Specifications subject to change without notice. All dimensions in inches. Copyright 1998 The Connor-Winfield Corporation
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
3.3V Surface Mount
5.0mm x 7.5mm Oscillators
VKB51B2, VKB52B2, VKB53B2
VCXO
The Connor-Winfield, RoHS compliant, VKB51B2,
VKB52B2, and VKB53B2 are hermetically sealed,
Surface Mount, 3.3V Voltage Controlled Crystal
Oscillators (VCXO) with the enable/disable function
on pad 2. The VKB51B2, VKB52B2, and VKB53B2
are designed for phased lock loop applications
requiring low jitter and tight stability.
Operating Specifications
Parameter
Minimum
Nominal
Maximum
Units
Notes
Frequency Range (Fo)
1.0
-
52
MHz
Frequency Tolerance
Model VKB51B2
-25
-
25
Model VKB52B2
-50
-
50
ppm
1
Model VKB53B2
-100
-
100
Operating Temperature Range
0
-
70
°C
Supply Voltage (Vcc)
3.0
3.3
3.6
Vdc
Supply Current (Icc)
1.0 to 29.999 MHz
-
15
30 to 52 MHz
-
25
mA
Jitter:
(BW=12kHz to 20 MHz)
-
1
ps RMS
(BW=10Hz to 20 MHz)
-
5
Absolute Maximum Ratings
Parameter
Minimum
Nominal
Maximum
Units
Notes
Storage Temperature
-55
-
125
°C
Supply Voltage (Vcc)
-0.5
-
7.0
Vdc
Control Voltage (Vc)
-0.5
-
Vcc
Vdc
Features:
RoHS Compliant
3.3V Operation
Overall Frequency Tolerance:
VKB51B2: ±25ppm
VKB52B2: ±50ppm
VKB53B2: ±100ppm
Low Jitter <1pS RMS
Temperature Range 0° to 70°C
Enable / Disable Pad 2
Leadless Surface Mount Package
Tape and Reel Packaging
Notes:
1. Referenced to (Fo) measured with control voltage @ 1.65Vdc. Inclusive of frequency vs. temperature stability, supply voltage change, load change, shock and
vibration, 15 years aging.
2. Referenced to Fo at T=25°C Positive Slope
3. The Output is enabled with no connection on the enable pin.
Specifications subject to change without notice. All dimensions in inches. Copyright 1998 The Connor-Winfield Corporation
Bulletin
Vx265
Page
1 of 2
Revision
08
Date
16 Dec 2003
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
Input Characteristics
Parameter
Minimum
Nominal
Maximum
Units
Notes
Control Voltage Range (Vc)
0.15
1.65
3.15
Vdc
Frequency Pullability
±100
-
ppm
2
Monotonic Linearity
-10
-
10
%
Input Impedance
-
50K
-
Ohm
Modulation Bandwidth (3dB)
10
-
kHz
Enable Input Voltage - High (Vih)
2.7
-
Vdc
3
Disable Input Voltage - Low (Vil)
-
0.3
HCMOS Output Characteristics
Parameter
Minimum
Nominal
Maximum
Units
Notes
Load
-
15
pf
Voltage High (Voh)
2.7
-
Vdc
Low (Vol)
-
0.33
Current High (loh)
-4
-
mA
Low (lol)
-
4
Duty Cycle at 50% of Vcc
45
50
55
%
Rise / Fall Time 10% to 90%
-
5
nS
Start-up Time
-
10
mS