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LTC1564 - LTC1564是10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A

LTC1564是LINEAR凌力尔特公司的一款可编程增益放大器产品，LTC1564是LTC1564是10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A，本站介绍了LTC1564的封装应用图解、特点和优点、功能等，并给出了与LTC1564相关的LINEAR元器件型号供参考。

LTC1564 - LTC1564是10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A - 可编程增益放大器 - 信号调理 - 凌力尔特

LTC1564 - 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A

LTC1564 - 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A - Linear Technology（凌力尔特）

功能描述

The LTC1564 is a new type of continuous time filter for antialiasing, reconstruction and other band-limiting applications. No other analog components or filter expertise are needed to use it. There is one analog input pin and one analog output pin. The cutoff frequency (fC) and gain are programmable while the shape of the lowpass response is fixed. A latching digital interface stores fC and gain settings or it can be bypassed for control directly from the pins. The LTC1564 operates from 2.7V to 10V total (single or split supplies) and comes in a 16-pin surface mount SSOP.

The LTC1564 is a rail-to-rail high resolution 8th-order lowpass filter with two stopband notches, giving approximately 100dB attenuation at 2.5 times the passband cutoff frequency fC (a de-facto standard for DSP front ends). Signals with low or variable levels can be normalized with the built-in variable gain that reduces input-referred noise with increasing gain for a typical dynamic range (maximum signal level to minimum noise) of 122dB (20 equivalent bits) with 20kHz fC and 118dB at 100kHz fC on a ±5V supply.

Other frequency-response shapes can be provided upon request. Please contact LTC Marketing.

特点

4-Bit Digitally Controlled 8th-Order Lowpass FilterfCUTOFF Adjustable from 10kHz to 150kHz in 10kHz Steps

4-Bit Digitally Controlled Programmable Gain Amplifier G = 1 to 16 in 1V/V Steps

Miniature 16-Pin SSOP Package

No External Components

122dB Total System Dynamic Range

Rail-to-Rail Input and Output Range

2.7V to 10V Operation

Low Noise Mute Mode

Low Power Shutdown Mode

Available in 16-Lead Plastic SSOP Package

应用

Antialias or Reconstruction Filtering

DSP Systems

Communications Systems

Scientific Instruments

High Resolutions (16 Bits to 20 Bits)

Processing Signals Buried in Noise

Audio Signal Processing

Programmable Data Rates

Automatic Gain Control (AGC)

Single Part Replacing Multiple Filters

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LTC1564CG	SSOP-16	C	$10.13	$8.95
LTC1564CG#PBF	SSOP-16	C	$10.13	$8.95
LTC1564CG#TR	SSOP-16	C		$9.01
LTC1564CG#TRPBF	SSOP-16	C		$9.01
LTC1564IG	SSOP-16	I	$11.67	$10.30
LTC1564IG#PBF	SSOP-16	I	$11.67	$10.30
LTC1564IG#TR	SSOP-16	I		$10.36
LTC1564IG#TRPBF	SSOP-16	I		$10.36

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