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WF5041A4B-4 Datasheet(PDF) 1 Page - Nippon Precision Circuits Inc |
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WF5041A4B-4 Datasheet(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 11 page 5041 series SEIKO NPC CORPORATION—1 High-stability Crystal Oscillator IC with Frequency Adjustment Function OVERVIEW The 5041 series are high-stability clock oscillator ICs with built-in frequency adjustment functions. The frequency adjustment functions can be optimized, by the addition of a minimal adjustment process, to improve the frequency stability. The function is implemented using frequency adjustment data written to a built-in EEPROM over a 1-wire serial interface. The ICs are ideal for compact crystal oscillators for use in applications such as WiMAX (Worldwide Interoperability for Microwave Access) and PLC (Power Line Communication) that require high frequency stability in the order of ±30 to ±10ppm. They use a pad layout suitable for flip chip bonding mounting. FEATURES I Realizing frequency stability improvement with minimal additional process I Temperature compensation range/ operating tem- perature range: −40°C to +85°C I Frequency adjustment functions built-in • Frequency-temperature characteristics compen- sation function AT-cut crystal, 3rd order harmonic frequency- temperature characteristics compensation, with independent low-temperature and high-temper- ature range compensation settings - Center frequency adjustment function - Temperature rotation compensation function - Low-temperature characteristics compensation - High-temperature characteristics compensation I Rewritable EEPROM built-in I 6 pads: same as general clock oscillator ICs I Operating supply voltage range • 5041A ××: 2.25V to 3.63V • 5041B ×A: 1.60V to 2.25V I Recommended oscillation frequency range: 20MHz to 55MHz (for fundamental oscillation) I Frequency divider built-in: • Selectable by version: fO, fO/2, fO/4, fO/8, fO/16, fO/32 • Frequency divider output for 0.625MHz (min) low frequency output I Standby function High-impedance in standby mode, oscillator stops I CMOS output I 15pF output load I Pad layout for flip chip bonding I Wafer form (WF5041 ×××) FREQUENCY CHARACTERISTICS COMPENSATION BEFORE and AFTER ADJUSTMENT APPLICATIONS I 3.2mm × 2.5mm, 2.5mm × 2.0mm, 2.0mm × 1.6mm size miniature crystal oscillator modules I WiMAX, WiBro, PLC and applications requiring high-stability clock oscillators ORDERING INFORMATION Device Package WF5041 ×××−4 Wafer form 020 Ta [ °C] 40 60 80 100 −20 −40 −50 −40 −30 −20 −10 0 10 20 30 40 50 ± 10ppm Before compensation After compensation |
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