PRBST1122 Datasheets

ASSP VCXO
Application Specific Voltage Controlled
Crystal Oscillator 7.0 x 5.0mm
PRBST1122
3.3V PECL 122.88MHz Base Station VCXO
ASSP VCXO™
7.0 x 5.0mm Ceramic SMD
for Base Station
Package:
Product Features
Recommended Land Pattern:
• Very low Pk to Pk jitter - 50ps Max
• Low supply current - 90mA Max
• Low power standby mode
• RoHS Compliant
Product Description
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
This is an enhanced 3.3V, 122.88MHz
with superb jitter and low operating current
for providing clock references in base
station applications.
Pin Functions:
Applications
• Base Station
Pin
Function
1
Voltage Control
2
Enable/Disable
3
Ground
4
Output
5
Output
6
VCC
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
*Extended high frequency power decoupling is recommended (see test circuit for minimum
recommendation). To ensure optimal performance, do not route RF traces beneath the
package.
Part Ordering Information:
PRBST1122
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888 • www.pericom.com
11-0008
All specifications are subject to change without notice.
PRBST1122
Rev 04
02/25/11 1
3.3V PECL 122.88MHz Base Station VCXO PRBST1122
ASSP VCXO
Application Specific Voltage Controlled
Crystal Oscillator 7.0 x 5.0mm
Electrical Performance
Parameter
Min.
Typ.
Output Frequency
Max.
Units
122.880
Supply Voltage VCC
3.135
3.3
Supply Current, Output Enabled
Frequency Stability
Operating Temperature Range
-40
Output Logic 0, VOL
3.465
V
90
mA
±50
ppm
+85
°C
VCC - 1.62
V
VCC - 1.025
Output Logic 1, VOH
See Note 1 below
V
Output Load
50
Duty Cycle
Notes
MHz
From outputs to VCC -2V DC
ohms
45
Measured 50% VCC
55
%
Rise and Fall Time
5
ns
Measured 20/80% of waveform
Jitter, Phase
1
ps, RMS(1-s)
12kHz~20MHz Frequency Band
Jitter, Peak to Peak
40
ps, Pk-Pk
100.000 Random Periods
Phase Noise
-65
-50
dBc/Hz
At 10Hz offset
Phase Noise
-90
-85
dBc/Hz
At 100Hz offset
Phase Noise
-120
-115
dBc/Hz
At 1kHz offset
Phase Noise
-130
-125
dBc/Hz
At 10kHz offset
Phase Noise
-135
-130
dBc/Hz
At 100kHz offset
Notes:
1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),
aging (5 years at +40°C average effective ambient temperature), shock and vibration.
2. For specifications other than those listed, please contact sales.
Voltage Control Function
Max.
Units
Pullability
Parameter
Min.
±80
± 140
ppm
Control Voltage Range
0.3
3.0
V
V
For RMT Nominal Frequency
10
%
Positive Transfer Slope
kΩ
Control Voltage Pin
Center Control Voltage
Typ.
1.65
Monotonic Linearity
Input Impedance
130
Notes
As rated
Output Enable / Disable Function
Parameter
Min.
Typ.
Input Voltage (pin 2), Output Enable
Input Voltage (pin 2), Output Disable (low power standby)
Max.
Units
VOL
V
or open
V
Output is Hi-Z
VOH
Notes
Absolute Maximum Ratings
Parameter
Storage Temperature
Min.
Typ.
-55
Max.
Units
+125
°C
Notes
For the latest product information visit: http://www.pericom.com/products/timing/oscillators/PRBST1122/
For test circuit go to: http://www.pericom.com/pdf/sre/tc_vc_pecl.pdf
For soldering reflow profile and reliability test ratings go to: http://www.pericom.com/pdf/sre/reflow.pdf
For tape and reel information go to: http://www.pericom.com/pdf/sre/tr_7050_xo.pdf
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888 • www.pericom.com
11-0008
All specifications are subject to change without notice.
PRBST1122
Rev 04
02/25/11 2