LV5544DW-125.0M-T250 数据手册
LV55D Series 2.5 V
LVDS Clock Oscillators
November 2007
• Pletronics’ LV55D Series is a quartz crystal controlled precision square wave generator with an LVDS output. • The package is designed for high density surface mount designs. • Low cost mass produced oscillator. • Tape and Reel or cut tape packaging is available.
• 3.2 x 5 mm LCC Ceramic Package • Enable/Disable Function on pad 1 • Disable function includes low standby power mode • Low Jitter
Pletronics Inc. certifies this device is in accordance with the RoHS 6/6 (2002/95/EC) and WEEE (2002/96/EC) directives.
Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Lead, Mercury, PBB’s, PBDE’s Weight of the Device: 0.09 grams Moisture Sensitivity Level: 1 As defined in J-STD-020C Second Level Interconnect code: e4
Absolute Maximum Ratings:
Parameter VCC Supply Voltage Vi Vo Input Voltage Output Voltage Unit -0.5V to +5.0V -0.5V to VCC + 0.5V -0.5V to VCC + 0.5V
Thermal Characteristics
The maximum die or junction temperature is 155oC The thermal resistance junction to board is 45 to 65oC/Watt depending on the solder pads, ground plane and construction of the PCB.
Product information is current as of publication date. The product conforms to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters.
Copyright © 2007, Pletronics Inc.
LV55D Series 2.5 V
LVDS Clock Oscillators
November 2007
Part Number:
LV55 45 D E W -125.0M -XX Packaging code or blank T250 = 250 per Tape and Reel T500 = 500 per Tape and Reel T1K = 1000 per Tape and Reel Frequency in MHz Supply Voltage VCC W = 2.5V _ 10% + Optional Enhanced OTR Blank = Temp. range -10 to +70oC E = Temp. range -40 to +85oC Series Model Frequency Stability 45 = + 50 ppm _ 44 = + 25 ppm _ 20 = + 20 ppm _ Series Model Marking Legend: P = Pletronics L = LVDS FFF.F = Frequency in MHz YMD = Date of Manufacture (year and week, or year-month-day) All other marking is internal factory codes Specifications such as frequency stability, supply voltage and operating temperature range, etc. are not identified from the marking. External packaging labels and packing list will correctly identify the ordered Pletronics part number. Codes for Date Code YMD
Code Year Code Month Code Day Code Day Code Day 1 1 D 13 T 25 6 2006 A JAN 2 2 E 14 U 26 7 2007 B FEB 8 2008 C MAR 3 3 F 15 V 27 9 2009 D APR 4 4 G 16 W 28 E MAY 5 5 H 17 X 29 0 2010 F JUN 6 6 J 18 Y 30 1 2011 G JUL 7 7 K 19 Z 31 H AUG 8 8 L 20 2 2012 J SEP 9 9 M 21 K OCT A 10 N 22 L NOV B 11 P 23 M DEC C 12 R 24
Part Marking: PFFF.FL C YMDXX
www.pletronics.com
425-776-1880
2
LV55D Series 2.5 V
LVDS Clock Oscillators
November 2007
Electrical Specification for 2.50V _10% over the specified temperature range and + the frequency range of 1 to 250 MHz
Item Frequency Accuracy “45" “44" “20" Output Waveform Output High Level Output Low Level Differential Output (VOD) Differential Output Error (dVOS) Output Offset Voltage (VOS) -0.90 250 -1.125 1.125 Output Symmetry Output TRISE and TFALL 45 300 400 Jitter Vcc Supply Current Enable/Disable Internal Pull-up V disable V enable Output leakage VOUT = VCC VOUT = 0V Enable Disable time Start up time 50 2.0 -10 -10 Operating Temperature Range -10 -40 Storage Temperature Range Standby Current ICC -55 Min -50 -25 -20 Max +50 +25 +20 LVDS 1.60 -450 50 1.375 1.500 55 700 900 0.6 2.8 63 40 0.4 +10 +10 10 10 5 3 +70 +85 +125 3 1.5 mA mA Kohm Volts Volts uA uA nS nS mS mS
o o o
Unit ppm
Condition For all supply voltages, load changes, aging for 1 year, shock, vibration and temperatures
Volts Volts mVolts mVolts Volts Volts % pS pS pS RMS
See load circuit
R1 = 50 ohms
> 80 MHz < 80 MHz
See load circuit
R1 = 50 ohms
Referenced to 50% of amplitude or crossing point Vth is 20% and 80% of waveform > 80 MHz Vth is 20% and 80% of waveform < 80 MHz Measured from 12KHz to 20MHz from Fnominal Measured from 10Hz to 1MHz from Fnominal > 80 MHz < 80 MHz Includes current of properly terminated device
To Vcc (equivalent resistance) Referenced to Ground
Pad 1 low, device disabled
Time for output to reach a logic state Time for output to reach a high Z state > 80 MHz < 80 MHz Measured from the time Vcc = 2.2V
C C C
Standard Temperature Range Extended Temperature Range “E” Option
uA mA
Pad 1 low, device disabled > 80 MHz Pad 1 low, device disabled < 80 MHz
Specifications with Pad 1 E/D open circuit
www.pletronics.com
425-776-1880
3
LV55D Series 2.5 V
LVDS Clock Oscillators
November 2007
Typical Phase-Noise Response
0 -20 -40
dBc/Hz
-60 -80 -100 -120 -140 -160 10 1,000 100,000 10,000,000
Frequency (Hz)
Load Circuit
Test Waveform
Symmetry
Vhigh 80% 50% 20% Vlow
Trise Tfall
Out
Out* Showing Out Measurement only
www.pletronics.com
425-776-1880
4
LV55D Series 2.5 V
LVDS Clock Oscillators
November 2007
Reliability: Environmental Compliance
Parameter Mechanical Shock Vibration Solderability Thermal Shock Condition MIL-STD-883 Method 2002, Condition B MIL-STD-883 Method 2007, Condition A MIL-STD-883 Method 2003 MIL-STD-883 Method 1011, Condition A
ESD Rating
Model Human Body Model Charged Device Model Minimum Voltage 1500 1000 Conditions MIL-STD-883 Method 3115 JESD 22-C101
Package Labeling
Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Courier New Bar code is 39-Full ASCII Label is 1" x 2.6" (25.4mm x 66.7mm) Font is Arial
www.pletronics.com
425-776-1880
5
LV55D Series 2.5 V
LVDS Clock Oscillators
November 2007
Mechanical:
Inches A B C D1 E1 0.197 +0.006 _ 0.125 +0.006 _ 0.053 max 0.050 0.050 0.004 0.039 0.025 0.020 0.004R 0.008R mm 5.00 +0.15 _ 3.20 +0.15 _ 1.35 max 1.27 1.27 0.10 1.00 0.63 0.50 0.10R 0.20R
1
1 2
6 5
3
4
F1 G1 H1 I
1
Contacts: Gold 11.8 µinches 0.3 µm minimum over Nickel 50 to 350 µinches 1.27 to 8.89 µm
1
Typical dimensions
J1 K1
Not to Scale
Pad 1
Function Output Enable/Disable No connect Ground (GND) Output Output* Supply Voltage (VCC)
Note When this pad is not connected the oscillator shall operate. When this pad is
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