Dimensions and patterns(unit:mm)
OH7
JGHC晶光华
可以
32.768KHz
1.8V~3.3V or specif
7.0x5.0x1.3mm
±25ppm or specif
SMD 7050 RTC Clock Crystal Oscillators CMOS Output 7.0x5.0x1.3mm OH7 Series
Features
Meet 32.768 kHz RTC clock signal for tight tolerance requirement.
Easy to use SMD seam sealed ceramic package.
4 pads design to achieve good soldering contact on PCB.
Use AT crystal as the resonator for good temperature performance.
Tri-State function available for power saving.
RoHS Compliant / Pb Free.
Crystals specifications
ITEMS/TYPE | OH7 |
Norminal Frequency | 32.768KHz |
Output Type | CMOS |
Output Load | 15 pF, or specify |
Oscillation Mode | AT Fundamental |
Supply Voltage | 1.8V~3.3V |
Frequency Stability | ± 25 ppm, or specify |
Operating Temperature Range | - 40 ~ + 85 ℃, or specify |
Storage Temperature Range | - 55 ~ + 125 ℃ |
Voltage Vol ( Max. )/Voh ( Min. ) | 0.1VDD / 0.9VDD |
Rise ( Tr ) / Fall ( Tf ) Time | 250 ns Max. |
Current Consumption | 3 mA Max. |
Symmetry | 45 ~ 55 % |
Start-up Time | 10 ms Max. |
Tri-state Voltage Vol (Max.) / Voh (Min.) | 0.3 VDD / 0.7 VDD |
Aging ( at 25 ℃ ) | ± 5 ppm / year Max. |