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參數(shù)資料
| 型號： | T2031-FREQ1 |
| 廠商： | VALPEY FISHER CORP |
| 元件分類： | XO, clock |
| 英文描述： | VCXO, CLOCK, 3 MHz - 30 MHz, HCMOS/TTL OUTPUT |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 118K |
| 代理商： | T2031-FREQ1 |
VOLTAGE CONTROLLED
CRYSTAL OSCILLATORS
HCMOS/TTL 5V
SURFACE MOUNT
T2002, T2006
T2021, T2022,
T2024
T2031, T2032
T2034
GUARANTEED CAPTURE RANGE/ABSOLUTE PULL RANGE
Guaranteed Capture Range (GCR) and Absolute Pull Range (APR) are terms often used interchangeably.
MF's Guaranteed Capture Range (GCR) is defined as the minimum guaranteed frequency deviation or
"pull" (in ppm) around the nominal frequency, with all effects of temperature, variations in VDD and load
taken into account. This amount of absolute frequency deviation is available under all operating conditions
for modulation or capturing other signals. No additional frequency capture allowances are necessary.
FEATURES
Guaranteed Capture Range of ±75ppm or ±100ppm, depending on model
Excellent incrememtal and best-straight-line linearity
Start-up time is less than 5ms
Each unit is ATE-tested to guarantee full compliance with all electrical specifications
TYPICAL APPLICATIONS
Phase locked loops and data acquisition projects, including:
– xDSL customer premise equipment
– Cable modems
– ATM/SONET/SDH
Description
These SMD VCXOs generate a 5 volt
HCMOS/TTL frequency output which is
controlled ("pulled") by an input voltage.
MF Electronics' VCXO specification
defines not only the end-point frequency/
voltage parameters, but also the center
voltage at which the nominal frequency
is acheived.
30
sec
min.
50 to
100 sec
Time (sec)
Temperature
of
pad
(…C)
20
sec
min.
20
sec
min.
30 to
50 sec
100
140
160
200
230
Recommended Reflow Soldering Profile
0.071 (1.8) SQ.
0.200
(5.1)
SUGGESTED PC PADS
0.165
(4.2)
0.193
± .007
(5.0)
.075 (1.9)
.067 (1.7)
.045
± .008
(1.1)
PAD 3 (OUTPUT)
PAD 4
(V
DD )
PAD 1
Marking
is shown
on marking
spec
PAD 1
PAD 2 (GND)
0.200
± .005
(5.1)
.048
± .003
(1.0)
0.274
± .007
(7.0)
“T” Package
Millimeters are shown in (
).
5 x 7 mm Surface Mount
Commercial: 0 to 70C
3 MHz to 45 MHz
1 of 5
CONNECTIONS
T Package
Pad 1. Control Voltage
Pad 2. Ground
Pad 3. Output
Pad 4. +5V, V
DD
International Sales: +1.914-712-2200 USA Sales: +1.800.331.1236 Fax: 914.712.2290 www.mfelectronics.com email:sales@mfelectronics.com
ELECTRONICS
10 Commerce Dr
New Rochelle NY 10801
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