CVPD-920 Model
9X14 mm SMD, 3.3V, LVPECL
Frequency Range:
50MHz to 125MHz
Frequency Pulling:
Temperature Range:
±20ppm APR Min
0°C to 70°C
(Option X)
-40°C to 85°C
Storage:
-55°C to 120°C
Input Voltage:
Control Voltage:
Input Current:
Output:
3.3V ±0.3V
1.65V ±1.65V
88mA Max
Differential LVPECL
45/55% Max @ 50% Vcc
1ns Max @ 20% to 80% Vcc
±10% Max
Terminated to Vcc-2V into 50 ohms
"0" = Vcc-1.85V Min, Vcc-1.62V Max
"1" = Vcc-1.02V Min, Vcc-0.81V Max
200ns
Designed to meet today's requirements for
3.3V Differential LVPECL applications.
The CVPD-920 is produced using our cost
saving FR5 PCB and UM-1 overtone
Symmetry:
Rise/Fall Time:
Linearity:
Logic:
crystal technology.
This design offers
Disable Time:
Start-up Time:
Phase Jitter:
Phase Noise:
considerable cost savings over other HFF
VCXO products when broad frequency
pulling is not required. Also available in 14
pin dip fully hermetic package.
1ms Typ., 2ms Max
12KHz to 80MHz 0.5psec Typ., 1psec RMS Max
10Hz
100Hz
1KHz
10KHz
100KHz
-65dBc/Hz Typical
-98dBc/Hz Typical
-125dBc/Hz Typical
-140dBc/Hz Typical
-145dBc/Hz Typical
Aging:
<3ppm 1st/yr, <1ppm every year thereafter
SUGGESTED PAD LAYOUT
0.100
(2.54)
0.040
(1.01)
0.560
(14.2)
0.050
(1.27)
0.560
(14.2)
CRYSTEK
P/N
Frequency
Date Code
1
6
2
5
3
4
0.360
(9.14)
0.070
(1.77)
0.210
(5.3)
0.090
(2.28)
0.280
(7.11)
0.200
(5.08)
0.200
(5.08)
RECOMMENDED REFLOW SOLDERING PROFILE
Ramp-Up
3°C/Sec Max.
Critical
Temperature Zone
Crystek Part Number Guide
260°C
Ramp-Down
6°C/Sec.
CVPD-920 X - 100.000
217°C
#1
#2
#3
#4
200°C
150°C
#1 Crystek 9x14 SMD PECL VCXO
#2 Model 920
#3 Temp. Range: Blank = 0/70°C, X=-40/85°C
#4 Frequency in MHz: 3 or 6 decimal places
Preheat
Example:
CVPD-920X-25-100.000
90 Secs. Max.
180 Secs. Max.
= 3.3V, 45/55, -40/85°C, 25ppm, 100.000 MHz
8 Minutes Max.
260°C for
10 Secs. Max.
Enable/Disable Function
Pin 2
NOTE: Reflow Profile with 240°C peak also acceptable.
Output Pin
PIN
Function
Open
Active
Active
Disabled
"0" level Vcc-1.620V Max
"1" level Vcc-1.025V Min
1
2
3
4
5
6
Control Volt
E/D
GND
OUT
COUT
Vcc
Disabled State:
Pin 4 will assume a fixed level of logic "0"
Pin 5 will assume a fixed level of logic "1"
TD-030701 Rev. D
Specifications subject to change without notice.
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
CRYSTEK
CORPORATION
Fax: 239-561-1025 • www.crystek.com