DS1090U-2+T The Analog Devices / Maxim Integrated DS1090U-2+T is a clock generator IC with a 4MHz output frequency. It operates from a 3V to 5.5V supply and is suitable for -40°C to 85°C environments.
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DS1090U-2+T

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Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices / Maxim Integrated DS1090U-2+T is a clock generator IC with a 4MHz output frequency. It operates from a 3V to 5.5V supply and is suitable for -40°C to 85°C environments.
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DS1090U-2+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Differential
Divider
Frequency
Input
Mounting Type
Number of Circuits
Operating Temperature
Output
PLL
Ratio
Supplier Device Package
Tape & Reel
Type
Voltage

DS1090U-2+T Description

Short technical summary and product information.

The DS1090U-2+T from Analog Devices / Maxim Integrated is a low-cost, spread-spectrum clock generator designed for applications requiring reduced peak-radiated emissions. It offers a programmable output frequency range from 125kHz to 8MHz, with this specific variant operating up to 4MHz.

 

This device features a single-supply operation from 3.0V to 5.5V and provides a CMOS/TTL-compatible output. The dither percentage and rate are user-programmable, allowing for customization to specific application needs. Its operating temperature range is -40°C to +85°C, making it suitable for a variety of industrial and embedded systems.

 

The DS1090U-2+T is supplied in an 8-uSOP package, designed for surface mounting. This compact package is ideal for space-constrained designs. The EconOscillator™ technology integrated into this device helps in reducing radiated emissions from switched-mode power supplies and other electronic systems.

 

Key applications include switched-mode power supplies, servers, printers, embedded microcontrollers, and industrial controls where precise clock generation with reduced EMI is critical.

DS1090U-2+T Quick Information

Product Type: Clock Generator
Series: EconOscillator™
Canonical Name: DS1090U-2+T Spread-Spectrum EconOscillator
Subcategory: Clock Generators, PLLs, Frequency Synthesizers

DS1090U-2+T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1090U-2+T Features

  • Low-cost spread-spectrum clock generator.
  • Output frequency programmable from 125kHz to 8MHz.
  • Dither percentage programmable from 0% to 8%.
  • Operates from 3.0V to 5.5V single supply.
  • Surface mount 8-uSOP package.

DS1090U-2+T Applications

  • Reduces peak-radiated emissions.
  • Ideal for switched-mode power supplies.
  • Suitable for embedded microcontrollers.
  • Used in industrial control systems.
  • Applicable in servers and printers.

DS1090U-2+T FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the DS1090U-2+T?

The DS1090U-2+T operates from a 3.0V to 5.5V single supply.

What is the output frequency of the DS1090U-2+T?

The nominal output frequency for the DS1090U-2+T is 4MHz.

What is the operating temperature range for this clock generator?

The DS1090U-2+T can operate in temperatures ranging from -40°C to +85°C.

What package type is the DS1090U-2+T supplied in?

The DS1090U-2+T is supplied in an 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) package.

What is the purpose of the dither function in the DS1090?

The dither function reduces peak-radiated emissions from power supplies at their fundamental and harmonic frequencies.

Can the output frequency be adjusted on the DS1090?

Yes, the output frequency is programmable from 125kHz to 8MHz.

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