LT5578

PRODUCTION

0.4GHz to 2.7GHz High Linearity Upconverting Mixer

Part Models: 2
1ku List Price: Starting From $6.53

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Overview

High Output IP3:
- 27dBm at 0.9GH
- 24.3dBm at 1.95GHz
Low Noise Floor: –158dBm/Hz (P_OUT = –5dBm)
High Conversion Gain: 1.4dB at 0.9GHz
Noise Figure: 8.6dB
Low LO-RF Leakage: –43dBm
Single-Ended RF and LO Ports
Low LO Drive Level: –1dBm
Single 3.3V Supply
5mm × 5mm QFN24 Package (Pin Compatible with LT5579)

The LT5578 mixer is a high performance upconverting mixer optimized for frequencies in the 0.4GHz to 2.7GHz range. The single-ended LO input and RF output ports simplify board layout and reduce system cost. The mixer needs only –1dBm of LO power and the balanced design results in low LO signal leakage to the RF output. At 1.95GHz operation, the LT5578 provides conversion gain of –0.7dB, high OIP3 of 24.3dBm and a low noise floor of –158dBm/Hz at a –5dBm RF output signal level.

The LT5578 offers a high performance alternative to passive mixers. Unlike passive mixers, which have conversion loss and require high LO drive levels, the LT5578 delivers conversion gain at significantly lower LO input levels and is less sensitive to LO power level variations. The lower LO drive level requirements, combined with the excellent LO leakage performance, translate into lower LO signal contamination of the output signal.

Applications

GSM 900PCS/1800PCS and W-CDMA Infrastructure
LTE and WiMAX Basestations
Wireless Repeaters
Public Safety Radios

Part Models: 2
1ku List Price: Starting From $6.53

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LT5578IUH#PBF	24-Lead QFN (5mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LT5578IUH#TRPBF	24-Lead QFN (5mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Low-Noise Amplifiers (LNAs) & Power Amplifiers 1
LTC6431-20	RECOMMENDED FOR NEW DESIGNS	20dB Gain Block, 50Ω IF Amplifier
Phase-Locked Loop (PLL) Synthesizers 1
LTC6948	LAST TIME BUY	Ultralow Noise 0.37GHz to 6.39GHz Fractional-N Synthesizer with Integrated VCO

Parts	Product Life Cycle	Description
LTC5510	PRODUCTION	1MHz to 6GHz Wideband High Linearity Active Mixer

Tools & Simulations

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

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