Datasheet

UJ Series Crystal Clock Oscillator (XO)
2.5 x 2.0 x 0.9mm
UJ
1.8V Clipped Sinewave Low Jitter XO
Package:
2.5 x 2.0mm Ceramic SMD
Recommended Land Pattern:
Product Features
• Very low Phase Jitter-2ps RMS (10kHz-5MHz)
• Low output current - 2mA Max
• Low power standby mode - 10mA Max
• Low Output Harmonic level
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
• RoHS Compliant
Pin Functions:
Product Description
This is an enhanced 1.8V crystal clock clipped
sine oscillator with superb phase jitter, low
output harmonics and operating current for WiFi
/Bluetooth wireless module and smart phone
applications
Pin
Function
1
OE Function
2
Ground
3
Clock Output
4
V DD
Applications
• WiFi/Bluetooth wireless module
• Smart phone
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:
UM
J XXX YYYY
YYYY = Specification�Code
XXX = Frequency�Code
Product�Family
SaRonix-eCera™ is a Pericom® Semiconductor company
11-0020
•
US: +1-408-435-0800 TW: +886-3-4518888 • www.saronix-ecera.com
All specifications are subject to change without notice.
UJ 1.8 REV2011_June09_10.5
1
1.8V Clipped Sinewave Low Jitter XO
UJ
UM Series Crystal Clock Oscillator (XO)
2.5 x 2.0 x 0.9mm
Electrical Performance
Parameter
Min.
Output Frequency
Typ.
1
Supply Voltage
1.62
1.8
Supply Current, Output Enabled
Supply Current, Standby Mode
Output Voltage
Units
50
MHz
1.98
V
2
mA
10
mA
±20 to ±50
ppm
-20
+70
°C
-40
+85
Frequency Stability
Operating Temperature Range
Max.
0.4
0.9
Output Load
See Note 1 below
Commercial (standard)
Industrial (standard)
Vp-p
10/10
Duty Cycle
Notes
pF/kW
45
Jitter, Phase
55
%
2
ps RMS
Measured 50% of V DD
1-s, 10kHz to 5 MHz frequency band
Notes:
1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),
aging (5 year at 40°C average effective ambient temperature), shock and vibration.
2. For specifications othere than those listed, please contact sales.
Output Enable / Disable Function
Parameter
Min.
Input Voltage (pin 1), Output Enable
Typ.
Max.
0.7 V DD
Units
Notes
V
Input Voltage (pin 1), Output Disable (low power standby)
0.3 V DD
V
Output Disable Delay
100
ns
Output Enable Delay
10
ms
Output is Hi-Z
Absolute Maximum Ratings
Parameter
Min.
Storage Temperature
-55
For the latest product information visit:
For test circuit go to:
Typ.
Max.
Units
+125
°C
Notes
http://www.pericom.com/products/timing/oscillators/UJ_1.8V/
http://www.pericom.com/pdf/sre/tc_clipsine2.pdf
For soldering reflow profile and reliability test ratings go to: http://www.pericom.com/pdf/sre/reflow2.pdf
For tape and reel information go to: http://www.pericom.com/pdf/sre/tr_2520_xo.pdf
SaRonix-eCera™ is a Pericom® Semiconductor company
11-0020
•
US: +1-408-435-0800 TW: +886-3-4518888 • www.saronix-ecera.com
All specifications are subject to change without notice.
UJ 1.8 REV2011_June09_10.5
2