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DS1090U-2/V+

Spectrum Oscillator, 4 MHz, CMOS / TTL, µMAX, 5.5 V, DS1090

MAXIM INTEGRATED PRODUCTS DS1090U-2/V+
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Manufacturer Part No:
DS1090U-2/V+
Order Code:
2798710
Product Range
DS1090
Technical Datasheet:
DS1090U-2/V+   Datasheet
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Product Information

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:
4MHz

:
CMOS / TTL

:
-

:
µMAX

:
5.5V

:
DS1090

:
-40°C

:
85°C

:
-

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Technical Docs (2)

CAD Downloads

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Product Overview

The DS1090U-2/V+ from Maxim Integrated Products is a low-frequency, spread-spectrum EconOscillator in 8 pin µMAX package. It is 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 four basic circuit blocks such as resistor-programmed master oscillator, factory-programmed clock prescaler, a pin-programmed dither circuit and the voltage-bias circuit that provides the feedback path to the master oscillator for frequency control and dithering functions. The DS1090 to be used in applications where a spread-spectrum clock is desired to reduce radiated emissions. A combination of factory-set prescalers and external resistor allows for output frequencies ranging from 2MHz to 4MHz. Both dither frequency and dither percentage are set using control pins.
  • Supply voltage range is 3V to 5.5V
  • Operating temperature range from -40°C to +85°C
  • Simple user programming
  • Dither percentage programmable from 0% to 8%
  • Dither rate programmable (fMOSC/512, 1024, 2048 or 4096)
  • CMOS/TTL compatible output
  • Prescaler divides the frequency of master oscillator by 2
  • Automotive AEC-Q100 qualified

Applications

Signal Processing, Power Management, Industrial, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

263 In stock Need more?

263 UK stock available for 3-4 business days delivery

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