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DS1090U-4+

  • In Stock: 67281
  • Available: 477

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $2.63469US $2.63
10+US $1.75646US $17.56
30+US $1.31734US $39.52
100+US $1.05388US $105.39
500+US $0.96605US $483.03
1000+US $0.87823US $878.23

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Description

The DS1090 is a low-cost, dithered oscillator intended to be used as an external clock for switched-mode power supplies and other low-frequency applications.
The dithering or sweeping function reduces peak-radiated emissions from the power supply at its fundamental frequency, as well as harmonic frequencies.
The device consists of a resistor-programmed master oscillator, factory-programmed clock prescaler, and a pinprogrammed dither circuit.
Features
♦ Low-Cost, Spread-Spectrum EconOscillator™
♦ Simple User Programming
♦ Output Frequency Programmable from 125kHz to 8MHz
♦ Dither Percentage Programmable from 0% to 8%
♦ Dither Rate Programmable (fMOSC / 512, 1024, 2048, or 4096 )
♦ 3.0V to 5.5V Single-Supply Operation
♦ CMOS/TTL-Compatible Output
♦ Operating Temperature Range: -40°C to +85°CApplications Switched-Mode Power Supplies Servers Printers Embedded Microcontrollers Industrial Controls Automotive Applications
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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