I537 Datasheet, PDF (1/2 Pages) ILSI America LLC – 2.5 mm x 3.2 mm Ceramic Package SMD TCXO

2.5 mm x 3.2 mm Ceramic Package SMD TCXO
I537/I538/I737/I738 Series
Product Features:
Low Jitter, Non-PLL Based Output
Available in Both Clipped Sinewave and
HCMOS Output Levels
Compatible with Leadfree Processing
Applications:
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
Fibre Channel
Frequency
Output Level
Clipped Sinewave
HCMOS
Output Load
Clipped Sinewave
HCMOS
Duty Cycle (HCMOS)
Rise / Fall Time
(HCMOS)
Frequency Stability
Vs Temperature
Vs Voltage
Vs Load(5%)
Frequency Tolerance @ 25 C
Aging
Supply Voltage
Current
Voltage Control
(I737/I738)
Operating
Storage
Phase Noise
(Typ. @ 20 Mhz)
8.000 Mhz to 40 Mhz
0.8 V p-p Min.
‘0’=0.5 VDC Max., ‘1’=0.8Vcc Min.
20K Ohms / 10 pF
15pF
50% ±10%
10 nS Max.
See Frequency Stability Table
 0.3 ppm Max.
.0.2 ppm Max.
 1.0 ppm
 1 ppm / Year Max.
See Supply Voltage Table , tolerance  5%
2.0 mA Max. (Clipped Sinewave)
6.0 mA Max. (HCMOS)
1.5 VDC  1.0 VDC,  5.0 ppm Min.
See Operating Temperature Table
-40 C to +85 C
-86 dBc/Hz @ 10 Hz
-115 dBc/Hz @ 100 Hz
-138 dBc/Hz @ 1KHz
-146 dBc/Hz @ 10 Khz
2.50
3.20
4
3
1
2
1.2 Max.
0.10
1
2
4
3
0.10
0.84
0.60
Recommended Pad Layout
2.40
4
2.0
1
3
1.3
2
0.9
Pin Connection
1 Vcontrol / N.C.
2 GND
3 Output
4 Vcc
Dimension Units: mm
Package
I537 (Clipped Sinewave TCXO)
I538 (HCMOS TCXO)
I737 (Clipped Sinewave TCVCXO)
I738 (HCMOS TCVCXO)
Part Number Guide
Operating Temperature
7 = 0 C to +50 C
1 = 0 C to +70 C
3 = -20 C to +70 C
2 = -40 C to +85 C
Sample Part Number: I537-1Q3-20.000 Mhz
FrequencyStability vs Temperature Supply Voltage
**N = 1.0 ppm
3 = 3.3 V
**O = 1.5 ppm
7 = 3.0 V
**P = 2.0 ppm
2 = 2.7 V
Q = 2.5 ppm
R = 3.0 ppm
J = 5.0 ppm
Frequency
- 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 for all temperature ranges.
12/20/11 _D
ILSI America Phone: [phone] • Fax: [phone]• e-mail: [e-mail] • www.ilsiamerica.com
Specifications subject to change without notice
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