LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
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
REVISED: 03-19-19
High-Stability & Ultra-Low Phase Noise SMD OCXO/ VCOCXO
Pb
20.32 x 12.7 x 11.0mm
RoHS/RoHS II Compliant
MSL = 1
AOC2012 Series ESD Sensitive
Features Applications
•Extremely low long-term aging: ±1ppm over 20 years
•Stability over temperature: ±10ppb over -20°C to +70°C
•Excellent phase noise:
(-135dBc/Hz typ. @ 100Hz offset, -148dBc/Hz typ. @ 1kHz offset)
•10.0MHz, 12.8MHz, 19.44MHz, & 25MHz carrier frequency options
•20.32 x 12.7mm, 4-pin SMD reow-solderable package
•3.3 Vdd supply
•SC-Cut, High “Q” resonator-based design
•Stratum 3 & Stratum 3E compliant
•Cellular infrastructure; Base stations
•Test & measurement equipment
•Switches & routers
•Time & frequency references
•Precision GPS
Part Identication
AOC2012
(1): Fixed Clock or
Voltage Controlled
X: Fixed Clock
V: Voltage Controlled
(2): Vdd
A: 3.3V
(3): Stability over
OTR
J: ±10ppb over
-20°C to +70°C
(4): RF Output
C: CMOS
(5): Output
Frequency in MHz
Please specify the
Frequency in
units of MHz
out to 4 digit
accuracy after the
decimal.
Example:
“10.0000”=10MHz
“12.8000”=12.8MHz
“19.4400”=19.44MHz
“25.0000”=25MHz
(6): Packaging
Blank: Bulk
C: Cut/Tape 50 units
T1: Tape/Reel 100 units
Part Number Example:
AOC2012VAJC-12.8000C
LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
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
REVISED: 03-19-19
High-Stability & Ultra-Low Phase Noise SMD OCXO/ VCOCXO
Pb
20.32 x 12.7 x 11.0mm
RoHS/RoHS II Compliant
MSL = 1
AOC2012 Series ESD Sensitive
Electrical Specications
Parameters Min. Typical Max. Unit Notes
Frequency Range (Fc) 10.0000 25.0000 MHz
Standard Available Frequencies 10.0000, 12.8000, 19.4400, 25.0000 MHz
Operating Temperature Range -20 +70 °C
Storage Temperature Range -40 +100 °C
Supply Voltage (Vdd) +3.135 +3.3 +3.465 V
Power Consumption (warm-up) 2.5 W
Current Consumption (warm-up) 722 mA @ Max Vdd =+3.465V
Power Consumption (steady-state @+25°C) 1.0 W
Current Consumption (steady-state @+25°C) 289 mA @ Max Vdd =+3.465V
Frequency Accuracy (calibration) < ±300 ±500 ppb See Note 1
Frequency Stability over Operating Temperature Range ±10.0 ppb See Note 2
Frequency Stability vs. Supply Voltage Change ±3.0 ppb Vdd±5%; (Vc=constant)
Frequency Stability vs. Load Change ±1.0 ppb Load=15pF±10%
Aging Daily ±1.0 ppb
Aging 1st Year ±100 ppb
Aging 20 Years ±500 ppb
All-Inclusive Frequency Tolerance over 20 Year Product Life ±1.0 ppm See Note 3
Warm-Up Time 3 min. See Note 4
Output Signal LVCMOS
Output Load 13.5 15 16.5 pF
Duty Cycle 45 50 55 % @ 50% Vdd
Output High Voltage (VOH)
Output Low Voltage (VOL)
VOH 0.9*(Vdd)VLoad=15pF±10%;
Vdd=+3.3V
VOL 0.1*(Vdd)
Rise (Tr) / Fall (Tf) Time 6 ns
Center Control Voltage (Vc) +1.65 V
Voltage-Controlled Option
(VCOCXO)
Control Voltage Range +0.0 +3.3 V
Frequency Pullability ±0.7 ppm
Control Port Input Impedance 50 kΩ
EFC Linearity ±10 %
Tuning Slope Positive Monotonic
Phase Noise (@ +25°C)
-115
dBc/Hz
Offset @10Hz
-135 Offset @100Hz
-148 Offset @1kHz
-152 Offset @10kHz
Note 1: @ +25°C; initial set-tolerance frequency (relative to carrier) at time of shipment, pre-reow
Note 2: Over -40°C to +85°C; relative to stabilized frequency after 1 hour of continuous operation, post-reow
Note 3: Over -40°C to +85°C; includes stability over temperature, initial frequency accuracy (calibration), load pulling, power supply variation, and 20 years aging
Note 4: @ +25°C; within ±100ppb of F where F is the stabilized frequency reached after 1 hour of continuous operation
LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
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
REVISED: 03-19-19
High-Stability & Ultra-Low Phase Noise SMD OCXO/ VCOCXO
Pb
20.32 x 12.7 x 11.0mm
RoHS/RoHS II Compliant
MSL = 1
AOC2012 Series ESD Sensitive
Mechanical Dimensions
Pin # Function
#1
Option V:
Voltage-Control (Vc)
Option X:
No Connect
#7 0V & CASE GROUND
#8 Output
#14 Supply Voltage (Vdd)
Dimensions: inches [mm]
LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
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
REVISED: 03-19-19
High-Stability & Ultra-Low Phase Noise SMD OCXO/ VCOCXO
Pb
20.32 x 12.7 x 11.0mm
RoHS/RoHS II Compliant
MSL = 1
AOC2012 Series ESD Sensitive
Recommended Reow Prole [Note 5]
[Note 6]
[Note 8]
[Note 7]
Tp
TL
TL
Tp
TSMIN
TSMAX
Ramp Up
Ramp Down
Critical Zone
TL to Tp
2
3
1
Time
25
Preheat
Temperature
Zone Description Temperature Time
1Preheat / Soak TSMIN ~ TSMAX
150°C ~ 200°C 60 ~ 180 sec.
2Reow TL
217°C 60 ~ 150 sec.
3Peak heat TP
260°C±5°C 20 ~ 40 sec.
Note 5: Can withstand 2 times reow; all temperatures refer to topside of the package, measured on the package body surface
Note 6: Ramp Up Rate (TL à TP) = 3°C / sec. MAX
Note 7: Ramp Down Rate (TP à TL) = 6°C / sec. MAX
Note 8: Time 25°C to Peak Temperature (25°C à TP) = 8 minutes MAX
LL
C
ABRACON IS
ISO9001-2015
CERTIFIED
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
REVISED: 03-19-19
High-Stability & Ultra-Low Phase Noise SMD OCXO/ VCOCXO
Pb
20.32 x 12.7 x 11.0mm
RoHS/RoHS II Compliant
MSL = 1
AOC2012 Series ESD Sensitive
Packaging
C = Cut Tape 50 units
T1 = Tape & Reel 100 units/reel
Dimensions: mm
ATTENTION: Abracon LLC’s products are COTS – Commercial-O-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applica-
tions. Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependent Medical applications or any application requiring high reliability
where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment,
written consent and authorization from Abracon LLC is required. Please contact Abracon LLC for more information.