high performance general purpose oscillator ic

HIGH PERFORMANCE GENERAL PURPOSE OSCILLATOR IC
ABX1027
1.8V-3.3V, 5MHz to 60MHz XO IC
FEATURES
DESCRIPTION
• Wide frequency oscillator design.
• Single IC to cover up to 60MHz output frequency.
• Input Frequency:
o Fundamental Crystal: 5MHz to 60MHz
o Reference Clock: 5MHz to 60MHz
• Output Frequency: 5MHz to 60MHz
• Very low Jitter and Phase Noise
• Low current consumption
• Single 1.8V, 2.5V, or 3.3V ± 10% power supply
• Operating temperature range from -40°C to 85°C
The ABX1027 is a high performance general purpose
oscillator IC for outputs up to 60MHz. Designed to fit
in a small 2 x 1.3mm DFN or 3 x 3mm SOT23
package, the PL610 offers the best phase noise and
jitter performance and lowest power consumption of
any comparable IC.
BLOCK DIAGRAM
XIN
XTAL
OSC
XOUT
CLK
PACKAGE PIN CONFIGURATION
XIN/FIN
OE^
GND
1
2
3
6
5
4
OE^
1
6
CLK
VDD
GND
2
5
VDD
CLK
XIN/FIN
3
4
XOUT
XOUT
DFN-6L
SOT23-6L
(2.0mmx1.3mmx0.6mm)
(3.0mmx3.0mmx1.35mm)
PACKAGE PIN ASSIGNMENT
Name
Pin Assignment
DFN
SOT
Pin#
Pin#
Type
Description
XIN/FIN
1
3
I
Crystal or Reference Clock input pin
OE
2
1
I
Output Enable (OE) input
GND
3
2
P
GND connection
CLK
4
6
O
Clock Output
VDD
5
5
P
VDD connection
XOUT
6
4
O
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Crystal Output pin
Do Not Connect (DNC ) when FIN is present
Visit www.abracon.com for Terms & Conditions of Sale Revised: 08.14.07
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
HIGH PERFORMANCE GENERAL PURPOSE OSCILLATOR IC
ABX1027
1.8V-3.3V, 5MHz to 60MHz XO IC
LAYOUT RECOMMENDATIONS
The following guidelines are to assist you with a performance optimized PCB design:
Signal Integrity and Termination
Considerations
Decoupling and Power Supply
Considerations
- Keep traces short!
- Place decoupling capacitors as close as possible to the
VDD pin(s) to limit noise from the power supply
- Trace = Inductor. With a capacitive load this equals ringing!
- Long trace = Transmission Line. Without proper termination
this will cause reflections ( looks like ringing ).
- Multiple VDD pins should be decoupled separately for
best performance.
- Addition of a ferrite bead in series with VDD can help
prevent noise from other board sources
- Design long traces as “striplines” or “microstrips” with
defined impedance.
- Value of decoupling capacitor is frequency dependant.
Typical values to use are 0.1? F for designs using crystals <
50MHz and 0.01? F for designs using crystals > 50MHz.
- Match trace at one side to avoid reflections bouncing back
and forth.
Typical CMOS termination
Place Series Resistor as close as possible to CMOS output
CMOS Output Buffer
To CMOS Input
( Typical buffer impedance 20
50
line
Series Resistor
Use value to match output
buffer impedance to 50
trace. Typical value 30
Series and parallel capacitors used to fine tune the crystal load to the circuit load.
Crystal
Cst
XIN
XOUT
1
Cpt
8
Cpt
– Series Capacitor, used to lower circuit load to match crystal load. Raises frequency
offset. This can be eliminated by using a crystal with a Cload of equal or greater value than the
oscillator.
– Parallel Capacitors, Used to raise the circuit load to match the crystal load. Lowers
frequency offset.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale Revised: 08.14.07
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
HIGH PERFORMANCE GENERAL PURPOSE OSCILLATOR IC
ABX1027
1.8V-3.3V, 5MHz to 60MHz XO IC
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
SYMBOL
MIN.
MAX.
UNITS
V DD
-0.5
4.6
V
Input Voltage Range
VI
-0.5
V DD +0.5
V
Output Voltage Range
VO
-0.5
V DD +0.5
V
Storage Temperature
TS
-65
150
?C
-40
85
?C
Supply Voltage Range
Ambient Operating Temperature
Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the device
and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions above
the operational limits noted in this specification is not implied.
AC SPECIFICATIONS
PARAMETERS
CONDITIONS
MIN.
TYP.
MAX.
