AST3A-25.6000MHZ-E-N5 datasheet, PDF

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AST3A-25.6000MHZ-E-N5: DescriptionCMOS Output Clock Oscillator, 25.6MHz Nom, ROHS COMPLIANT, SMD, 10 PIN; CategoryPassive components oscillator; File Size223KB，2 Pages; ManufacturerAbracon; Websitehttp://www.abracon.com/index.htm; Environmental Compliance

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AST3A-25.6000MHZ-E-N5 Overview

CMOS Output Clock Oscillator, 25.6MHz Nom, ROHS COMPLIANT, SMD, 10 PIN

AST3A-25.6000MHZ-E-N5 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Reach Compliance Code	compliant
Other features	TRI-STATE; BULK
Ageing	4.6 PPM/20 YEAR
Maximum control voltage	5 V
Minimum control voltage
Frequency Adjustment - Mechanical	NO
Frequency offset/pull rate	5 ppm
frequency stability	0.28%
Manufacturer's serial number	AST3
Installation features	SURFACE MOUNT
Nominal operating frequency	25.6 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
Oscillator type	CMOS
Output load	15 pF
physical size	7.0mm x 5.0mm x 2.0mm
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
Nominal supply voltage	5 V
surface mount	YES
maximum symmetry	45/55 %
Base Number Matches	1

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STRATUM -III SMD VCTCXO

AST3

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:

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

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