LTC1564CGPBF

更新时间： 2024-11-07 13:09:43

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	229K
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LTC1564CGPBF 数据手册

LTC1564

10kHz to 150kHz

Digitally Controlled

Antialiasing Filter and 4-Bit P.G.A

FEATURES

DESCRIPTIO

■

4-Bit Digitally Controlled 8th-Order Lowpass Filter

The LTC^®1564 is a new type of continuous time filter for

antialiasing,reconstructionandotherband-limitingappli-

cations.Nootheranalogcomponentsorfilterexpertiseare

needed to use it. There is one analog input pin and one

analog output pin. The cutoff frequency (f_C) and gain are

programmablewhiletheshapeofthelowpassresponseis

fixed.Alatchingdigitalinterfacestoresf_Candgainsettings

oritcanbebypassedforcontroldirectlyfromthepins.The

LTC1564 operates from 2.7V to 10V total (single or split

supplies) and comes in a 16-pin surface mount SSOP.

– f_CUTOFFAdjustable from 10kHz to 150kHz in 10kHz

Steps

– 100dB Attenuation at 2.5 × f_CUTOFF

■

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

The LTC1564 is a rail-to-rail high resolution 8th-order

lowpass filter with two stopband notches, giving approxi-

mately100dBattenuationat2.5timesthepassbandcutoff

frequency f_C(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 (maxi-

mumsignalleveltominimumnoise)of122dB(20equiva-

lent bits) with 20kHz f_Cand 118dB at 100kHz f_Con a ±5V

supply.

■

2.7V to 10V Operation

Low Noise Mute Mode

■

Low Power Shutdown Mode

APPLICATIO S

■

Antialias or Reconstruction Filtering

■

DSP Systems

■

Communications Systems

Scientific Instruments

■

High Resolutions (16 Bits to 20 Bits)

Other frequency-response shapes can be provided upon

request. Please contact LTC Marketing.

■

Processing Signals Buried in Noise

■

Audio Signal Processing

, LTC and LT are registered trademarks of Linear Technology Corporation.

■

Programmable Data Rates

■

Automatic Gain Control (AGC)

■

Single Part Replacing Multiple Filters

TYPICAL APPLICATIO

LTC1564 Programmable Range

Low Noise Programmable Filter with Variable Gain

f = 150kHz

GAIN = 16V/V

0.1µF

ANALOG

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

–120

GAIN CODE

16 15 14 13 12 11 10

–

AND V SUPPLIES CAN BE FROM

IN AGND

RST G3 G2 G1 G0

1.35V TO 5.25V EACH

TIE F AND G PINS TO V OR V TO

SET FREQUENCY AND GAIN

DYNAMIC RANGE 118dB TO 122dB

AT ±5V DEPENDING ON FREQUENCY CODE

–

LTC1564

= 10kHz

CS/

GAIN = 1V/V

–

OUT

EN HOLD F3 F2 F1 F0

0.1µF

FREQUENCY CODE

ANALOG

OUT

100

500

FREQUENCY (kHz)

1564 TA01

–

1564 TA02

12 3 4 5 6 7...12

中文翻译

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与LTC1564CGPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC1564IG	Linear	获取价格	10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A
LTC1564IG#PBF	Linear	获取价格	LTC1564 - 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A; Packag
LTC1564IG#TRPBF	Linear	获取价格	LTC1564 - 10kHz to 150kHz Digitally Controlled Antialiasing Filter and 4-Bit P.G.A; Packag
LTC1565-31	Linear	获取价格	650kHz Continuous Time, Linear Phase Lowpass Filter
LTC1565-31	ADI	获取价格	650kHz 连续时间、线性相位低通滤波器
LTC1565-31_1	Linear	获取价格	650kHz Continuous Time, Linear Phase Lowpass Filter
LTC1565-31CS8	Linear	获取价格	650kHz Continuous Time, Linear Phase Lowpass Filter
LTC1565-31CS8#PBF	Linear	获取价格	LTC1565-31 - 650kHz Continuous Time, Linear Phase Lowpass Filter; Package: SO; Pins: 8; Te
LTC1565-31CS8#TR	Linear	获取价格	LTC1565-31 - 650kHz Continuous Time, Linear Phase Lowpass Filter; Package: SO; Pins: 8; Te
LTC1565-31CS8#TRPBF	Linear	获取价格	LTC1565-31 - 650kHz Continuous Time, Linear Phase Lowpass Filter; Package: SO; Pins: 8; Te

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