
Performance Specifications
Supply Voltage (Vs)
Parameter
Supply voltage (standard)
Current consumption
Current consumption
Current consumption
Current consumption
Load R
Load || C
Output Power
Load
Signal Level (Vol)
Signal Level (Voh)
Rise and Fall time
Duty Cycle
Tuning Range
Tuning Range
Linearity
Tuning Slope
0.5
Control Voltage Range
Freq. Control input impedance
Weight
Processing & Packing
Reflow Profile
Supply voltage (Vs)
Control voltage
Operable Temperature Range
Storage Temperature Range
0
-40
-55
-103
-129
-148
-155
-157
-94
-122
-144
-155
-157
0.3
0.5
100
1.0
Handling & Processing Note
1.5
1.65
2.5
±5.0
10%
Positive
2.5
3.0
4.5
VDC
VDC
VDC
kΩ
@ V
s
= 2.8V
@ V
s
= 3.3V
@ V
s
= 5V
40
50
3.0
6.5
60
ns
%
@ (Voh-Vol)/2
9
9
1.0
13.5
Min
3.135
Typical
3.3
1.6
3.5
4.3
4.9
10
10
1.2
Max
3.465
2
4
5
6
11
11
Units
VDC
mA
mA
mA
mA
kΩ
pF
V
pp
Condition
Clipped Sine @ 10MHz, steady state @ +25°C
LVCMOS @ 20MHz, steady state @ +25°C
LVCMOS @ 40MHz, steady state @ +25°C
LVCMOS @ 50MHz, steady state @ +25°C
RF Output (Clipped Sinewave)
@ 10kΩ || 10pF
RF Output (HCMOS)
15
16.5
0.3
pF
VDC
with Vs=3.3V and 15pF Load
with Vs=3.3V and 15pF Load
Frequency Tuning (EFC)
Fixed TCXO; No adjustment
±10.0
ppm
Options
Additional Parameters
g
I
PC / JEDEC J-STD-020 (latest version)
Absolute Maximum Ratings
6.0
Vs
+105
+125
V
V
°C
°C
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Max. Temperature depending on Specification
Phase Noise
3
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
Phase Noise
@ 10MHz
Phase Noise
@ 20MHz
Additional Information
Bypass capacitor is recommended
Page 2
Typical Performance Data
Phase Noise
3
TX-801 @ 10MHz
-60
-60
Phase Noise
3
TX-801 @ 20MHz
-80
-80
-100
Phase Noise [dBc/Hz]
Phase Noise [dBc/Hz]
-100
-120
-120
-140
-140
-160
-160
-180
10E+0
100E+0
1E+3
10E+3
Offset Frequency [Hz]
100E+3
1E+6
10E+6
-180
10E+0
100E+0
1E+3
10E+3
Offset Frequency [Hz]
100E+3
1E+6
10E+6
MTIE per GR1244 Wander
TX-801@ 20MHz; Temperature Ramp; 100mHz High Pass Filter
TDEV per GR1244 Wander
TX-801@ 20MHz; Temperature Ramp; 100mHz High Pass Filter
1E-07
1E-06
1E-08
1E-07
MTIE [s]
TDEV [s]
1E-08
1E-09
1E-09
1E-10
1E-10
1
10
100
tau [s]
1000
10000
1E-11
1
10
100
tau [s]
1000
10000
Temperature Ramp
0.5K/min Slope
100
80
60
40
20
0
0
-20
-40
-60
time [h]
6
12
18
24
ADEV
TX-801@ 20MHz; @40°C
1E-08
Allen deviation
temperature [°C]
1E-09
1E-10
1E-11
1
10
100
tau [s]
1000
10000
Page 3
Outline Drawing / Enclosure
all dimensions in mm
Enable pin function: TX-801
Pin 8 state:
High
Open
Low
Type
G320
Pin Connections
1
2
3
4
5
6
7
8
9
10
Voltage Control (V
C
) or No Connect (option)
Do not connect
Do not connect
Ground (GND)
Ground (GND)
RF Output
Phase Noise Filter Capacitor (optional)
Enable Control
Supply Voltage Input (V
S
)
Ground (GND)
Pin 6 output:
Data
Data
High Tristate
Package Codes: 801
Height
1.7mm
Marking: TX-801
Specification
Frequency
∙VI AYYWW
Page 4
Standard Shipping Method
K
1.75±0.1
Position in tape
Pin1
A
4.0
XXXXX
XXXXX
Unwinding direction
B
B
cross-section
A-A
R
0.7
5
A
A
±0.05
P
0.2
0
if W < 32mm only upper hole line existent
cross-section
B-B
Dimension in mm:
Enclosure Type
G320
Tape Width W (mm)
12
A, B and K are dependent uppon component dimensions
production tolerance complying DIN IEC 286-3
Quantity per meter
150
Quantity per reel
750
W
B
Dimension P
8
All dimensions in millimeters unless otherwise stated
Recommended Reflow Profile
TP: max 250°C (@ solder joint,
customer board level)
T
p
: max: 10…30 sec
Additional Information:
This SMD oscillator has been
designed for pick and place reflow
soldering
SMD oscillators must be on the top
side of the PCB during the reflow
process.
Environmental Conditions
Rapid Temperature Changes
Vibration
Shock
Solderability
Solvent Resistance
ESD
Moisture Sensitivity
RoHS Compliance
MIL-883-1010 Cond B 1000 cycles -55/125C
MIL-STD-883 Meth 2007 Cond A 20G 20-2000Hz 4x in each 3axis 4 min
MIL-STD-202 Meth 213B Cond. F; 1500g 0,5ms 6 shocks in each direction
J_STD_002C Cond A, Through hole device/ Cond. B, SMD 255C (diving time 50,5sec.)
Dip+Look with 8h damp pre-treatment: solder wetting >95%
MIL-STD-883 Meth 2015 Solv. 1,3,4
JESD22-A114F Class 1B; 10* 1000V
Level 1 JESD22-A113-B
100% ROHS compliant
Page 5
PCB设计
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