ClearClock™ | Ultra-Low Jitter & Power Optimized 3.2 x 2.5 mm XO
AX3
3.2 x 2.5 x 1.0 mm
R
o
HS/RoHS
II
Compliant
MSL = 1
ESD Sensitive
Pb
Features
• Exceptionally Low RMS Jitter: < 80fs Typ (150fs Max @ 156.25MHz)
• Available in industry standard frequencies between 100MHz and 200MHz
• Lowest power consumption in its class (16mA Typ LVDS @ 156.25MHz)
• ±25ppm stability over industrial operating temperature (-40 to +85ºC)
• 3.3V, 2.5V, 1.8V supply voltage options
• LVPECL, LVDS, HCSL differential outputs
• Industry standard 3.2 x 2.5 x 1.0 mm footprint
• Available in Abracon’s Global Distribution Network
Applications
• PCI Express
• 10G/40G/100G optical Ethernet
• Networking & communication
• RF systems, base stations (BTS)
• Data center
• Test & measurement
Options and Part Identification
[Note 1]
AX3
(1): Output
P: LVPECL
D: LVDS
H: HCSL
(6): Packaging
(3): Stability over OTR
D: ±15ppm over -20°C to +70°C
F: ±25ppm over -40°C to +85°C
Blank: Bulk*
T: Tape & Reel 1,000 units
T3: Tape & Reel 3,000 units
(*) MOQ: 250 units
A: 3.3V
B: 2.5V
C: 1.8V
(*)
(*) Excluding
LVPECL
(2): V
dd
(4): OE Function
1: OE Pin 1; Active High
2: OE Pin 1; Active Low
3: OE Pin 2; Active High
4: OE Pin 2; Active Low
(5): Output Frequency
in MHz
Please specify the frequency in
units of MHz out to
4 digit
accuracy after the decimal.
Example:
“156.2500”=156.25MHz
Part Number Example:
AX3PAD1-156.2500T
Note 1: Contact Abracon for non-standard configurations and/or requests with carrier frequency callouts up to 5 & 6 digit accuracy after the decimal.
LLC
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
ABRACON IS
REVISED:
05.10.2019
ISO9001-2015
CERTIFIED
ClearClock™ | Ultra-Low Jitter & Power Optimized 3.2 x 2.5 mm XO
AX3
3.2 x 2.5 x 1.0 mm
R
o
HS/RoHS
II
Compliant
MSL = 1
ESD Sensitive
Pb
Electrical Characteristics
Parameters
Frequency Range
Supply Voltage (V
dd
)
Supply Current (I
dd
)
Operating Temperature Range
Storage Temperature
Frequency Accuracy (Initial Set-Tolerance) at time of
shipment (Pre-Reflow) @ +25°C
Frequency Stability over Operating Temperature Range
(Relative to Post Reflow Frequency)
Aging over 20 Year Product Life
[Note 3, 4]
All-Inclusive Frequency Accuracy (Total Stability)
over 20 Year Product Life
[Note 3]
Rise (Tr) / Fall (Tf) Time (20% to 80% V
pp
)
Duty Cycle
Startup Time
[Note 3]
LVPECL
Output High Voltage (V
OH
)
Output Low Voltage (V
OL
)
LVDS
HCSL
Output
Enable & Disable Control
Output Enable Time
Output Disable Time
Output Disable Current Consumption
RMS Phase Jitter (12kHz-20MHz BW)
Note 2:
Note 3:
Note 4:
[Note 2]
Min.
100
2.97
2.37
1.71
LVPECL
LVDS
HCSL
-20
-40
-55
-10
-15
-25
-15
-40
-50
Typ.
Max.
