FX-424-DAF-A2C1G 概述
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FX-424-DAF-A2C1G 数据手册
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PDF下载FX-424
Low Jitter Frequency Translator
FX-424
Description
The FX-424 is a precision quartz-based frequency translator used to translate an input frequency such as 8 kHz, 1.544 MHz, 2.048
MHz, 19.44 MHz etc. to any specific frequency from 1.544 MHz to 1.0 GHz. The FX-424 can perform either up or down frequency
conversion. The FX-424’s superior jitter performance is achieved through the use of a precision VCXO or VCSO. With the use of an
external multiplexer, up to 4 different input clocks can be translated to a common output frequency.
Features
Applications
• Quartz-based PLL for Ultra-Low Jitter
• Frequency Translation up to 850 MHz
• Accepts up to 4 ext.-muxed clock inputs
• CMOS / LVDS / LVPECL Inputs compatible
• Differential LVPECL or LVCMOS Output
• Lock Detect / Loss of Signal Alarms
• Output Disable
• Wireless Infrastructure
• 10 Gigabit FC
• 10GbE LAN / WAN
• OADM and IP Routers
• Test Equipment
• Military Communications
• 20.3 x 13.7 x 5.1 mm SMT package
• RoHS/Lead Free Compliant
Block Diagram
LD
VCC
(14)
VMON
(5)
(10)
FIN1
FIN2
FIN
(8)
Phase
Detector
& LD
Loop Filter
VCSO
÷
(13)
FOUT1
FIN3
FIN4
(9)
CFOUT1
μ Controller
÷
SEL0 (1)
SEL1 (2)
GND
(3, 7, 11, 12)
OD
(6)
Figure 1. Functional block diagram
Page 1 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Performance Specifications
Table 1. Electrical Performance
Parameter
Symbol
Min
Typical
Maximum
Units
Frequency1, 2, 3
Input Frequency
Capture Range
Output Frequency
FIN
APR
FOUT
0.008
40
1.544
170
1.0
MHz
ppm
GHz
Supply
Voltage2, 3
VCC
ICC
3.13
3.3
45
3.46
60
V
mA
Current (No Load)3
Input Signal2, 3
CMOS
LVPECL
FIN
FIN
CMOS
LVPECL
LVCMOS Output (Option A) 2, 3
LVCMOS
Differential Output (Options F and P)2, 3, 4, 5
Mid Level - LVPECL
Swing - LVPECL
Mid Level - LVDS
Swing - LVDS
VCC-1.4
450
VCC-2.4
250
VCC-1.25
600
VCC-2.3
410
0.5
0.5
VCC-1.0
950
VCC-2.5
450
V
mV p-p
V
mV p-p
ns
Rise Time
Fall Time
tR
tF
ns
Symmetry
SYM
45
50
55
%
SSB Phase Noise, Fout = 155.52/622.085, 6
10Hz Offset
100Hz Offset
1kHz Offset
10kHz Offset
100kHz Offfset
1 MHz Offset
10 MHz Offset
Φn
Φn
Φn
Φn
Φn
Φn
Φn
-64/-27
-95/-55
-123/-123
-143/-110
-146/-130
-146/-146
-146/-146
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Jitter Generation5, 6
155.52 MHz (12kHz - 20MHz BW)
622.08 MHz (12kHz - 20 MHz BW)
ΦJ
ΦJ
0.30
0.12
ps RMS
ps RMS
Operating Temperature (Options C of F) 1 ,3
TOP
0 to 70 or -40 to 85
ꢀC
1. See Standard Frequencies and Ordering Information.
2. Parameters are tested with production test circuit below (Fig 2).
3. Parameters are tested at ambient temperature with test limits guard-banded for specified operating temperature.
4. Measured from 20% to 80% of a full output swing (Fig 3).
5. Not tested in production, guaranteed by design, verified at qualification.
6. The FX-424 phase noise and jitter performance can be optimized for specific applications. Please consult with Vectron’s Application Engineers
for more information.
Page 2 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied
at these or any other conditions in excess of conditions represented in the operational sections of this data sheet. Exposure to
absolute maximum ratings for extended periods may adversely affect device reliability.
Table 2. Absolute Maximum Ratings
Parameter
Symbol
VDD
Ratings
6
Unit
V
Power Supply
Storage Temperature
Soldering Temp/TIme
TSTR
-55 to 125
ꢀC
TLS
260/40
ꢀC/sec
Reliability
The FX-424 is capable of meeting the following qualification tests
Table 3. Environmental Compliance
Parameter
Conditions
Mechanical Shock
Mechanical Vibration
Solderability
MIL-STD-883, Method 2002
MIL-STD-883, Method 2007
MIL-STD-883, Method 2003
MIL-STD-883, Method 1014
Gross and Fine Leak
Resistance to Solvents
MIL-STD-883, Method 2016
Handling Precautions
Although ESD protection circuitrry has been designed into the the FX-424, proper precautions should be taken when handling
and mounting. VI employs a human body model and a charged-device model (CDM) for ESD susceptibility testing and design
protection evaluation. ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry
wide standard has been adopted for the CDM, a standard HBM of resistance=1.5Kohms and capacitance = 100pF is widely used
and therefore can be used for comparison purposes
Table 4. Predicted ESD R$atings
Model
Minimum
500 V
Conditions
Human Body Model
Charged Device Model
MIL-STD 883, Method 3015
JEDEC, JESD22-C101
500 V
Page 3 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Reflow Profile
Table 5. Reflow Profile (IPC/JEDEC J-STD-020C)
Parameter
Symbol
tS
Value
PreHeat Time
Ramp Up
60 sec Min, 180 sec Max
RUP
tL
3 ꢀC/sec Max
60 sec Min, 150 sec Max
480 sec Max
Time Above 217 ꢀC
Time To Peak Temperature
tAMB-P
Time At 260 ꢀC
Ramp Down
tP
20 sec Min, 40 sec Max
6 ꢀC/sec Max
RDN
The FX-424 is qualified to meet the JEDEC stan-
dard for Pb-Free assembly. The temperatures
and time intervals listed are based on the Pb-Free
small body requirements. The temperatures refer
to the topside of the package, measured on the
package body surface. The FX-427 should not
be subjected to a wash process that will immerse
it in solvents. NO CLEAN is the recommended
procedure. The FX-427 has been designed for pick
and place reflow soldering. The FX-427 may be
reflowed once and should not be reflowed in the
inverted position.
