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LTC1566-1 Series

Low Noise 2.3MHz Continuous Time Lowpass Filter

Manufacturer: Analog Devices

Catalog

Low Noise 2.3MHz Continuous Time Lowpass Filter

Key Features

• 7th Order, 2.3MHz Lowpass Filter in an SO-8
• 62µVRMSInput Referred Noise
• Operates on a Single 5V or a ±5V Supply
• Differential Inputs and Outputs
• Low Offset (3mV typical, 10mVMAX)
• Adjustable Output Common Mode Voltage
• 40dB Attenuation at 1.5 x fCUTOFF
• Requires No External Components

Description

AI
The LTC1566-1 is a 7th order continuous time lowpass filter with 12dB of passband gain. The selectivity, linearity and dynamic range makes the LTC1566-1 suitable for filtering in data communications or data acquisition systems. The filter attenuation is 40dB at 1.5 × fCUTOFFand at least 60dB for frequencies above 10MHz.The LTC1566-1 has an input referred noise of 62µVRMSin a 2MHz bandwidth. In receiver applications where the signal levels are small, the filter features 71dB of spurious free dynamic range.With 5% accuracy of the cutoff frequency, the LTC1566-1 can be used in applications requiring pairs of matched filters, such as transceiver I and Q channels.The differential inputs and outputs provide a simple interface for wireless systems. The high impedance inputs are easily coupled to differential demodulators or D/A converters. The output DC common mode voltage and output DC offset voltage are adjustable so the signal path can be optimized for driving an A/D converter or differential modulator.Other cutoff frequencies and single-ended I/O can be provided upon request. Please contact LTC Marketing.ApplicationsWCDMA BasestationsCommunication FiltersAntialiasing FiltersSmoothing or Reconstruction FiltersMatched Filter PairsReplacement for LC Filters