UNITS
Crystal Input Frequency (XIN)
Fundamental Crystal
5
60
MHz
Output Frequency
@ Vdd=1.8V-3.3V
5
60
MHz
VDD Sensitivity
Frequency vs. VDD+/-10%
-2
2
ppm
Output Rise Time
15pF Load, 10/90%VDD, High Drive, 3.3V
1
1.2
ns
Output Fall Time
15pF Load, 90/10%VDD, High Drive, 3.3V
1
1.2
ns
50
55
%
Duty Cycle
45
DC SPECIFICATIONS
PARAMETERS
Supply Current, Dynamic,
with Loaded CMOS Output
SYMBOL
I DD
CONDITIONS
TYP.
MAX.
UNITS
@Vdd=3.3V,25MHz, load=15pF
3.4
mA
@Vdd=2.5V,25MHz, load=10pF
2.1
mA
@Vdd=1.8V,25MHz, load=5pF
0.9
mA
@Vdd=1.8V,2.0MHz, load=5pF
0.65
mA
Operating Voltage
V DD
Output Low Voltage
V OL
I OL = +4mA Standard Drive
Output High Voltage
V OH
I OH = -4mA Standard Drive
Output Current, Low Drive
I OLD
Output Current, Standard
Output Current, High Drive
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
MIN.
1.62
2.5
3.63
V
0.4
V
V DD – 0.4
V
V OL = 0.4V, V OH = 2.4V
4
mA
I OSD
V OL = 0.4V, V OH = 2.4V
8
mA
I OHD
V OL = 0.4V, V OH = 2.4V
16
mA
Visit www.abracon.com for Terms & Conditions of Sale Revised: 08.14.07
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
HIGH PERFORMANCE GENERAL PURPOSE OSCILLATOR IC
ABX1027
1.8V-3.3V, 5MHz to 60MHz XO IC
CRYSTAL SPECIFICATIONS
PARAMETERS
Fundamental Crystal Resonator Frequency
Crystal Loading Rating
SYMBOL
MIN.
F XIN
5
TYP.
MAX.
UNITS
60
MHz
12
C L (xtal)
pF
Maximum Sustainable Drive Level
100
Operating Drive Level
?W
?W
25
Crystal Shunt Capacitance
C0
3
pF
Effective Series Resistance
ESR
50
?
PACKAGE DRAWINGS (GREEN PACKAGE COMPLIANT)
SOT23-6 L
Symbol
A
A1
A2
b
c
D
E
H
L
e
Dimension in MM
Min.
Max.
1.05
1.35
0.05
0.15
1.00
1.20
0.30
0.50
0.08
0.20
2.80
3.00
1.50
1.70
2.60
3.0
0.35
0.55
0.95 BSC
Pin1 Dot
E
H
D
A2 A
A1
C
b
e
L
DFN-6L
D1
Symbol
A
A1
A3
b
e
D
E
D1
E1
L
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Dimension in MM
Min.
Max.
0.50
0.60
0.00
0.05
0.152
0.152
0.15
0.25
0.40BSC
1.25
1.35
1.95
2.05
0.75
0.85
0.95
1.05
0.20
0.30
b
e
D
Pin 6 ID
Chamfer
E
E1
L
Pin1 Dot
A A1
A3
Visit www.abracon.com for Terms & Conditions of Sale Revised: 08.14.07
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
HIGH PERFORMANCE GENERAL PURPOSE OSCILLATOR IC
ABX1027
1.8V-3.3V, 5MHz to 60MHz XO IC
ORDERING INFORMATION (GREEN PACKAGE COMPLIANT)
For part ordering, please contact our Sales Department:
30332 Esperanza., Rancho Santa Margarita, Ca 92688
Ph: 949-546-8000 Fax: 949-546-8001
PART NUMBER
The order number for this device is a combination of the following:
Part number, Package type and Operating temperature range
ABX1027- X X X
PART NUMBER
PACKAGE TYPE
T=SOT23-6L
G=DFN-6L
NONE= TUBE
R=TAPE and REEL
TEMPERATURE
C=COMMERCIAL
I=INDUSTRIAL
Part/Order Number
ABX1027GC-R
ABX1027TC-R
†
Marking†
E27
61027
Package Option
6-Pin DFN (Tape and Reel)
6-Pin SOT-23 (Tape and Reel)
Note: ‘XXX’ designates marking identifier that could be independent of the part number.
Abracon Corporation, reserves the right to make changes in its products or specifications, or bo th at any time without notice. The information
furnished by Abracon is believed to be accurate and reliable. However, Abracon makes no guarantee or warranty concerning the a ccuracy of said
information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product.
LIFE SUPPORT POLICY: ABRACON’s products are not authorized for use as critical components in life support devices or systems without the
express written approval of the President of Abracon Corporation.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale Revised: 08.14.07
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com