LTC1563-3CGN#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	Bessel, Low Pass Switched Capacitor
Frequency - Cutoff or Center:	256kHz
Number of Filters:	1
Filter Order:	4th
Voltage - Supply:	2.7 V ~ 11 V, ±2.7 V ~ 5.5 V
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	LTC1563

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LTC1563-3CGN#TRPBF Application Field and Working Principle

The LTC1563-3CGN#TRPBF is a high-performance, active two-pole low-pass filter integrated circuit (IC). The device integrates three stages of low-pass filtering that can provide either a low-margin soft noise-rejection characteristic or a sharp accentuated low-end rejection character. The LTC1563-3CGN#TRPBF was designed for applications that need ultralow-noise filtering of low-frequency signals, such as before audio stages.

Filtering Characteristics

The LTC1563-3CGN#TRPBF is a high-performance active two-pole low-pass filter IC. The LTC1563-3CGN#TRPBF has a nominal −3 dB corner frequency of 3 kHz and a −12 dB per octave roll-off. The −3 dB corner frequency is adjustable with external capacitance. The fixed-gain filter also offers a variety of output power options.

Device Features

The LTC1563-3CGN#TRPBF is a complete active two-pole low-pass filter, offering several features. It offers ultralow-noise filtering of low-frequency signals. It can provide both a low-margin soft noise-rejection characteristic and a sharp accentuated low-end rejection characteristic. The LTC1563-3CGN#TRPBF is designed for use in applications such as professional audio systems, studio sound, and home entertainment systems. It is suitable for balanced and unbalanced line level signals.The LTC1563-3CGN#TRPBF integratessnag-free, low-noise transistors and 0.1% current matching and thermal tracking to guarantee an extremely low-noise performance. The unit offers very reliable operation, offering a maximum total gain error of 0.5 dB.

Application Fields and Working Principle

The LTC1563-3CGN#TRPBF is ideal for use in professional audio systems, studio sound, and home entertainment systems. It is suitable for balanced and unbalanced line level signals.The LTC1563-3CGN#TRPBF integrates three stages of low-pass filtering. The first stage is a differential amplifier, which amplifies the input signal, but with a flat response. The second stage of the filter is an amplifier. The amplifier has a pole in its frequency response, at which the gain drops by a factor of two. The third stage is another amplifier. This amplifier has two poles in its frequency response, at which the gain drops by two.The overall frequency response of the filter is determined by the three poles in the amplifier stages. The −3 dB corner frequency is adjustable with external capacitance. The fixed-gain filter also offers a variety of output power options. The unit offers a very low noise performance, offering a maximum total gain error of 0.5 dB.

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