OCXOWTOven Controlled Crystal Oscillator
HC-MOS Output
3.3 V Power Supply
Tight Stability
up to 20 MHz
FREQUENCY STABILITY
OVER:
OPERATING TEMP. RANGE :
LONG TERM AGING 1ST YEAR:
10 YEARS:
NOTE 1
OCXOWT-AR1, AV3
0 to +60 °C
0.075 ppm
see note 1
TEMP. RANGE *
STABILITY *
<
<
<
<
0.7 ppm *
4.0 ppm *
0.1 ppm *
0.01 ppm
(0.15 ppm peak to peak)
SUPPLY VOLTAGE 0.15 V
LOAD 10%:
OCXOWT-BR1, BV3
-20 to +70 °C
0.15 ppm
TEMP. RANGE *
STABILITY *
POWER SUPPLY
SUPPLY INPUT:
(0.3 ppm peak to peak)
Vcc = 3.3 V 0.15 V *
< 100 mA @ +30 °C *
< 160 mA @ -20 °C *
INPUT CURRENT :
INPUT CURRENT :
OCXOWT-CR1, CV3
-40 to +85 °C
0.25 ppm
TEMP. RANGE *
STABILITY *
FREQUENCY CONTROL RANGE
(0.5 ppm peak to peak)
CONTROL VOLTAGE:
FREQUENCY DEVIATION:
RESPONSE SLOPE:
see note 2
> 4 ppm *
positive
NOTE 2
OCXOWT-AR1, BR1, CR1
ADJUSTMENT
OUTPUT
WITH RESISTOR
(connected to ground)
INPUT IMPEDANCE
0 to 10 k
> -4.7 k
Ω
OUTPUT SIGNAL:
SYMMETRY:
HC-MOS compatible
40 (min.) /60 (max.)
% @ Vcc / 2 *
Ω
tr < 7ns tf < 7 ns *
< 0.4 V > Vcc –0.5 V
10 LS
RISE AND FALL TIME:
LEVEL „0“ AND „1“:
FAN OUT (LOAD):
OCXOWT-AV3, BV3, CV3
ADJUSTMENT
WITH VOLTAGE
0 to 3.3 V
INPUT IMPEDANCE
> 47 kΩ
ENVIRONMENT
OPERABLE TEMP. RANGE:
STORAGE TEMP. RANGE:
VIBRATION:
-40 to +85 °C
-65 to +125 °C
10 to 2000 Hz / 10 g
2000 g, 0.3 ms, ½ sine
DIL 14, 4 pins, GND to case
8 mm
MARKING EXAMPLE
SHOCK:
PACKAGE:
PACKAGE HEIGHT:
Type
Frequency
ꢀ (PIN 1)
Spec No.
Date Code
Piece No.
OCXOWT-BV3
20.000 MHz
ꢀ
01.25
12
(see packaging info)
WARM-UP
∆F/F:
CURRENT:
ORDERING INFORMATION EXAMPLE
within spec after 60s @ 0°C *
< 250 mA during 30s
O C X O W T
-
B V 3
20 MHz
x x x
MISCELLANEOUS
SHORT TERM STABILITY:
Oscillator Type
< 5 E-10 0.1 s to 30 s
Typical 5 E-11 @ 1 s
N°of
customer
spec.
OCXO =oven controlled
Crystal Oscillator
1
Hz : - 70 dBc / Hz
PHASE NOISE (BW = 1Hz):
(typical, @ 10MHz in static
conditions)
Oscillator Version
Oscillator output
frequency
10 Hz : -100 dBc / Hz
100 Hz : -130 dBc / Hz
W = low power voltage 3.3V
= tight tolerance
T
1
kHz : -140 dBc / Hz
Temperature Range
Frequency Adjustment
R1 = external resistor
V3 = voltage 3.3V
A = 0 to +60°C; +/-0.075ppm
B = -20 to +70°C: +/-0.15ppm
*
Customer’s specification on request
X
= custom spec.
Y
= custom spec.
STANDARD FREQUENCIES (MHz)
10.0000
12.8000
16.0000
16.3840
19.4400
20.0000
DATE:
June 2003
Revision No.: 8
Page 1/2
In accordance with our policy of continuous development and improvement,
we reserve the right to modify the design or the specifications of our products without prior notice.
Headquarters: Micro Crystal
Div. of ETA SA
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel.
+41 32 655 82 82
+41 32 655 80 90
Fax
Internet
Email
www.microcrystal.ch
sales@microcrystal.ch