Product Overview
The ASSFLP Series is a programmable spread spectrum, low EMI clock oscillator designed for applications requiring reduced electromagnetic interference. Encased in a 5.0 x 3.2 x 1.3mm ceramic package, this oscillator features a tri-state function and is suitable for RoHS reflow profiles. Its seam-sealed ceramic package ensures high reliability. Available in 2.5V and 3.3Vdc options, it offers quick turn delivery for small quantities. Applications include laptop computers, PDAs, LCDs, digital cameras, wireless LAN devices, mobile phones, printers, and flat TVs.
Product Attributes
- Brand: ABRACON
- Certifications: ISO9001:2008 Certified, RoHS / RoHS II Compliant
- Package: Ceramic, Seam sealed
- Moisture Sensitivity Level (MSL): N/A (Hermetically Sealed)
- ESD Sensitive: Yes
- Product Type: LOW EMI Oscillator, Spread Spectrum Oscillator
Technical Specifications
| Parameter | Minimum | Typical | Maximum | Units | Notes |
| Frequency Range | 8 | - | 160 | MHz | |
| Spread Spectrum Type | Center Spread 0.25 ~ 2.0 % / Down Spread -0.5 ~ -4.0 % | See table 3 for options |
| EMI Reduction (at 100MHz) | -7 dBc (C02), -9 dBc (C04) | dBc | Refer to the dB level when no modulation. |
| Operating Temperature | -40 | - | +85 | C | |
| Overall Frequency Stability* | -50 | - | +50 | ppm | See options |
| Supply Voltage (Vdd) | 2.97 (3.3V) / 2.25 (2.5V) | 3.3V / 2.5V | 3.63 (3.3V) / 2.75 (2.5V) | Vdc | Standard Vdd = 3.3V, Option 1 Vdd = 2.5V |
| Input Current (Vdd = 2.5V) | 10 (8-49.999MHz) / 15 (50-79.999MHz) / 20 (80-99.999MHz) / 25 (100-160MHz) | 20 (8-49.999MHz) / 20 (50-79.999MHz) / 25 (80-99.999MHz) / 30 (100-160MHz) | - | mA | |
| Input Current (Vdd = 3.3V) | 15 (8-49.999MHz) / 20 (50-79.999MHz) / 25 (80-99.999MHz) / 30 (100-160MHz) | 20 (8-49.999MHz) / 25 (50-79.999MHz) / 30 (80-99.999MHz) / 40 (100-160MHz) | - | mA | |
| Rise and Fall Time (Tr/Tf) (Vdd = 2.5V) | 2.0 (8-49.999MHz) / 2.0 (50-79.999MHz) / 1.5 (80-99.999MHz) / 1.5 (100-160MHz) | 5.0 (8-49.999MHz) / 4.0 (50-79.999MHz) / 3.0 (80-99.999MHz) / 3.0 (100-160MHz) | - | ns | |
| Rise and Fall Time (Tr/Tf) (Vdd = 3.3V) | 3.0 (8-49.999MHz) / 2.5 (50-79.999MHz) / 2.0 (80-99.999MHz) / 1.5 (100-160MHz) | 10.0 (8-49.999MHz) / 8.0 (50-79.999MHz) / 5.0 (80-99.999MHz) / 4.0 (100-160MHz) | - | 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) | 15 | - | 120 | kHz | Programmable dependant |
| Dimensions | 5.0 x 3.2 x 1.3 mm | |
Part Identification Example: ASSFLP-MHz-SSBW-Overall Freq. Stability-Packaging-Supply Voltage
Spread Spectrum Band Width 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 |
Overall Frequency Stability Options: Blank: 50ppm, R: 25ppm
Packaging Options: Blank: Bulk, T: Tape & Reel (1,000pcs/reel)
Supply Voltage Options: Blank: 3.3V5%, 1: 2.5V5%
2210282330_ABRACON-ASSFLP-R-D04_C1323351.pdf
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Programmable low emi clock oscillator ABRACON ASSFLP-R-D04 with ceramic package and tri state function Images
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