2.5 mm x 3.2 mm Ceramic Package SMD TCXO
I547/I747 Series
Product Features:
Low Jitter, Non-PLL Based Output
Clipped Sinewave
Analog Compensation
Available 0.5 ppm Stability
Applications:
3.20
GPS
4
3
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
2.50
1
2
Frequency
10Mhz to 52 Mhz
GPS Frequencies
16.396Mhz, 16.3676Mhz, 16.367667Mhz, 19.200Mhz,
24.5535Mhz, 26.000Mhz
1.2 Max.
Frequency Tolerance @ 25 C
1.5 ppm
Frequency Stability
Vs Temperature
0.10
See Frequency Stability Table
0.1 ppm Max.
.0.2 ppm Max.
1
2
3
Vs Supply Voltage ( 5%)
Vs Load(10%)
0.65 +/-0.02
0.62 +/-0.02
Output Level
Clipped Sinewave
Output Load
Clipped Sinewave
4
0.8 V p-p Min.
10K Ohms / 10 pF
50% ±10%
0.10
Duty Cycle (HCMOS)
Recommended Pad Layout
2.40
Frequency Slope
(2C steps from -20 C to +70 C)
Start Time (90% of Vp-p)
0.1 ppm / C
3.0 mS Max.
3
2
4
1
Aging
1 ppm / Year Max.
2.0
Supply Voltage
Current
See Supply Voltage Table , tolerance 5%
1.5 mA Max
1.3
0.9
Voltage Control
(I747)
Operating
1.5 VDC 1.0 VDC, 5.0 ppm Min.
Pin Connection
See Operating Temperature Table
1
2
3
4
Vcontrol / N.C.
GND
Output
Vcc
Storage
-40 C to +85 C
Phase Noise
-87 dBc/Hz @ 10 Hz
-112 dBc/Hz @ 100 Hz
-135 dBc/Hz @ 1KHz
-145 dBc/Hz @ 10 Khz
Dimension Units: mm
Part Number Guide
Sample Part Number: I547-1Q3-20.000 Mhz
Package
Operating Temperature
7 = 0 C to +50 C
FrequencyStability vs Temperature
**Y = 0.5 ppm
Supply Voltage
3 = 3.3 V
Frequency
7 = 3.0 V
1 = 0 C to +70 C
**N = 1.0 ppm
I547 (Clipped Sinewave TCXO)
I747 (Clipped Sinewave TCVCXO)
2 = 2.7 V
3 = -20 C to +70 C
5 = -30 C to +85 C
2 = -40 C to +85 C
**O = 1.5 ppm
1 = 1.8 V
- 20.000 MHz
**P = 2.0 ppm
Q = 2.5 ppm
R = 3.0 ppm
J = 5.0 ppm
NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and GND (pin 2) to minimize power supply noise.
** Not available for all temperature ranges.
ILSI America Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
8/09/11_E
Specifications subject to change without notice
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