Figure 4. Suggested IR Profile
Tape and Reel
Table 6. Tape and Reel Information
Reel Dimensions (mm)
Tape Dimensions (mm)
W
F
Do
1.5
Po
4
P1
20
A
B
C
D
N
W1
W2
#/Reel
200
44
20.2
330
1.5
13
20.2
100
44.4
50.4
Figure 5. Tape and Reel
Page 4 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Pin Configuration
Figure 6. Pin Configuration
Table 7. Pin Functions
Pin #
1
Symbol
SEL0
I/O
I
Level
Function
LVTTL
Frequency Select *
2
3
4
SEL1
GND
I
LVTTL
Frequency Select*
Case and Electrical Ground
Not present
GND
Supply
5
VMON
OD
O
I
VCXO Control Voltage Monitor
Under locked conditions VMON should be > 0.3V and <3.0V. The input frequency may
be out of range if the voltage exceeds these levels
6
LVCMOS
Supply
Output Disable
Disabled = Logic “1”
Enabled = Logic “0”or no connect
7
8
GND
GND
O
Case and Electrical Ground
Frequency Output
FOUT
LCPECL. LVDS or
LVCMOS
9
CFOUT
LD
O
O
LVPECL, LVDS or
LVCMOS
Complementary Frequency Output – Note for LVCMOS option this pad will be tied to
GND.
10
LVCMOS
Lock Detect
Locked = Logic “1”
Loss of Signal = Logic “0”
11
12
GND
GND
GND
GND
Supply
Supply
Complimentary Divided-Down VCSO/VCXO Output, or Disabled
Case and Electrical Ground
13
14
FIN
I
LVCMOS or
LVPECL
Input Frequency – AC Coupled
Power Supply Voltage (3.3 V 5%)
VCC
VCC
Supply
* For applications requiring two to four input frequencies, Vectron will assign a unique part number and the Input Frequency versus SEL[1:0] settings will be pro-
vided in a Specification Control Drawing. For single input configurations it is recommended that SEL0 and SEL1 are tied to ground.
Page 5 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
FX-424 Outline Diagram and Pad Layout
Figure 7. Outline and Pad Layout
Page 6 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Suggested Output Load Configurations
Figure 8. Single Input Frequency Translation - LVPECL Termination
Figure 8. Four Input Frequencies Translated to Common Output Frequency – LVPECL Termination
Page 7 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Ordering Information
Table 8. Standard Frequencies
8.00 kHz
16.00 kHz
C
D
E
26.00 MHz
27.00 MHz
T
W
X
Y
0
1
2
3
4
5
6
7
622.08 MHz
8
9
666.5143 MHz
64.00 kHz
38.88 MHz
1.024 MHz
1.544 MHz
2.048 MHz
4.096 MHz
8.192 MHz
13.000 MHz
16.384 MHz
19.440 MHz
20.480 MHz
F
44.736 MHz
51.84 MHz
H
J
614.44 MHz
77.76 MHz
K
L
82.944 MHz
112.00 MHz
139.264 MHz
155.520 MHz
166.6286 MHz
M
N
P
R
Special SCD
S
F X - 4 2 4 - X X X - X X X X X
Power Supply
D: 3.3 Vdc
RoHs Compliant
G: Yes
Blank: Mat contain Pb
Output
Ouptut Frequency 1
(See Table)
A: LVCMOS
F: LVPECL
P: LVDS
Input Frequency 1, 2
(See Table)
Temperature Range
C: 0 to 70ꢀC
F: -40 to 85ꢀC
Number of Input Frequencies 2
1: 1 input frequency
2: 2 input frequencies
3: 3 input frequencies
4: 4 input frequencies
Input Logic
A: LVCMOS
D: LVPECL
1. For non-listed frequencies and/or multiple input frequencies a unique part number will be assigned with the following format FX-424-XXX-SNNNN.
“SNNNN” is the SCD number.
2. To request initial samplesfor an FX-424 with more than one input frequency, please use the following format FX-424-XXX-XNSX followed by the input
frequencies. For example, to request samples for a translator with and operating temperature of -40 to +85°C, input frequencies of 8 kHz, 1.544 MHz,
19.44 MHz, 77.76 MHz and an output frequency of 622.08 MHz, the part number would be FX-424-DFF-A4S8, S = 8 kHz, 1.544 MHz, 19.44 MHz, 77.76
MHz.
For Additional Information, Please Contact
USA:
Europe:
Asia:
Vectron International
267 Lowell Road
Hudson, NH 03051
Tel: 1.888.328.7661
Vectron International
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 3328.4784.17
1F-2F, No 8 Workshop, No 308 Fenju Road
WaiGaoQiao Free Trade Zone
Pudong, Shanghai, China 200131
Tel: 86.21.5048.0777
Fax: 1.888.329.8328
Fax: +49 (0) 3328.4784.30
Fax: 86.21.5048.1881
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 8/2008
Page 8 of 8
Vectron International • 267 Lowell Road, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
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