DOUBLE SEALED, HIGH PRECISION, WIDE RANGE FREQUENCY, 5.0VDC TTL/HCMOS FULL-SIZE DIP
CRYSTAL CLOCK OSCILLATORS
ADCO
FEATURES:
• Double sealed DIP package.
• High-precision UM internal crystal.
• Wide frequency range.
• Tight overall frequency stability.
• Enable/Disable and extra output options.
APPLICATIONS:
• High-precision clock signals for microprocessors and digital circuits.
• Data telecommunications and networking.
STANDARD SPECIFICATIONS
PARAMETERS
ADCO
ADCO1
Frequency Range
Operation Mode
3.5 MHz - 25 MHz
Fundamental, AT
Frequency Range
(F )
20 MHz - 150 MHz
12 MHz - 35 MHz
o
Operating Temperature
Operating Temperature (TOPR)
-10°C to + 60° C (See Options)
0°C to + 70°C (see options)
Storage Temperature
-55°C to + 125° C
Storage Temperature (TSTO)
-40°C to +85°C
@
Frequency Tolerance ( 25°C
±50 ppm max. (See Options)
±50 ppm max. (See Options)
Frequency Stability
DF/ Fo)
Frequency Stability over Temp.
-vs- Temperature
± 20 ppm max. (see options)
Equivalent Series Resistance
200 Wfor 3.5 MHz < F < 4.0 MHz
-vs- Supply
± 0.5 ppm max. (Vdd ± 5%)
(ESR) Maximum
150 Wfor 4.0 MHz < F < 6.0 MHz
-vs- Load
-vs- Aging
± 0.2 ppm max. (± 10% load)
100 Wfor 6.0 MHz < F < 10.0 MHz
± 1.0 ppm max (first year)
80 Wfor 10 MHz < F < 14.0 MHz
_
50 Wfor 14 MHz < F < 25 MHz
Supply Voltage
Shunt Capacitance C0
Supply Current
(Vdd)
(Idd)
+5 Vdc 5%
±
7 pF max.
20mA max.
40mA max.
Load Capacitance CL
Duty cycle or Symmetry
16pF (See Option)
40/60% max. measured at 1/2Vdd or 1.4VDC
Drive Level
100µWmax.
Rise and Fall times
(Tr/Tf)
10ns max. for F <= 24MHz; 5ns max. for F>24MHz
@
Aging 25° C First Year
± 5 ppm max.
Output
TTL/HCMOS Square Wave
Insulation Resistance
500 MWmin. at 100 Vdc ± 15V
Output and E/D options (pin 1) No connection or E/D option (-A)
Output 2
N/A
Output load
2TTL or 15PF
VOH = 0.9 * VDD min.
VOL = 0.4VDC max.
Output voltage
Dimensions: Inches (mm)
Enable/Disable option (pin 1)
Start-up time
VIL= 1.68V max., VIH = 2.2V min.
10ms max.
PIN NO.
ADCO
ADCO1
1
7
NC or E/D
GND
OUTPUT2
GND
(*) Pin 1 has internal pull-up resistor.
Environmental and mechanical specifications, Group 1.
8
OUTPUT
VDD
OUTPUT1
VDD
14
ORDERING OPTIONS
ADCOX - Frequency - Temperature - Overall Frequency Stability
-
Pin 1 option
-
Value Added
Blank or 1
Blank = N/C
-D for -10°C to + 60°C
-E for -20°C to + 70°C
-F for -30°C to + 70°C
-N for -30°C to + 85°C
-L for -40°C to + 85°C
A
= Enable/Disable(**)
XX.XXXX MHz
-G Gull Wing
-QXX (Trimmed Leads)
-R5 for ± 5 ppm max.
-Y for ± 10 ppm max
-R15 for ± 15 ppm max
(**) ADCO Only
NOTE: Left blank if standard • All specifications and markings subject to change without notice
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
®
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070
•
FAX: (949) 448-8484
E-MAIL: abinfo @abracon.com • INTERNET ADDRESS: www.abracon.com