Miniature Crystal Resonators: Overcoming the Low ESR Trade-Off
Discover how River Eletec breaks the trade-off between crystal miniaturization and low ESR using advanced photolithography and MDS technology.
- Technical information
kHz Crystal Oscillators
| Size / Dimension | 1.60mm x 1.20mm |
| Height - Seated (Max) | 0.60mm |
| Applications We Support |
| Item | Specifications | |||
|---|---|---|---|---|
| Nominal frequency (kHz) | 32.768 | |||
| Frequency tolerance (ppm) (@ 25 °C) |
±7, ±10, ±15, ±20, ±30, ±50, O.A, other | |||
| Storage temperature (°C) (Not applicable to packaging materials) |
-55 ~ +125, other | |||
| Operating temperature (°C) | -20 ~ +70 | -30 ~ +85 | -40 ~ +85 | Other combinations |
| Frequency temperature characteristics (ppm) (Refer to 25 °C) |
±10 ±15 ±20 ±30 ±50 |
±10 ±15 ±20 ±30 ±50 |
±15 ±20 ±30 ±50 |
|
| Item | Specifications | Conditions / Remarks | |
|---|---|---|---|
| Supply voltage, VDD (V) | +1.6 ~ +3.63 | ||
| Current consumption (mA) | 0.03 Max. | F = 32.768 kHz, VDD = 3.0 V, No load | |
| Stand-by current (µA) | 3 Max. | Stand-by = “L” | |
| Output voltage, VOH (V) | VDD 0.9 VDD Min. | IOH = -1 mA | |
| Output voltage, VOL (V) | 0.1 VDD Max. | IOL = +1 mA | |
| Output load (pF) | 15 Max. | ||
| Output level | CMOS | ||
| Symmetry (Duty Cycle) (%) | 50 ± 5 | ||
| Rise time (ns)/ Fall time (ns) | 200 Max. | 10 % VDD to 90 % VDD level | |
| Start-up time (ms) | 7.0 Max. | VDD = 3.3 V | |
| 10.0 Max. | VDD = 1.8 V | ||
| Stand-by function (Pin #1) (V) | (High) | 0.7 VDD Min. | Output (Pin #3) enabled |
| (Low) | 0.3 VDD Max. | Output (Pin #3) disabled = High-Z | |
| Tape and reel (pcs/reel) (Reel diameter: Φ180 mm) |
3000 Max. | ||
1612 size, 32.768 kHz CMOS oscillator with low current consumption of 0.03 mA Max
Frequency tolerance of ±7 ppm (@25℃) available
etter electrical performance than oscillators using tuning fork crystals:
→ 1/100 start-up time (7.0 ms Max. @3.3V)
→ Temperature characteristics of ±10 ppm (-30 ~ +85℃) available (1/10 frequency tolerance of tuning fork oscillators)
Robust ceramic package with metal lid sealed by electron beam
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