LTC6902
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LTC6902

Multiphase Oscillator with Spread Spectrum Frequency Modulation

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Part Details
Part Models 4
1ku List Price Starting From $3.05
Features
  • 2-, 3- or 4-Phase Outputs
  • Optional Spread Spectrum Frequency Modulation for Improved EMC Performance
  • 5kHz to 20MHz Frequency Range
  • One External Resistor Sets the Frequency
  • One External Resistor Sets Percent Frequency Spreading
  • 400µA Typical Supply Current, VS = 3V, 1MHz
  • Frequency Error < 1.5% Max, 5kHz to 10MHz (TA = 25°C)
  • Frequency Error < 2% Max, 5kHz to 10MHz (TA = 0°C to 70°C)
  • ±40ppm/°C Temperature Stability
  • Fast Start-Up Time: 50µs to 1.5ms
  • 100Ω CMOS Output Driver
  • Operates from a Single 2.7V to 5.5V Supply
  • Available in 10-Lead MS Package
Additional Details
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The LTC6902 is a precision, low power and easy-to-use oscillator that provides multiphase outputs in a small package. The oscillator frequency is set by a single external resistor (RSET). The LTC6902 also provides an optional spread spectrum frequency modulation (SSFM) capability that can be activated and controlled by an additional external resistor (RMOD).

The LTC6902's master oscillator is controlled by the RSET resistor and has a range of 100kHz and 20MHz. In order to accommodate a wider output frequency range, a programmable divider (divide by 1, 10 or 100) is included. The integrated programmable multiphase circuit provides either 2-, 3- or 4-phase waveforms.

The LTC6902's SSFM capability modulates the oscillator's frequency by a pseudorandom noise (PRN) signal to spread the oscillator's energy over a wide frequency band. This spreading decreases the peak electromagnetic radiation level and improves electromagnetic compatibility (EMC) performance. The amount of frequency spreading is programmable by a single additional external resistor (RMOD) and is disabled by grounding the MOD pin.

Applications

  • Switching Power Supply Clock Reference
  • Portable and Battery-Powered Equipment
  • PDAs
  • Cell Phones
  • Clocking Switched Capacitor Filters
Part Models 4
1ku List Price Starting From $3.05

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Feb 4, 2020

- 20_0130

Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

LTC6902CMS#PBF

PRODUCTION

LTC6902CMS#TRPBF

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LTC6902IMS#PBF

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Filter by Model

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Feb 4, 2020

- 20_0130

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Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

LTC6902CMS#PBF

PRODUCTION

LTC6902CMS#TRPBF

PRODUCTION

LTC6902IMS#PBF

PRODUCTION

LTC6902IMS#TRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Reference Designs

Reference Designs 9

HTG-K7-PCIE Dev Board

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xilinx-kintex-7-pci-express-development-board

xilinx-kintex-7-pci-express-development-board

Circuits from the lab

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Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
View Detailed Reference Design external link
NOVPED iMX6 QP Dev Kit

NXP iMX6 Platform EVK Hardware Verified Design for IO and Robust Power Supply

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nxp-novped-imx6-qp-development-board

NXP iMX6 Platform EVK Hardware Verified Design for IO and Robust Power Supply

nxp-novped-imx6-qp-development-board

Circuits from the lab

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NXP iMX6 Platform EVK Hardware Verified Design for IO and Robust Power Supply

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
View Detailed Reference Design external link
Xilinx VU37P Board

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htg-937

Circuits from the lab

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Features and Benefits

The HTG-937 provides access to large FPGA gate density and 8GB/16GB of high bandwidth memory. It is populated with the Xilinx Zynq Virtex Ultrascale VU37P, or VU47P. Analog Devices power solution on this platform is fully validated to meet the requirements of Xilinx Zynq Virtex Ultrascale FPGAs to ensure a robust power delivery solution.

DC/DC μModule regulators are used on the HTG-937 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

We provide supporting documentation including power schematics, layout, LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly.

View Detailed Reference Design external link
Ultrascale+ 910

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htg-910

Circuits from the lab

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Features and Benefits

The HTG-910 is low profile network card that provides access to eight lanes of PCI Express. It is populated with the Xilinx Zynq Virtex Ultrascale VU5P, VU9P, VU13P or Ultrascale VU190 FPGA. Analog Devices power solution on this platform is fully validated to meet the requirements of Xilinx Zynq Virtex Ultrascale FPGAs to ensure a robust power delivery solution.

DC/DC μModule regulators are used on the HTG-910 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

We provide supporting documentation including power schematics, layout, LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly.

View Detailed Reference Design external link
Zynq UltraScale Board 922

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htg-z922

Circuits from the lab

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Features and Benefits

The HTG-Z922 provides access to large FPGA gate densities, wide range of I/O and expandable DDR4 memory for variety of different programmable applications. It is populated with the Xilinx Zynq Ultrascale+ ZU17-2 or ZU19-2 FPGA. Analog Devices power solution on this platform is fully validated to meet the requirements of Xilinx Zynq Ultrascale+ FPGAs to ensure a robust power delivery solution.

DC/DC μModule regulators are used on the HTG-Z922 to power Xilinx FPGA and/or SoC rails as well as other system rails. These regulators are highly integrated solutions with built in controller, power FETs, inductors, and capacitors that simplify layout and provide robust power delivery performance.

We provide supporting documentation including power schematics, layout, LTpowerPlanner and applicable LTpowerPlay configuration files to enable you to validate the power solution for your application seamlessly.

View Detailed Reference Design external link
DK-DEV-4SE530N Dev Kit

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altera-stratix-iv-e-fpga-development-kit

altera-stratix-iv-e-fpga-development-kit

Circuits from the lab

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Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
View Detailed Reference Design external link
DK-VIDEO-4SGX230N Dev Kit

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altera-audio-video-development-kit-stratix-iv-gx-edition

altera-audio-video-development-kit-stratix-iv-gx-edition

Circuits from the lab

tooltip Info:Circuits from the lab

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
View Detailed Reference Design external link
DK-DEV-4SGX230N Dev Kit

zoomopens a dialog

altera-stratix-iv-gx-fpga-development-kit

altera-stratix-iv-gx-fpga-development-kit

Circuits from the lab

tooltip Info:Circuits from the lab

Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
View Detailed Reference Design external link
DE4 Dev Kit

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Terasic DE4 Development and Education Board

Terasic DE4 Development and Education Board

Circuits from the lab

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Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
View Detailed Reference Design external link

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