I537 / I538 / I737 / I738
- 2.5 mm x 3.2 mm Ceramic Package SMD TCXO
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 |
8 MHz to 30 MHz |
| Aging | ±1 ppm / Year Max. |
| Current (HCMOS) | 6.0 mA Max. |
| Current (Clipped Sinewave) | 2.0 mA Max. |
| Duty Cycle | 50% ± 10% (HCMOS) |
| Frequency Stability Vs Load (5%) | ±0.2 ppm Max. |
| Frequency Stability Vs Temperature | See Frequency Stability Table |
| Frequency Stability Vs Voltage | ±0.3 ppm Max. |
| Frequency Tolerance @ 25°C | ±1 ppm. |
| Operating Temperature | See Operating Temperature Table |
| Output Level | |
| Clipped Sinewave | 0.8 V p-p Min. |
| HCMOS | 0 = 0.5 VDC Max., 1 = 0.8 VCC Min. |
| Output Load | |
| Clipped Sinewave | 20K Ω /10pF |
| HCMOS | 15 pF |
| Phase Noise | |
| -86 dBc/Hz @ 10 Hz |
| -115 dBc/Hz @ 100 Hz |
| -138 dBc/Hz @ 1KHz |
| -146 dBc/Hz @ 10 KHz |
| Rise / Fall Time | 10 nS Max. (HCMOS) |
| Storage Temperature | -40°C to +85°C |
| Supply Voltage | See Operating Temprature Table, tolerance ±5% |
| Voltage Control | |
| (I737 / I738) | 1.5 VDC ± 1.0 VDC, ±5.0 ppm Min. |
Part Number Guide
- Sample Part Number: I537 - 1Q3 - 20.000 MHz
| Package and Output | Operating Temperature | Frequency Stability vs. Temperature | Supply Voltage | Frequency |
|---|
| I537 (Clipped Sinewave TCXO) | 7 = 0°C to +50°C | **N = ±1.0 ppm | 3 = 3.3 V | 20.000 MHz |
| I538 (HCMOS TCXO) | 1 = 0°C to +70°C | **O = ±1.5 ppm | 7 = 3.0 V | |
| I737 (Clipped Sinewave TCVCXO) | 3 = -20°C to +70°C | **P = ±2.0 ppm | 2 = 2.7 V | |
| I738 (HCMOS TCVCXO) | 2 = -40°C to +85°C | 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.
