The RFM Integrated Device XTC4004 is a miniature SMD TCXO (Temperature Compensated Crystal Oscillator) operating at 32.768 KHz. It offers high precision with an initial frequency tolerance of +/- 1.5 ppm @ 25C +/- 3C and excellent frequency stability across temperature, load, and supply voltage variations. Its CMOS square wave output and low power consumption make it suitable for various electronic applications requiring accurate timing.
| Parameter | Value | Conditions |
|---|---|---|
| Part Number | XTC4004 | |
| Nominal Frequency | 32.768 KHz | |
| Frequency Tolerance (Initial) | +/- 1.5 ppm max | @ 25C +/- 3C |
| Frequency Stability (Vs. Temperature) | +/- 5 ppm | -40C to +85C |
| Frequency Stability (Vs. Load) | +/- 0.2 ppm | 15pF +/-10% |
| Frequency Stability (Vs. Supply Voltage) | +/- 1 ppm/V | |
| Timing Error (per day) | +/-0.432 sec/day max | |
| Timing Error (per month) | +/-12.960 sec/month max | |
| Timing Error (per year) | +/-2.628 min/year max | |
| Aging | +/-3 ppm per years | |
| Storage Temperature Range | -55C to +85C | |
| Operating Temperature Range | -40C to +85C | |
| Power Supply Voltage | 3.3V +/- 5% | |
| Output Waveform | CMOS Square Wave | |
| Output Load | 15pF | |
| "0" Level | 0.4V max | IOL=0.1mA |
| "1" Level | Vdd-0.4V min | IOH=-0.1mA |
| Power Supply Current | 1uA typical / 2uA max | without load |
| Duty Cycle | 40% ~ 60% | Typical |
| Rise Time | 100 nsec max. | (20% -> 80% of final RF level in Vp-p) |
| Fall Time | 100 nsec max. | (80% -> 20% of final RF level in Vp-p) |
| Supply Voltage Variation | 0.25 V max | |
| Reflow Tolerance | +/-1 ppm max | |
| Start-Up Time | 1 s max / 3 s max | @ 25C / over -40C to +85C |
| Tri-State Enable Voltage (High) | 80% Vdd min | |
| Disable Voltage (Low) | 20% Vdd max | |
| Package Dimensions | 3.2mm x 2.5mm | SMD |
| Moisture Sensitivity Level | 2 |