LMX2572RHAR
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Texas Instruments LMX2572RHAR

Manufacturer No:
LMX2572RHAR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC FREQ SYNTHESIZER RF 40VQFN
Delivery:
Payment:
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Product Introduction

Overview

The LMX2572RHAR is a low-power, high-performance wideband RF synthesizer produced by Texas Instruments. This device is capable of generating frequencies from 12.5 MHz to 6.4 GHz without the need for an internal doubler. It is designed to offer excellent phase noise performance and low power consumption, making it suitable for a variety of high-frequency applications. The LMX2572RHAR features a single 3-V to 3.5-V power supply and integrates LDOs, eliminating the need for onboard low-dropout regulators.

Key Specifications

Parameter Value Unit
Output Frequency Range 12.5 MHz to 6.4 GHz
Power Consumption 75 mA at 3.3-V supply
Phase Noise at 100-kHz Offset –106 dBc/Hz with 6.4-GHz carrier
PLL Figure of Merit –232 dBc/Hz
PLL Normalized 1/f Noise –123.5 dBc/Hz
Fractional-N Divider Bits 32-Bit
Power Supply Voltage 3-V to 3.5-V
Ambient Temperature Range –40°C to 85°C
Junction Temperature 125°C

Key Features

  • Support for JESD204B SYSREF with programmable delay
  • Synchronization of output phase across multiple devices
  • Support for ramp and chirp functions
  • Support for FSK direct digital modulation
  • Two programmable output power level differential outputs
  • Fast VCO calibration speed: < 20 µs
  • Programmable input multiplier to remove integer boundary spurs
  • Fine delay adjustment to account for delay mismatch on the board or within devices

Applications

  • Test and measurement equipment
  • Digital 2-way radios
  • Low power radio communication systems
  • Satellite communication
  • Wireless microphones
  • Proprietary wireless connectivity
  • MIMO (Multiple Input Multiple Output) systems
  • RADAR systems
  • High-speed data converter clocking

Q & A

  1. What is the output frequency range of the LMX2572RHAR?

    The output frequency range is from 12.5 MHz to 6.4 GHz.

  2. How much power does the LMX2572RHAR consume at 3.3-V supply?

    The device consumes 75 mA at 3.3-V supply.

  3. What is the phase noise performance of the LMX2572RHAR at 100-kHz offset with a 6.4-GHz carrier?

    The phase noise is –106 dBc/Hz at 100-kHz offset with a 6.4-GHz carrier.

  4. Does the LMX2572RHAR support JESD204B SYSREF?

    Yes, it supports JESD204B SYSREF with programmable delay.

  5. Can the LMX2572RHAR synchronize the output phase across multiple devices?

    Yes, it can synchronize the output phase across multiple devices.

  6. What is the calibration speed of the VCO in the LMX2572RHAR?

    The VCO calibration speed is less than 20 µs.

  7. Does the LMX2572RHAR support FSK modulation?

    Yes, it supports FSK direct digital modulation.

  8. What are some of the key applications of the LMX2572RHAR?

    Key applications include test and measurement equipment, digital 2-way radios, satellite communication, and high-speed data converter clocking.

  9. What is the operating temperature range of the LMX2572RHAR?

    The ambient temperature range is –40°C to 85°C.

  10. How many bits does the fractional-N divider in the LMX2572RHAR have?

    The fractional-N divider is 32-bit.

Product Attributes

Type:Frequency Synthesizer (RF)
PLL:Yes with Bypass
Input:Clock
Output:- 
Number of Circuits:1
Ratio - Input:Output:1:2
Differential - Input:Output:Yes/Yes
Frequency - Max:6.4GHz
Divider/Multiplier:Yes/Yes
Voltage - Supply:3V ~ 3.5V
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:40-VFQFN Exposed Pad
Supplier Device Package:40-VQFN (6x6)
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Similar Products

Part Number LMX2572RHAR LMX2572RHAT LMX2592RHAR
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Type Frequency Synthesizer (RF) Frequency Synthesizer (RF) -
PLL Yes with Bypass Yes with Bypass -
Input Clock Clock -
Output - - -
Number of Circuits 1 1 -
Ratio - Input:Output 1:2 1:2 -
Differential - Input:Output Yes/Yes Yes/Yes -
Frequency - Max 6.4GHz 6.4GHz -
Divider/Multiplier Yes/Yes Yes/Yes -
Voltage - Supply 3V ~ 3.5V 3V ~ 3.5V -
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 40-VFQFN Exposed Pad 40-VFQFN Exposed Pad 40-VFQFN Exposed Pad
Supplier Device Package 40-VQFN (6x6) 40-VQFN (6x6) 40-VQFN (6x6)

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