|||||||||||||||
AST3
7.0 x 5.0 x 2.0mm
Pb
RoHS
Compliant
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
FEATURES:
ELECTRICAL SPECIFICATIONS:
STRATUM -III SMD VCTCXO
30332
Esperanza, Rancho Santa Margarita, California
92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
Revised: 1.14.08
Visit www.abracon.com for Terms & Conditions of Sale
• 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)
APPLICATIONS:
FEATURES:
• Wireless & Wireline communications
• Cellular Infrastructure
• Point-to-Point Radios
• Broadband Equipment
• Test & Measurement Equipment
• GPS tracking with precision hold-over accuracy
* 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 P/N
A
ST3 Series
Frequency 10.000MHz to 26.000MHz
Standard Frequencies 10, 12.8,19.2, 19.44, 25.6 MHz
Operating temperature - 20°C to +70°C (see option)
Storage temperature - 55°C to + 125°C
Overall Frequency Stability* ±4.6ppm over 20-years Referenced to +25ºC
Frequency Stability vs Temp range
- 20°C to +70°C ±0.28ppm
- 40°C to +85°C ±0.37ppm
Supply voltage (Vdd) 3.3Vdc ± 5% (see option)
Symmetry 45/55 % @ 50% Vdd
Output level CMOS (see option)
Output load 15pF (CMOS, Clipped Sinewave)
Output Voltage (CMOS) VOH = 0.9*Vdd min.
VOL = 0.1*Vdd max.
Output Voltage (Clipped Sinewave) 0.8 Vp-p min
Tri State Function VIH = 20%Vdd max.:Oscillation,
VIL = 80%Vdd min.: High Z
Start-up-time 2ms max.
Current consumption 6mA max. (CMOS output)
3.5mA max. (Clipped Sinewave output)
Vc port impedance 100kΩ min.
Control voltage range (Vc) 0 to Vdd (for VCTCXO)
Frequency pull range ±5.0 ppm min. (see options)
Frequency pull slope Positive
Spurious response: -70 dBc max.
Phase Noise (12.8MHz carrier)
@ 100 Hz offset -120 dBc/Hz
@ 1000 Hz offset -140 dBc/Hz
@ 10000 Hz offset -148 dBc/Hz
PARAMETERS
|||||||||||||||
Pb
RoHS
Compliant
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
30332
Esperanza, Rancho Santa Margarita, California
92688
tel 949-546-8000 | fax 949-546-8001 | www.abracon.com
Revised: 1.14.08
Visit www.abracon.com for Terms & Conditions of Sale
AST3
STRATUM -III SMD VCTCXO
Dimensions: inch (mm)
OUTLINE DRAWING:
PIN
1
2
3
4
5
6
7
8
9
10
GND
NC
NC
RF Output (CMOS or Clipped Sinewave)
NC
NC
Tri-state Control
Vdd
FUNCTION
Control voltage (VC); NC for a TCXO
NC
Note: Recommend using an approxi-
mately 0.01uF bypass capacitor between
PIN 5 and 10.
Dimensions: mm
TAPE & REEL:
Blank 3.3±5% E -20°C to +70°C Blank Bulk
A 5.0±5% L - 40°C to +85°C
Blank CMOS
SW Clipped Sinewave TC TCXO
N5 ±5 ppm
N8 ±8 ppm
P/N and Vdd (V)
Frequency
XX.XXXX MHz Pulling
PackagingTemp Range
Tape and
Reel
AST3 - Frequency - - - -
T
Output
OPTIONS & PART IDENTIFICATION:
(Left blank if standard)
7.0 x 5.0 x 2.0mm
