Oscillators (VCXO) with the enable/disable function
on pad 5. The VKB51B5, VKB52B5, and VKB53B5
are designed for phased lock loop applications
requiring low jitter and tight stability.
RoHS Compliant
3.3V Operation
Overall Frequency Tolerance:
VKB51B5: ±25ppm
VKB52B5: ±50ppm
VKB53B5 : ±100ppm
Low Jitter <1pS RMS
Temperature Range 0° to 70°C
Enable / Disable Pad 5
Leadless Surface Mount Package
Tape and Reel Packaging
Maximum
125
7.0
7.0
Units
°C
Vdc
Vdc
Notes
Absolute Maximum Ratings
Parameter
Storage Temperature
Supply Voltage (Vcc)
Control Voltage (Vc)
Minimum
-55
-0.5
-0.5
Nominal
-
-
-
Operating Specifications
Parameter
Frequency Range (Fo)
Frequency Tolerance
Model VKB51B5
Model VKB52B5
Model VKB53B5
Operating Temperature Range
Supply Voltage (Vcc)
Supply Current (Icc)
1.0 to 29.999 MHz
30 to 52 MHz
Jitter:
(BW=12kHz to 20 MHz)
(BW=10Hz to 20 MHz)
Minimum
1.0
-25
-50
-100
0
3.0
-
-
-
-
Nominal
-
-
-
-
-
3.3
-
-
-
-
Maximum
52
25
50
100
70
3.6
15
25
1
5
Units
MHz
Notes
ppm
°C
Vdc
mA
ps RMS
1
Input Characteristics
Parameter
Minimum
Control Voltage Range (Vc)
0.15
Frequency Pullability
±100
Monotonic Linearity
-10
Input Impedance
-
Modulation Bandwidth (3dB)
10
Enable Input Voltage - High (Vih)
2.7
Disable Input Voltage - Low (Vil)
-
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
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.
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