Overview
The LMX8410L, part number LMX8410RGZT, is a high-performance wideband I/Q demodulator with an integrated local oscillator (LO) and intermediate frequency (IF) amplifier, produced by Texas Instruments. This device operates within an RF frequency input range of 4 to 10 GHz and has an IF output range of DC to 1350 MHz. It is designed to provide excellent dynamic range and high data-rate capabilities, making it suitable for various high-performance applications. The LMX8410L integrates several key components, including a wideband RF input balun, a high-performance PLL and VCO, an IF amplifier, and low-noise LDOs, which simplify the board design and reduce the need for external components.
Key Specifications
| Specification | Value |
|---|---|
| Package | VQFN (RGZ) with 48 pins |
| Operating Temperature Range | -40°C to 85°C |
| RF Input Frequency Range | 4 GHz to 10 GHz |
| IF Output Frequency Range | DC to 1350 MHz |
| Input IP3 | 28 dBm at 5-GHz RF Input |
| Noise Figure | 15 dB at 5-GHz RF Input |
| Conversion Gain | 11 dB at 5-GHz RF Input |
| Integrated Noise (DSB) | Up to 56.5-dBc at 5 GHz carrier |
| Package Size | 7-mm × 7-mm |
Key Features
- Wideband RF Input: 4 to 10 GHz
- Large IF Bandwidth: DC to 1350 MHz
- Integrated Wideband RF Input Balun
- Automatic Offline DC Offset Correction to ±2 mV
- Programmable IMRR Calibration
- Synchronization Feature for Multiple Devices
- High-Performance Integrated LO Synthesizer with PLL FOM of –236 dBc/Hz
- External LO Mode: Integrated LO Synthesizer can be Bypassed; Support External LO Injection
- Integrated Low-Noise LDOs
- Fine Control of Gain and Phase of I and Q Channels via SPI Interface
Applications
The LMX8410L is suitable for a variety of high-performance applications, including but not limited to:
- High Data-Rate Communication Systems
- Radar Systems
- Test and Measurement Equipment
- Wireless Infrastructure
- Defense and Aerospace Applications
Q & A
- What is the RF input frequency range of the LMX8410L?
The RF input frequency range of the LMX8410L is from 4 GHz to 10 GHz.
- What is the IF output frequency range of the LMX8410L?
The IF output frequency range of the LMX8410L is from DC to 1350 MHz.
- What is the input IP3 of the LMX8410L at 5 GHz?
The input IP3 of the LMX8410L at 5 GHz is 28 dBm.
- Does the LMX8410L have an integrated LO synthesizer?
Yes, the LMX8410L has a high-performance integrated LO synthesizer.
- Can the integrated LO synthesizer be bypassed for external LO injection?
Yes, the integrated LO synthesizer can be bypassed to support external LO injection.
- What is the package size of the LMX8410L?
The package size of the LMX8410L is 7-mm × 7-mm in a VQFN (RGZ) package with 48 pins.
- Does the LMX8410L support synchronization across multiple devices?
Yes, the LMX8410L supports phase synchronization across multiple devices.
- How is the DC offset correction performed in the LMX8410L?
The LMX8410L performs automatic offline DC offset correction to less than ±2 mV.
- What interface is used for fine control of gain and phase in the LMX8410L?
The SPI interface is used for fine control of gain and phase of the I and Q channels.
- What are some typical applications of the LMX8410L?
The LMX8410L is typically used in high data-rate communication systems, radar systems, test and measurement equipment, wireless infrastructure, and defense and aerospace applications.
