LMX8410L

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High-Performance Mixer With Integrated Synthesizer

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Product details

Parameters

BB BW LP filter (Min) (MHz) 4000 BB BW LP filter (Max) (MHz) 10000 Supply voltage (Typ) (V) 5 IIP3 (Typ) (dBm) 28 IIP2 (Typ) (dBm) 46 Frequency (Typ) 5 to 10 GHz open-in-new Find other IQ demodulators

Package | Pins | Size

VQFN (RGZ) 48 49 mm² 7 x 7 open-in-new Find other IQ demodulators

Features

  • Wideband RF Input: 4 to 10 GHz
  • Large IF Bandwidth: DC to 1350 MHz
  • Input IP3: 28 dBm at 5-GHz RF Input
  • Noise Figure: 15 dB at 5-GHz RF Input
  • High Voltage Conversion Gain: 11 dB at 5-GHz RF Input
  • Integrated Wideband RF Input Balun
  • Automatic Offline DC Offset Correction to ±2 mV
  • Programmable IMRR Calibration
  • SYNC Feature for Multiple Devices
  • High-Performance Integrated LO Synthesizer: 56.5-dBc DSB Integrated Noise at 5-GHz carrier
  • External LO mode: Integrated LO Synthesizer can be Bypassed; Support External LO Injection
  • Integrated Low-Noise LDOs
  • 7-mm × 7-mm 48-pin QFN Package

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Description

The LMX8410L is a high-performance wideband (RF frequency input from 4 to 10 GHz) I/Q demodulator with an integrated LO and IF amplifier. With IIP3 of 28 dBm and NF of 15 dB (both at 5GHz), it provides excellent dynamic range for high performance applications. The device offers large complex bandwidth of 2.7 GHz for high data-rate applications.

The LMX8410L offers an automatic DC offset correction algorithm that reduces the offset to less than ±2 mV. Fine control of gain and phase of I and Q channels is enabled using SPI interface to achieve high image rejection.

The LMX8410L has a high level of integration providing high performance while saving board space and complexity. It integrates a wideband RF input balun, eliminating the need for external baluns. It integrates a high-performance PLL and VCO, eliminating the need for external LO and LO driver. The device also integrates an IF amplifier and several low noise LDOs, further simplifying the board.

The LMX8410L integrates a very low-noise synthesizer, with a PLL FOM of –236 dBc/Hz, providing up to 56.5-dBc DSB integrated noise at 5 GHz carrier. The LO allows for phase synchronization across multiple devices. The high-performance synthesizer output can be brought out to drive another stage or a data converter. The integrated LO can be bypassed for applications that share a common external LO.

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Technical documentation

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Type Title Date
* Datasheet LMX8410L High-Performance Mixer With Integrated Synthesizer datasheet (Rev. A) Nov. 14, 2018
Application notes Designing a High Performance 4-12GHz Direct Conversion Receiver with LMX8410L Feb. 18, 2019
User guides LMX8410LEVM User's Guide (Rev. A) Nov. 27, 2018
Technical articles Can a clock generator act as a jitter cleaner? Mar. 23, 2017
Technical articles Don’t let bad reference signals destroy the phase noise in your PLL/synthesizer Jan. 10, 2017
Technical articles A survival guide to scaling your PLL loop filter design Nov. 22, 2016
Technical articles What to do when your PLL does not lock Jul. 12, 2016

Design & development

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Hardware development

EVALUATION BOARDS Download
document-generic User guide
299
Description
The LMX8410LEVM is designed for evaluating LMX8410L, which is a 5-10 GHz downconverter with fully integrated LO synthesizer, mixer, and 1GHz differential quadrature output amplifiers. This EVM showcases the features of the LMX8410L, including adjustable image rejection and IP2 performance tuning (...)
Features
  • Adjustable Image Rejection Tuning (Gain/Phase)
  • Mixer Bias Tuning for Improved IP2
  • Automatic Output DC Offset Correction to Within 1mV
  • Configurable External VCM for Glueless ADC Connection
  • Mux for Internal or External LO Synthesizer
  • Internal LO Synthesizer Phase Synchronization

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Package Pins Download
VQFN (RGZ) 48 View options

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