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LT5557EUF#PBF - 

RF Active Mixer Downconverter IC, 2.9 V to 3.9 V, 400 MHz to 3.8 GHz, QFN-16

LINEAR TECHNOLOGY LT5557EUF#PBF

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Manufacturer Part No:
LT5557EUF#PBF
Order Code:
1329362
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
-40°C
:
85°C
:
16Pins
:
-
:
3.8GHz
:
2.9V
:
QFN
:
Each
:
400MHz
:
3.9V
:
MSL 1 - Unlimited
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Product Overview

The LT5557EUF#PBF is a 400MHz to 3.8GHz 3.3V Active Down-converting Mixer for high linearity applications. The IC includes a high speed differential LO buffer amplifier driving a double-balanced mixer. Broadband, integrated transformers on the RF and LO inputs provide single-ended 50R interfaces. The differential IF output allows convenient interfacing to differential IF filters and amplifiers or is easily matched to drive a single-ended 50R load, with or without an external transformer. The RF input is internally matched to 50R from 1.6 to 2.3GHz and the LO input is internally matched to 50R from 1 to 5GHz. The frequency range of both ports is easily extended with simple external matching. The IF output is partially matched and usable for IF frequencies up to 600MHz. The LT5557's high level of integration minimizes the total solution cost, board space and system-level variation.
  • 25.6dBm at 900MHz, 24.7dBm at 1950MHz, 23.7dBm at 2.6GHz High input IP3
  • 3.3dB at 900MHz, 2.9dB at 1950MHz Conversion gain
  • -3dBm LO Drive level
  • Low LO leakage
  • 10.6dB at 900MHz, 11.7dB at 1950MHz Low noise figure
  • 3.3V/269mW Low power
  • 50R Single-ended RF and LO ports
  • Very few external components

Applications

RF Communications, Wireless, Signal Processing