Product Overview
The ASSVP Series is a programmable spread spectrum, low EMI clock oscillator designed for applications requiring reduced electromagnetic interference. Encased in a compact 7.0 x 5.0 x 1.4mm ceramic package, this oscillator offers flexibility with selectable 2.5V or 3.3Vdc supply voltages and a tri-state function. Its seam-sealed construction ensures high reliability, and it is suitable for RoHS reflow profiles. Ideal for use in consumer electronics such as laptop computers, PDAs, LCDs, digital cameras, wireless LANs, mobile phones, printers, and flat TVs.
Product Attributes
- Brand: ABRACON
- Series: ASSVP
- Certifications: ISO9001:2008 Certified
- Compliance: Pb RoHS / RoHS II Compliant
- Package Material: Ceramic
- Sealing: Seam sealed
- Moisture Sensitivity Level (MSL): N/A (Hermetically Sealed)
Technical Specifications
| Parameter | Minimum | Typical | Maximum | Units | Notes |
|---|---|---|---|---|---|
| Dimensions | mm | 7.0 x 5.0 x 1.4 | |||
| Frequency Range | 13.000 | 160.0 | MHz | ||
| Spread Spectrum Type | Center Spread | % | 0.25 to 2.0 (See table 3 for options) | ||
| Down Spread | % | -0.5 to -4.0 (See table 3 for options) | |||
| EMI Reduction | -7 dBc (at 100MHz C02) | dBc | Reduction is applied to the entire frequency spectrum. Refer to dB level when no modulation. | ||
| -9 dBc (at 100MHz C04) | dBc | ||||
| Operating Temperature | -40 | +85 | C | See options | |
| Storage Temperature | -55 | +125 | C | ||
| Overall Frequency Stability* | -50 | +50 | ppm | Includes initial tolerance, temperature characteristics, load variation, and supply voltage variation. See options. | |
| Supply Voltage (Vdd) | 2.97 | 3.3 | 3.63 | V | Standard (Vdd = 3.3V) |
| 2.25 | 2.5 | 2.75 | V | Option 1 (Vdd = 2.5V) | |
| Input Current (Vdd = 2.5V) | 10 | 20 | mA | 13.000 to 49.999MHz | |
| 15 | 20 | mA | 50.000 to 79.999MHz | ||
| 20 | 25 | mA | 80.000 to 99.999MHz | ||
| 25 | 30 | mA | 100.0 to 160.0MHz | ||
| Input Current (Vdd = 3.3V) | 15 | 20 | mA | 13.000 to 49.999MHz | |
| 20 | 25 | mA | 50.000 to 79.999MHz | ||
| 25 | 30 | mA | 80.000 to 99.999MHz | ||
| 30 | 40 | mA | 100.0 to 160.0MHz | ||
| Rise and Fall Time (Tr/Tf)** (Vdd = 2.5V) | 2.0 | 5.0 | ns | 13.000 to 49.999MHz | |
| 2.0 | 4.0 | ns | 50.000 to 79.999MHz | ||
| 1.5 | 3.0 | ns | 80.000 to 99.999MHz | ||
| 1.5 | 3.0 | ns | 100.0 to 160.0MHz | ||
| Rise and Fall Time (Tr/Tf)** (Vdd = 3.3V) | 3.0 | 10.0 | ns | 13.000 to 49.999MHz | |
| 2.5 | 8.0 | ns | 50.000 to 79.999MHz | ||
| 2.0 | 5.0 | ns | 80.000 to 99.999MHz | ||
| 1.5 | 4.0 | ns | 100.0 to 160.0MHz | ||
| Output Voltage (VOH) | 0.9*Vdd | V | |||
| Output Voltage (VOL) | 0.1*Vdd | V | |||
| Tri-state function (Stand-by) | "0" (VIH<0.3*Vdd) : Hi Z | ||||
| Tri-state function (Active) | "1" (VIH0.7*Vdd) or Open: Oscillation | ||||
| Modulation carrier frequency (Dither rate) | 30 | 40 | kHz | Programmable dependant |
Pin Functions
| Pin | Function | Notes |
|---|---|---|
| 1 | Tri-State | |
| 2 | GND/Case | |
| 3 | Output | |
| 4 | Vdd | Recommend using an approximately 0.01uF bypass capacitor between PIN 2 and 4. |
Spread Spectrum Bandwidth Selection Table
| Spread Spectrum Band Width Options | Center Spread (%) | Down Spread (%) |
|---|---|---|
| C02 | 0.250 | D02 -0.50 |
| C04 | 0.50 | D03 -0.75 |
| C08 | 1.000 | D04 -1.00 |
| C12 | 1.500 | D06 -1.50 |
| C16 | 2.000 | D08 -2.00 |
| D12 -3.00 | ||
| D16 -4.00 |
Note: All spectrum spread percentage numbers are typical values.
2412091026_ABRACON-ASSVP1-C08_C6862814.pdf
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