VKB41B2, VKB42B2, VKB43B2
VCXO
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
US Headquarters:
630-851-4722
European Headquarters:
+353-61-472221
3.3V Surface Mount
5.0mm x 7.5mm Oscillators
Features:
•
RoHS Compliant
•
3.3V Operation
•
Overall Frequency Tolerance:
VKB41B2: ±25ppm
VKB42B2: ±50ppm
VKB43B2: ±100ppm
•
Low Jitter <1pS RMS
•
Temperature Range -10° to 70°C
•
Enable / Disable Pad 2
•
Leadless Surface Mount Package
•
Tape and Reel Packaging
The Connor-Winfield, RoHS compliant, VKB41B2,
VKB42B2, and VKB43B2 are hermetically sealed,
Surface Mount, 3.3V Voltage Controlled Crystal
Oscillators (VCXO) with the enable/disable function
on pad 2. The VKB41B2, VKB42B2, and VKB43B2
are designed for phased lock loop applications
requiring low jitter and tight stability.
Parameter
Storage Temperature
Supply Voltage (Vcc)
Control Voltage (Vc)
Absolute Maximum Ratings
Minimum
-55
-0.5
-0.5
Nominal
-
-
-
Maximum
125
7.0
Vcc
Units
°C
Vdc
Vdc
Notes
Operating Specifications
Parameter
Minimum
Nominal
-
-
-
-
-
3.3
-
-
-
-
Maximum
52
25
50
100
70
3.6
15
25
1
5
Units
MHz
ppm
°C
Vdc
mA
ps RMS
Notes
Frequency Range (Fo)
1.0
Frequency Tolerance
Model VKB41B2
-25
Model VKB42B2
-50
Model VKB43B2
-100
Operating Temperature Range
-10
Supply Voltage (Vcc)
3.0
Supply Current (Icc)
1.0 to 29.999 MHz
-
30 to 52 MHz
-
Jitter:
Phase Jitter (BW=12kHz to 20 MHz) -
Period Jitter
-
1
Input Characteristics
Parameter
Control Voltage Range (Vc)
Frequency Pullability
Monotonic Linearity
Input Impedance
Modulation Bandwidth (3dB)
Enable Input Voltage - High (Vih)
Disable Input Voltage - Low (Vil)
Minimum
0.15
±100
-10
-
10
2.7
-
Nominal
1.65
-
-
100K
-
-
-
Maximum
3.15
-
10
-
-
-
0.3
Units
Vdc
ppm
%
Ohm
kHz
Vdc
Notes
2
3
LVCMOS Output Characteristics
Parameter
Load
Voltage High (Voh)
Low (Vol)
Current High (loh)
Low (lol)
Duty Cycle at 50% of Vcc
Rise / Fall Time 10% to 90%
Start-up Time
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.
Minimum
-
2.7
-
-4
-
45
-
-
Nominal
-
-
-
-
-
50
-
-
Maximum
15
-
0.33
-
4
55
5
10
Units
pf
Vdc
mA
%
nS
mS
Notes
Bulletin
Page
Revision
Date
Vx351
1 of 2
03
28 April 2014
Notes:
1. Referenced to (Fo) measured with control voltage @ 1.65Vdc. Inclusive of frequency vs. temperature stability, supply voltage change, load change, shock and
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
Package Characteristics
Package
Hermetically sealed, ceramic leadless package.
.295
(7.5mm)
#5
0.055
(1.4mm)
#4
#4
#5
#6
#6
.197
(5.0mm)
VKB41B2
44.736M
4C
#1
#2
#3
0.102
(2.6mm)
#3
#2
#1
Pin Function
1: Control Voltage (Vc)
2: Tri-state Enable /Disable
3: Ground
4: Output
5: N/C
6: +Supply (Vcc)
.070
(1.80mm)
Dimensional ±.02" (±0.5mm)
Tolerance: ±.008" (±0.2mm)
TORS
Suggested Pad Layout
0.200
(5.08mm)
A
Test Circuit
OSCILLOSCOPE
N/C
Output Waveform
TF
TR
"1" LEVEL
PROBE
0.100
(2.54mm)
0.079
(2.0mm)
VDD
POWER
SUPPLY
90%
50%
FREQ
COUNTER
V
.01uf
6 5
4
CL
3
E/D
OSC
1 2
0.165
(4.2mm)
C–by
GROUND
0.070
(1.8mm)
Bypass capacitor, C–by, should be
ceramic capacitor
≥
.01uf.
INPUT for C/V
10%
SYMMETRY
"0" LEVEL
Solder Profile
Temperature
260°C
260°C
220°C
180°C
150°C
Tape and Reel Dimensions
(17.5mm)
.69
PIN 1
.08
(7.9mm)
120°C
.31
(2.0mm)
.08
(2.0mm)
7.48 DIA
(190mm)
9.84 DIA
120
.511 DIA
(13mm)
(250mm)
(5.4mm)
.21
0
10 s
Up to 120 s
60 to 90 s
Typical
Typical
Meets IPC/JEDEC J-STD-020C
(4.0mm)
.157
(8.0mm)
3.15
(8.0mm)
.315
.06 DIA
(1.5mm)
.826 DIA
(21mm)
(1.0mm)
.039 R
Ordering Information
VKB41B2 - 44.736 MHz
.295
(7.5mm)
MEETS EIA—481A and EIAJ—1009B
2,000 PCS/REEL
Dimensional Tolerance:
±.02" (.508mm)
±.005" (.127mm)
.07
(1.75mm)
.63
(16.0mm)
VCXO
SERIES
CENTER
FREQUENCY
Bulletin
Page
Revision
Date
Vx351
2 of 2
03
28 April 2014
Specifications subject to change without notification. See Connor-Winfield's website for latest revision. All dimensions in inches.
© Copyright 2014 The Connor-Winfield Corporation
Not intended for life support applications.