OCO-SMAS
SMD OCXO
Sine wave
Applications: GPS, CDMA, 3G, networking, instrumentation
SMD packaged precision OCXO
High frequency stability vs. temperature
Supply voltage: 3.3 V or 5.0 V
Features
Specification
Parameter
OCO-SMAS3
OCO-SMAS5
Frequency range
10.0000 ~ 40.0000 MHz
Standard frequencies
10.000, 12.800, 13.00, 20.000, 25.600, 26.000, 32.768 & 40.000 MHz
≤ ±2 x 10-8
≤ ±1 x 10-8
≤ ±1 x 10-9
≤ ±3 x 10-9
≤ ±3 x 10-9
≤ ±3 x 10-8
< 2 x 10-11
sine wave
50 Ω
over -40 ~ +70 °C
over -20 ~ +70 °C
over 0 ~ +50 °C
±5 %
Frequency stability
vs. operating temperature range
vs. supply voltage change
vs. load change
±5 %
1st year
vs. aging after 30 days of operation
Short term stability
Allan deviation per 1 s
> 225 mV (rms)
±10 %
Output waveform
Output load
Supply voltage
+3.3 V ±5 %
+5.0 V ±5 %
Peak current consumption during warm-up time
Steady-state current consumption @ +25 °C
Warm-up time
< 750 mA
< 300 mA
< 600 mA
< 200 mA
< 3 min
> ±0.5 x 10-7
0 ~ +2.8 V
< ±1 x 10-7 @ +25 °C
positive slope
Frequency pulling range
Vcontrol (Vc) via external voltage
Vcontrol (Vc) via external potentiometer
Reference voltage output (Vref)
Phase noise @ 10 MHz carrier frequency
0 ~ +4.5 V
20 kΩ
+2.8 V
< -120 dBc/Hz
+4.5 V
@
@
@
@
@
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
< -135 dBc/Hz
< -145 dBc/Hz
< -150 dBc/Hz
< -155 dBc/Hz
Operating temperature range
Storage temperature range
Case height (H)
0 ~ +55 °C, -20 ~ +70 °C or -40 ~ +70 °C
-55 ~ +85 °C
14.0 mm
Pin function
# 1 Vc
# 2 Vref
# 3 Vdc
# 4 RF output
# 5 not connected
# 6 not connected
# 7 GND
Example for IR reflow soldering temperature
2002/95/EC RoHS compliant
11 Dec. 10
QuartzCom AG
sales@quartzcom.com
QuartzCom Asia
sales-asia@quartzcom.com
QuartzCom USA
sales-usa@quartzcom.com
www.quartzcom.com