200
Unit
MHz
Notes
3.3
2.5
1.8
30
16
17
3.63
2.62
1.89
50
27
30
+70
+85
+150
+10
+15
+25
+15
+40
+50
500
55
5
V
dd
-0.60
V
dd
-1.60
1.60
0.85
0.15
0.3*(V
dd
)
10
0.2
< 10
V
mA
°C
°C
ppm
ppm
ppm
ppm
ps
%
ms
Option A
Option B
Option C
Max. @ 200MHz; 3.3V
Max. @ 200MHz; 3.3V
Max. @ 200MHz; 3.3V
Option “D”
Option “F”
Relative to carrier
Over -20°C to +70°C
Over -40°C to +85°C
Over -20°C to +70°C
Over -40°C to +85°C
20% to 80% V
pp
< ±5
300
45
<2
V
OH
V
OL
V
OH
V
OL
V
OH
V
OL
0.9
0.66
-0.15
0.7*(V
dd
)
V
dd
-1.03
V
dd
-1.85
1.40
1.10
0.74
0
50Ω to V
dd
–2.0V or
Thevenin equivalent
V
100Ω between
OUT-P and OUT-N
50Ω to Ground
V
ms
μs
μA
fs
OE ≤ 0.3V
@156.25MHz, 3.3V, LVPECL
Output Enable; or No Connect
Output Disable; High Impedance
≤ 75
150
Supply Voltage (V
dd
) = 1.8V option not available with LVPECL output
Relative to initial measured frequency @ +25°C
Includes temperature stability, initial frequency accuracy, load pulling, power supply variation, and 20 year aging
LLC
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
ABRACON IS
REVISED:
05.10.2019
ISO9001-2015
CERTIFIED
ClearClock™ | Ultra-Low Jitter & Power Optimized 3.2 x 2.5 mm XO
AX3
3.2 x 2.5 x 1.0 mm
R
o
HS/RoHS
II
Compliant
MSL = 1
ESD Sensitive
Pb
RMS Phase Jitter (12kHz -20MHz BW) | V
dd
= 3.3V
Frequency
(MHz)
Output
HCSL
153
211
304
264
239
122
228
198
138
91
186
154
158
154
153
121
113
75
115
70
140
140
RMS Jitter
Typ. (fs)
Max (fs)
200
300
500
500
500
200
300
300
200
150
300
200
200
200
200
150
150
150
150
150
200
200
100
LVPECL
LVDS
LVPECL
LVDS
HCSL
LVPECL
LVDS
HCSL
114.285
122.88
125
LVPECL
LVDS
LVPECL
LVDS
LVPECL
LVDS
LVPECL
HCSL
LVPECL
LVDS
LVDS
148.5
150
155.52
156.25
200
LVPECL
HCSL
LLC
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
ABRACON IS
REVISED:
05.10.2019
ISO9001-2015
CERTIFIED
ClearClock™ | Ultra-Low Jitter & Power Optimized 3.2 x 2.5 mm XO
AX3
Phase Noise Test Setup
[Note 5]
•
•
•
•
•
•
•
Keysight E5052B Signal Source Analyzer
Integration Bandwidth = 12kHz to 20MHz
Spurious Activity (entire plot trace) = Not Omitted (Normalized in dBc/Hz)
Specifed Spur Omission Function = Not Enabled
IF Gain = 20dB
Correlation = 5
Average = 3
F=156.2500MHz | V
dd
=3.3V | LVPECL
RMS Phase Jitter = 75 fs
F=156.2500MHz | V
dd
=3.3V | HCSL
RMS Phase Jitter = 113 fs
3.2 x 2.5 x 1.0 mm
R
o
HS/RoHS
II
Compliant
MSL = 1
ESD Sensitive
Pb
F= 156.2500MHz | V
dd
=3.3V | LVDS
RMS Phase Jitter = 115 fs
Note 5: Contact Abracon for phase noise plots at any desired combination of V
dd
, differential output format, and carrier frequency within the available range
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
ABRACON IS
LLC
REVISED:
05.10.2019
ISO9001-2015
CERTIFIED
ClearClock™ | Ultra-Low Jitter & Power Optimized 3.2 x 2.5 mm XO
AX3
3.2 x 2.5 x 1.0 mm
R
o
HS/RoHS
II
Compliant
MSL = 1
ESD Sensitive
Pb
Representative Phase Noise Plots
F=100.0000MHz | V
dd
=3.3V | LVPECL
RMS Phase Jitter = 211 fs
F= 100.0000MHz | V
dd
=3.3V | LVDS
RMS Phase Jitter = 304 fs
F= 100.0000MHz | V
dd
=3.3V | HCSL
RMS Phase Jitter = 153 fs
Note 5: Contact Abracon for phase noise plots at any desired combination of V
dd
, differential output format, and carrier frequency within the available range
5101 Hidden Creek Ln Spicewood TX 78669
Phone: 512-371-6159 | Fax: 512-351-8858
For terms and conditions of sales, please visit:
www.abracon.com
ABRACON IS
LLC
REVISED:
05.10.2019
ISO9001-2015
CERTIFIED
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