Product Overview
The ASSVP Series is a programmable spread spectrum low EMI clock oscillator designed for applications requiring reduced electromagnetic interference. Housed in a compact 7.0 x 5.0 x 1.4mm ceramic package, this oscillator offers tri-state functionality and is suitable for RoHS reflow profiles. Its seam-sealed ceramic construction ensures high reliability. Key applications include laptop computers, PDAs, LCDs, digital cameras, wireless LAN, mobile phones, printers, and flat TVs. The product is available in 2.5V and 3.3Vdc options, with quick-turn delivery for small quantities.
Product Attributes
- Brand: ABRACON
- Certifications: ISO9001:2008 Certified
- Material: Ceramic package
- Compliance: Pb RoHS / RoHS II Compliant
- Moisture Sensitivity Level (MSL): N/A (Hermetically Sealed)
Technical Specifications
| Parameter | Minimum | Typical | Maximum | Units | Notes |
| Product Series | ASSVP Series | 7.0 x 5.0 x 1.4mm |
| Frequency Range | 13.000 | | 160.0 | MHz | |
| Spread Spectrum Type | Center Spread | 0.25 ~ 2.0 % |
| Spread Spectrum Type | Down Spread | -0.5 ~ -4.0 % |
| EMI Reduction (at 100MHz) | | -7 dBc | | dBc | C02 option |
| EMI Reduction (at 100MHz) | | -9 dBc | | dBc | C04 option |
| Operating Temperature | -40 | | +85 | C | |
| Overall Frequency Stability* | -50 | | +50 | ppm | Standard |
| Supply Voltage (Vdd) | 2.97 | 3.3 | 3.63 | V | Standard (3.3V 5%) |
| Supply Voltage (Vdd) | 2.25 | 2.5 | 2.75 | V | Option 1 (2.5V 5%) |
| Input Current (Vdd = 2.5V) | 10 | | 20 | mA | 13.000 to 49.999MHz |
| Input Current (Vdd = 2.5V) | 15 | | 20 | mA | 50.000 to 79.999MHz |
| Input Current (Vdd = 2.5V) | 20 | | 25 | mA | 80.000 to 99.999MHz |
| Input Current (Vdd = 2.5V) | 25 | | 30 | mA | 100.0 to 160.0MHz |
| Input Current (Vdd = 3.3V) | 15 | | 20 | mA | 13.000 to 49.999MHz |
| Input Current (Vdd = 3.3V) | 20 | | 25 | mA | 50.000 to 79.999MHz |
| Input Current (Vdd = 3.3V) | 25 | | 30 | mA | 80.000 to 99.999MHz |
| Input Current (Vdd = 3.3V) | 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 |
| Rise and Fall Time (Tr/Tf) (Vdd = 2.5V) | 2.0 | | 4.0 | ns | 50.000 to 79.999MHz |
| Rise and Fall Time (Tr/Tf) (Vdd = 2.5V) | 1.5 | | 3.0 | ns | 80.000 to 99.999MHz |
| Rise and Fall Time (Tr/Tf) (Vdd = 2.5V) | 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 |
| Rise and Fall Time (Tr/Tf) (Vdd = 3.3V) | 2.5 | | 8.0 | ns | 50.000 to 79.999MHz |
| Rise and Fall Time (Tr/Tf) (Vdd = 3.3V) | 2.0 | | 5.0 | ns | 80.000 to 99.999MHz |
| Rise and Fall Time (Tr/Tf) (Vdd = 3.3V) | 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 (Stand-by) | "1" (VIH0.7*Vdd) or Open: Oscillation |
| Modulation carrier frequency (Dither rate) | 30 | | 40 | kHz | Programmable dependant |
| Pin 1 Function | Tri-State |
| Pin 2 Function | GND/Case |
| Pin 3 Function | Output |
| Pin 4 Function | Vdd |
Note: Recommend using an approximately 0.01uF bypass capacitor between PIN 2 and 4.
Packaging: Bulk or Tape & Reel (1,000pcs/reel)
Part Identification Example: ASSVP - [Frequency in MHz] - [Overall Freq. Stability] - [Supply Voltage] - [SSBW]
Frequency in MHz: Please specify the frequency in MHz. e.g. 14.31818MHz. Contact Abracon for special tighter stability.
Overall Freq. Stability: Blank: 50ppm, R: 25ppm
Supply Voltage: Blank: 3.3V5%, 1: 2.5V5%
SSBW: Spread Spectrum Band Width Options (See table below)
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-D04_C6747795.pdf
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Programmable spread spectrum low EMI clock oscillator ABRACON ASSVP1-D04 in compact ceramic package for electronic devices Images
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