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ANALOG DEVICES LT5575EUF#PBF

RF IC, Demodulator, Quadrature, 800 MHz to 2.7 GHz, 4.5 to 5.25 V Supply, -40 to 85 °C, QFN-EP-16

ANALOG DEVICES LT5575EUF#PBF
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Manufacturer Part No:
LT5575EUF#PBF
Order Code:
4030211
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Technical Datasheet:
LT5575EUF#PBF   Datasheet
ECAD / MCAD
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Product Overview

LT5575 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. It incorporates balanced I and Q mixers, LO buffer amplifiers and a precision, high frequency quadrature phase shifter. The integrated on-chip broadband transformers provide 50 ohm 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 device 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. It is used in applications such as cellular/PCS/UMTS infrastructure, RFID reader, high linearity direct conversion I/Q receiver.
  • Input 3rd-order intercept is 23dBm typical at (RF = 900MHz, VCC = +5V, EN = high, TA = 25°C)
  • Input 2nd-order intercept is 54.1dBm typical at (RF = 900MHz, VCC = +5V, EN = high, TA = 25°C)
  • Input 1dB compression is 13.2dBm typical at (RF = 900MHz, VCC = +5V, EN = high, TA = 25°C)
  • I/Q gain mismatch is 0.04dB typical at (RF = 2100MHz, VCC = +5V, EN = high, TA = 25°C)
  • I/Q phase mismatch is 0.4° typical at (RF = 1900MHz, VCC = +5V, EN = high, TA = 25°C)
  • Low output DC offsets, shutdown mode
  • Noise figure (double-side band) is 12.8dB typical at (RF = 900MHz, VCC = +5V, EN = high, TA = 25°C)
  • Conversion gain is 3dB typical at (RF = 900MHz, VCC = +5V, EN = high, TA = 25°C)
  • Operating temperature range from -40°C to 85°C
  • Package style is 16-lead QFN

Product Information

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:
800MHz

:
2.7GHz

:
4.5V

:
5.25V

:
QFN-EP

:
16Pins

:
-40°C

:
85°C

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Technical Documents (1)

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