Pl tronics, Inc.
.
19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA
Manufacturer of High Quality Frequency Control Products
VC7 VCXO Series
6 Pad Leadless Ceramic Surface Mount Voltage Controlled Xtal Oscillator
CMOS/ TTL Compatible with Enable/Disable
Standard Specifications
–
8.000 MHz 70.000 MHz
Overall Frequency Stability
Operating Temperature Range
Supply Voltage (Vcc)
Output Load
Control Voltage Range (CVR)
Pullablity over CVR
± 25, 50 PPM over Operating Temperature Range
-
°
0 to +70 C is standard, but can be extended to 40 to +85°C for certain frequencies
5.0 volts and 3.3 volts available, .01 µF bypass cap recommended
Standard load is 15pF maximum, see Test Circuit 9 (consult factory for heavier loads)
0.5 to 4.5 volts for 5.0 volt Supply; 0.0 to 3.3 volts for 3.3 volt Supply
± 90 PPM. Consult factory for other values.
Linearity
± 10% (Consult factory for ± 5%)
Output enabled when Pin #2 is open or at Logic “1”; Output disabled when Pin #2 is at Logic “0”.
Enable/Disable Option (E/D)
Frequency Range
(MHz)
Supply Current
Icc (mA)
Rise and Fall Time
Tr & Tf (nS)
Typical
Maximum
Typical
3.5
3.0
Maximum
5.0
–
8.000 20.000
10
20
25
15
25
30
–
20.001 30.000
4.5
4.0
–
30.001 70.000
3.0
Part Numbering Guide
Portions of the part number that appear after the frequency may not be marked on part (C of C provided)
3 VC75H 25 B S - 10.0M - XXX (Internal Code or blank)
Supply Voltage
Frequency in MHz
Packaging
Tray or
16mm tape
8mm pitch
Blank= 5.0 volts ±5%
3= 3.3 volts ±5%
Model
Frequency Deviation (Pullability) over CVR
S: ± 90 PPM
VC74H = E/D on 5
VC75H = E/D on 2
Frequency Stability
Operating Temperature Range
25: ± 25 PPM
50: ± 50 PPM
B: 0 to +70°C
F: -40 to +85°C
Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned.
Frequency Stability is inclusive of frequency shifts due to calibration, temperature, supply voltage, shock, vibration and load
inches (mm)
Mechanical:
not to scale
Solder Pads
Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.
0.200 (5.08)
0.276 (7.0 ± .15)
0.004 (0.10)
0.050 (1.27)
5
2
4
3
6
1
5
2
6
1
4
3
0 .087 (2.2)
0 .079 (2.0)
0.055
(1.4)
0.024
(0.60)
0.075 (1.9)
MAX
0.200 (5.08)
.01 m F
bypass
capacitor
VC75H
VC74H
For Best Performance,
Do NOT allow any traces other
than ground under oscillators
(Even in buried layers)
0 .055
(1.4)
PIN SIGNAL
PIN SIGNAL
1
2
3
4
5
6
Vcon
E/D
GND
OUT
N.C.
Vcc
1
2
3
4
5
6
Vcon
N.C.
GND
OUT
E/D
Mar 2004
Vcc
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
25
Pl tronics, Inc.