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 devices, mobile phones, printers, and flat TVs. The product is available in 2.5V or 3.3Vdc versions and features quick-turn delivery for small quantities.
Product Attributes
- Brand: Abracon
- Certifications: ISO9001:2008 Certified
- Package Material: Ceramic
- 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 | See table 3 for options |
| Spread Spectrum Type | Center Spread / Down Spread | |
| 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 to -9 dBc | Refer to dB level when no modulation |
| Operating Temperature | -40 | | +85 | C | See options |
| Overall Frequency Stability* | -50 | | +50 | ppm | See options |
| Supply Voltage (Vdd) | 2.97 (for 2.5V) / 2.25 (for 3.3V) | 3.3 / 2.5 | 3.63 (for 3.3V) / 2.75 (for 2.5V) | Vdc | Standard / Option 1 |
| Input Current (Vdd = 2.5V) | 10 (13-49.999MHz) / 15 (50-79.999MHz) / 20 (80-99.999MHz) / 25 (100-160MHz) | 20 / 20 / 25 / 30 | | mA | |
| Input Current (Vdd = 3.3V) | 15 (13-49.999MHz) / 20 (50-79.999MHz) / 25 (80-99.999MHz) / 30 (100-160MHz) | 20 / 25 / 30 / 40 | | mA | |
| Rise and Fall Time (Tr/Tf) (Vdd = 2.5V) | 2.0 (13-49.999MHz) / 2.0 (50-79.999MHz) / 1.5 (80-99.999MHz) / 1.5 (100-160MHz) | 5.0 / 4.0 / 3.0 / 3.0 | | ns | |
| Rise and Fall Time (Tr/Tf) (Vdd = 3.3V) | 3.0 (13-49.999MHz) / 2.5 (50-79.999MHz) / 2.0 (80-99.999MHz) / 1.5 (100-160MHz) | 10.0 / 8.0 / 5.0 / 4.0 | | ns | |
| Output Voltage (VOH) | 0.9*Vdd | V | |
| Output Voltage (VOL) | 0.1*Vdd | V | |
| Tri-state function (Stand-by) | "1" (VIH0.7*Vdd) or Open: Oscillation; "0" (VIH<0.3*Vdd): Hi Z |
| Modulation carrier frequency (Dither rate) | Programmable dependant | 30kHz to 40kHz | |
| Pin 1 Function | Tri-State |
| Pin 2 Function | GND/Case |
| Pin 3 Function | Output |
| Pin 4 Function | Vdd |
| Bypass Capacitor Recommendation | Approximately 0.01uF between PIN 2 and 4 |
Note: All spectrum spread percentage numbers are typical values.
Options & Part Identification:
- ASSVP - [MHz] - [Overall Freq. Stability] - [Supply Voltage] - [Spread Spectrum Band Width]
- Overall Freq. Stability: Blank: 50ppm, R: 25ppm
- Supply Voltage: Blank: 3.3V5%, 1: 2.5V5%
- Spread Spectrum Band Width: SSBW C or D (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 |
Packaging:
- Bulk
- T: Tape & Reel (1,000pcs/reel)
Outline Drawing: Dimensions: 7.0 x 5.0 x 1.4mm
Reflow Profile: See attached datasheet for detailed profile.
Disclaimer: Abracon Corporations products are COTS Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications. Abracons products are not specifically designed for , Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability where component failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from Abracon Corporation is required. Please contact Abracon Corporation for more information.
2412091026_ABRACON-ASSVP1-C12_C6747792.pdf
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Low EMI clock oscillator ABRACON ASSVP1-C12 programmable spread spectrum for electronic applications Images
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