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Vedi Specifiche Tecniche

LT5575EUF +BOM

High-frequency demodulation for data transmission applicatio

Produttore:

Analog Devices, Inc
ProduttorePart #:

LT5575EUF
Scheda dati:

LT5575EUF Scheda dati (PDF)
Feature-packaging:

Tube
Feature-pin-count:

16
Feature-cecc-qualified:

No
Feature-military:

No
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LT5575EUF

LT5575EUF Descrizione generale

The LT5575 is an 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 ampliﬁ ers and a precision, high frequency quadrature phase shifter. The integrated on-chip broadband transformers provide 50Ω 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 spurfree 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. These outputs can interface directly to channel-select filters (LPFs) or to baseband amplifiers.

Caratteristiche principali

Input Frequency Range: 0.8GHz to 2.7GHz*
50Ω Single-Ended RF and LO Ports
High IIP3: 28dBm at 900MHz, 22.6dBm at 1.9GHz
High IIP2: 54.1dBm at 900MHz, 60dBm at 1.9GHz
Input P1dB: 13.2dBm at 900MHz
I/Q Gain Mismatch: 0.04dB Typical
I/Q Phase Mismatch: 0.4° Typical
Low Output DC Offsets
Noise Figure: 12.8dB at 900MHz, 12.7dB at 1.9GHz
Conversion Gain: 3dB at 900MHz, 4.2dB at 1.9GHz
Very Few External Components
Shutdown Mode
16-Lead QFN 4mm × 4mm Package with Exposed Pad

Applicazione

Cellular/PCS/UMTS Infrastructure
RFID Reader
High Linearity Direct Conversion I/Q Receiver

Specifiche

feature-packaging	Tube	feature-rad-hard
feature-pin-count	16	feature-cecc-qualified	No
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	Yes	feature-svhc-exceeds-threshold	Yes

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