VC7 VCXO SERIES
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LEADLESS SURFACE MOUNT VCXO IN 7 x 5 mm CERAMIC PACKAGE
HCMOS/TTL COMPATIBLE
WITH
TRI-STATE OUTPUT
STANDARD SPECIFICATIONS:
Frequency Range
Operating Temperature Range
Frequency Stability over Operating
Temperature Range and Supply Voltage
Aging at 25° C
±
5°C
°
Supply Voltage
Output Logic Level
Input Current (Icc) & Rise & Fall Time (Tr & Tf)
Output Load
Control Voltage Range
Frequency Deviation (Pullability) over the
Control Voltage Range
Linearity
Tri-State Output
Packaging (see page R1, Figure 4)
8.000 MHz - 36.000 MHz
(Consult factory for specific available frequencies)
0 - 70°C is standard, but can be extended to -40 to +85°C.
±
50 is standard, but 25 PPM also available
±
5 PPM per year
5
±
5% Volt is standard, but 3.3V also available
HCMOS/TTL Compatible
Depends on frequency. See table on next page.
CMOS Load + 15 pF
2.5V
±
2.0V
±
100 PPM minimum is standard. Consult factory for other values.
±
10%
Normal output when pin #2 is open (optional);
Normal output when pin #2 is at logic “1”;
High-impedance outp ut when pin #2 is at logic “0”.
16 mm tape, 178 or 254 or 330 mm reel: 1000 parts per reel.
For quantities <250: 100 parts per tray.
PART NUMBERING GUIDE
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The Pletronics part number for this VCXO series consists of the following 5 elements:
1. Model Number (Input Voltage):
VC75H = 5V
3VC75H = 3.3V
2.
Frequency Stability:
VC75H25:
±25
PPM
VC75H50:
±50
PPM
Operating Temperature Range:
VC75H50B: 0 to +70°C
VC75H50F:-40 to +85°C
Frequency Deviation over Control Voltage Range:
VC75H50BW:
±
100 PPM
5.
Frequency of Operation in MHz
3.
4.
EXAMPLE: VC75H50BW-12.800 MHz, 3VC75H25FW-10.000 MHz
(continued)
Telephone: (425) 776-1880, Fax: (425) 776-2760, e-mail: ple-sales@pletronics.com
T4A
VC7 VCXO SERIES
Input Current and Rise & Fall Time with 15 pF CMOS Load
Freq. Range
(MHz)
8.000
−
20.000
20.001
−
30.000
30.001 – 36.000
Icc (mA)
Typ
Tr & Tf (nS)
Typ
10
20
25
Max
15
25
30
3.5
3.0
3.0
Max
5.0
4.5
4.0
Recommended Test Circuit with CMOS Load
* CL (Capacitive Load): Includes the input capacitance of oscilloscope.
** 0.1µF
external
by-pass filter is recommended.
Package Outline (Not to Scale):
PIN
1
2
3
4
5
6
PIN CONNECTIONS
CONNECTION
V Control
ENABLE/DISABLE INPUT
GROUND
OUTPUT
NO CONNECTION
INPUT (Vcc)
INCHES (MILLIMETERS)
January 2000
T4B
Pletronics Inc., 19013 36
th
Ave. W., Suite H, Lynnwood, WA 98036-5761 USA
Embedded System
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