DS1090U-2 MAXIM [Maxim Integrated Products], DS1090U-2 Datasheet
DS1090U-2
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DS1090U-2 Summary of contents
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... Dither Percentage Programmable from ♦ Dither Rate Programmable (f 2048, or 4096 ) ♦ 3.0V to 5.5V Single-Supply Operation ♦ CMOS/TTL-Compatible Output ♦ Operating Temperature Range: -40°C to +85°C PART Applications DS1090U-1 DS1090U-2* DS1090U-4* DS1090U-8* DS1090U-16 DS1090U-32* Add “/T” for Tape & Reel orders. *Contact factory for availability. V OUT ...
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Low-Frequency, Spread-Spectrum EconOscillator ABSOLUTE MAXIMUM RATINGS Voltage Range on V Relative to Ground ...........-0.5V to +6.0V CC Voltage Range on Input Pins Relative to Ground.................................-0. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to ...
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AC ELECTRICAL CHARACTERISTICS (V = +3.0V to +5.5V -40°C to +85°C, unless otherwise noted PARAMETER SYMBOL Internal Master Oscillator Frequency Output Frequency Tolerance Voltage Frequency Variation Temperature Frequency Variation Peak-to-Peak Dither (3σ) (Note 5) Power-Up Time ...
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Low-Frequency, Spread-Spectrum EconOscillator (V = +3.3V +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.70 NO LOAD +25°C A 1.45 40kΩ 1.20 60kΩ 0.95 80kΩ 0.70 3.0 3.5 4.0 4.5 5.0 5.5 SUPPLY ...
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... SUPPLY VOLTAGE (V) Low-Frequency, Spread-Spectrum Typical Operating Characteristics (continued) DUTY CYCLE vs. TEMPERATURE 52 R SET 3. DS1090U -40 - TEMPERATURE (°C) FREQUENCY ERROR vs. TEMPERATURE (FROM +25°C) 2 3.3V CC 60kΩ 1.0 0 -1.0 40kΩ -2.0 5.5 -40 - TEMPERATURE (°C) ...
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Low-Frequency, Spread-Spectrum EconOscillator Pin Description PIN NAME FUNCTION 1 OUT Oscillator Output 2 R Frequency Control Resistor Input SET 3 V Positive-Supply Terminal CC 4 GND Ground 5 J0 Dither Amplitude (Percentage) Inputs (see Table JC0 ...
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MASTER OSCILLATOR FREQUENCY vs. EXTERNAL RESISTOR SELECTION RESISTANCE (kΩ) SET Figure 1. Master Oscillator Frequency Detailed Description The DS1090 is a center-dithered, spread-spectrum sili- con oscillator for use ...
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Low-Frequency, Spread-Spectrum EconOscillator Table 2. Dither Percentage Setting J1 J0 DITHER PERCENT (%) Dither Percentage Settings Dither amplitude (measured in percent ± from the mas- ter oscillator center frequency) is set using ...