Surface Mount Oscillator, TCXO, TCVCXO
I540 / I541/ I740 / I741 Series *
Ceramic Package, 5 mm x 7 mm
I540 / I740
I541 / I741
10.000 MHz to 30.000 MHz
Clipped Sine
Frequency
Output Level
Level
10.000 MHz to 30.000 MHz
HC-MOS / TTL
‘0’ = 0.1 Vcc Max., ‘1’= 0.9 Vcc Min.
15 pF / 10 LSTTL
50% ± 10%
0.8 V p-p Min.
20K Ohms / 10 pF
Output Load
Duty Cycle
10 nS Max.
Rise / Fall Time
5 mA Max.
2 mA Max.
Current
Supply Voltage
Frequency Stability
Frequency Stability at +25° C
Aging
See Supply Voltage Table, tolerance ±5 %
See Frequency Stability Table
± 1 ppm (I540/I541)
± 1 ppm / Year Max.
Control Voltage (I733)
Slope
1.5 VDC ± 1.0 VDC, ±5 ppm Min.
Positive
Temperature
See Operating Temperature Table
-40° C to +85° C
Operating
Storage
See Appendix B for information
Environmental
Package Information
MSL = 2a., Termination = e4
* I540 = HC-MOS TCXO, I541 = Clipped Sine TCXO, I740 = HC-MOS TCVCXO, I741 = Clipped Sine TCVCXO
Part Number Guide
Sample Part Number:
I541 - 1Q3 - 20.000
Package and Output
Operating Temperature
Frequency Stability vs. Temperature
Supply Voltage
3 = 3.3 VDC
7 = 3.0 VDC
2 = 2.7 VDC
Frequency
7 = 0° C to +50° C
1 = 0° C to +70° C
3 = -20° C to +70 C
2 = -40° C to +85° C
**N = ±1.0 ppm
**O = ±1.5 ppm
**P = ±2.0 ppm
Q = ±2.5 ppm
R = ±3.0 ppm
J = ±5.0 ppm
I540 -
I541 -
I740 -
I741 -
- 20.000 MHz
NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and Gnd (pin 2) to minimize power supply noise.
** Not available at all temperature ranges.
ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
10/08
Specifications subject to change without notice
F5