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LT5575EUF#PBF

RF Modulation / Demodulation IC, 800 MHz to 2.7 GHz, 4.5 V to 5.25 V supply, QFN-16

LINEAR TECHNOLOGY LT5575EUF#PBF
LINEAR TECHNOLOGY LT5575EUF#PBF

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Manufacturer Part No:
LT5575EUF#PBF
Order Code:
1345578
Technical Datasheet:
LT5575EUF#PBF   Datasheet
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Product Overview

The LT5575EUF#PBF is a 800MHz to 2.7GHz direct conversion Quadrature Demodulator optimized for high linearity receiver applications. It is suitable for communications receivers where an RF signal is directly converted into I and Q baseband signals with bandwidth up to 490MHz. The LT5575 incorporates balanced I and Q mixers, LO buffer amplifiers and a precision, high frequency quadrature phase shifter. The integrated on-chip broadband transformers provide 50R single-ended interfaces at the RF and LO inputs. Only a few external capacitors are needed for its application in an RF receiver system. The high linearity of the LT5575 provides excellent spur-free dynamic range for the receiver. This direct conversion demodulator can eliminate the need for intermediate frequency (IF) signal processing, as well as the corresponding requirements for image filtering and IF filtering. Channel filtering can be performed directly at the outputs of the I and Q channels.
  • 28dBm at 900MHz, 22.6dBm at 1.9GHz High IIP3
  • 54.1dBm at 900MHz, 60dBm at 1.9GHz High IIP2
  • 13.2dBm at 900MHz Input P1dB
  • 0.04dB Typical I/Q gain mismatch
  • 0.4° Typical I/Q phase mismatch
  • Low output DC offsets
  • 12.8dB at 900MHz, 12.7dB at 1.9GHz Noise figure
  • 3dB at 900MHz, 4.2dB at 1.9GHz Conversion gain
  • Very few external components
  • Shutdown mode

Applications

RF Communications, Signal Processing

Product Information

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:
800MHz

:
2.7GHz

:
4.5V

:
5.25V

:
QFN

:
16Pins

:
-40°C

:
85°C

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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