STRATUM -III SMD VCTCXO
AST3
FEATURES:
FEATURES:
• High Precision over temperature (±0.37 ppm over
-40ºC to + 85ºC)
• Excellent long term stability (±4.60 ppm Max. over 20-Year life)
• Small Profile (7*5*2 mm)
• Low Power (< 6mA CMOS; < 3.5mA Sinewave)
• Exceptional Close-in Phase Noise (-140 dBc/Hz @ 1kHz typ;
12.80MHz carrier)
ELECTRICAL SPECIFICATIONS:
Pb
RoHS
Compliant
7.0 x 5.0 x 2.0mm
| | | | | | | | | | | | | | |
APPLICATIONS:
• Wireless & Wireline communications
• Cellular Infrastructure
• Point-to-Point Radios
• Broadband Equipment
• Test & Measurement Equipment
• GPS tracking with precision hold-over accuracy
PARAMETERS
ABRACON P/N
Frequency
Standard Frequencies
Operating temperature
Storage temperature
Overall Frequency Stability*
Frequency Stability vs Temp range
- 20°C to +70°C
- 40°C to +85°C
Supply voltage (Vdd)
Symmetry
Output level
Output load
Output Voltage (CMOS)
Output Voltage
(Clipped Sinewave)
Tri State Function
Start-up-time
Current consumption
Vc port impedance
Control voltage range (Vc)
Frequency pull range
Frequency pull slope
Spurious response:
Phase Noise (12.8MHz carrier)
@ 100 Hz offset
@ 1000 Hz offset
@ 10000 Hz offset
AST3 Series
10.000MHz to 26.000MHz
10, 12.8,19.2, 19.44, 25.6 MHz
- 20°C to +70°C (see option)
- 55°C to + 125°C
±4.6ppm over 20-years Referenced to +25ºC
±0.28ppm
±0.37ppm
3.3Vdc ± 5% (see option)
45/55 % @ 50% Vdd
CMOS (see option)
15pF (CMOS, Clipped Sinewave)
VOH = 0.9*Vdd min.
VOL = 0.1*Vdd max.
0.8 Vp-p min
VIH = 20%Vdd max.:Oscillation,
VIL = 80%Vdd min.: High Z
2ms max.
6mA max. (CMOS output)
3.5mA max. (Clipped Sinewave output)
100kΩ min.
0 to Vdd (for VCTCXO)
±5.0 ppm min. (see options)
Positive
-70 dBc max.
-120 dBc/Hz
-140 dBc/Hz
-148 dBc/Hz
* Overall frequency stability includes: as received set-tolerance, stability over
temperature, shift through stand reflow, aging over 20-year product life, supply
voltage and output load variation.
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 1.14.08
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
STRATUM -III SMD VCTCXO
AST3
OPTIONS & PART IDENTIFICATION:
(Left blank if standard)
Pb
RoHS
Compliant
AST3
- Frequency -
Temp Range
E
L
-20°C to +70°C
- 40°C to +85°C
7.0 x 5.0 x 2.0mm
| | | | | | | | | | | | | | |
-
-
-
Packaging
Blank
Bulk
Tape and
T
Reel
P/N and Vdd (V)
Blank
3.3±5%
A
5.0±5%
Frequency
XX.XXXX MHz
Output
Blank
CMOS
SW
Clipped Sinewave
TC
N5
N8
Pulling
TCXO
±5 ppm
±8 ppm
OUTLINE DRAWING:
Dimensions: inch (mm)
PIN
1
2
3
4
5
6
7
8
9
10
FUNCTION
Control voltage (VC); NC for a TCXO
NC
NC
NC
GND
RF Output (CMOS or Clipped Sinewave)
NC
NC
Tri-state Control
Vdd
Note: Recommend using an approxi-
mately 0.01uF bypass capacitor between
PIN 5 and 10.
TAPE & REEL:
Dimensions: mm
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Revised: 1.14.08
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Visit www.abracon.com for Terms & Conditions of Sale
模拟与混合信号
