Datasheet > LTC1069-7I

LTC1069-7I

更新时间： 2024-11-19 22:06:39

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	230K
描述
Linear Phase 8th Order Lowpass Filter

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LTC1069-7I 数据手册

LTC1069-7

Linear Phase

8th Order Lowpass Filter

cutoff frequency of the LTC1069-7 is set by an external

clock and is equal to the clock frequency divided by 25.

The ratio of the internal sampling frequency to the cutoff

frequencyis50:1thatis,theinputsignalissampledtwice

perclockcycletolowertheriskofaliasing.TheLTC1069-

7 can be operated from a single 5V supply up to dual±5V

supplies.

FEATURES

■

8th Order, Linear Phase Filter in SO-8 Package

■

Raised Cosine Amplitude Response

■

–43dB Attenuation at 2× f_CUTOFF

■

Wideband Noise: 140µV_RMS

■

Operates from Single 5V Supply to

±5V Power Supplies

The gain and phase response of the LTC1069-7 can be

usedindigitalcommunicationsystemswherepulseshap-

ing and channel bandwidth limiting must be carried out.

Any system that requires an analog filter with linear phase

and sharper roll off than conventional Bessel filters can

use the LTC1069-7.

■

Clock-Tunable to 200kHz with ±5V Supplies

Clock-Tunable to 120kHz with Single 5V Supply

■

APPLICATIONS

■

Digital Communication Filter

Antialiasing Filter with Linear Phase

Smoothing Filters

■

The LTC1069-7 has a wide dynamic range. With ±5V

supplies and an input range of 0.1V_RMSto 2V_RMS, the

signal-to-(noise + THD) ratio is ≥ 60dB. The wideband

noise of the LTC1069-7 is 140µV_RMS. Unlike other

LTC1069-X filters, the typical passband gain of the

LTC1069-7 is equal to –1V/V.

■

DESCRIPTION

The LTC^®1069-7 is a monolithic, clock-tunable, linear

phase, 8th order lowpass filter. The amplitude response

of the filter approximates a raised cosine filter with an

alphaofone. Thegainatthecutofffrequencyis–3dBand

the attenuation at twice the cutoff frequency is 43dB. The

The LTC1069-7 is available in an SO-8 package.

Other filter responses with lower power/speed specifica-

tions can be obtained. Please contact LTC Marketing.

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

TYPICAL APPLICATION

Frequency Response

Single 5V Supply, Linear Phase 100kHz Lowpass Filter

–10

–20

–30

–40

–50

–60

–70

AGND

OUT

–

0.47µF

0.1µF

LTC1069-7

= 2.5MHz

1069-7 TA01

CLK

100

1000

FREQUENCY (kHz)

1069-7 TA02

12 3 4 5 6 7 8

中文翻译

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与LTC1069-7I相关器件

型号	品牌	获取价格	描述	数据表
LTC1069-7IS8	Linear	获取价格	Linear Phase 8th Order Lowpass Filter
LTC1069-7IS8#PBF	Linear	获取价格	LTC1069-7 - Linear Phase 8th Order Lowpass Filter; Package: SO; Pins: 8; Temperature Range
LTC1069-7IS8#TRPBF	Linear	获取价格	LTC1069-7 - Linear Phase 8th Order Lowpass Filter; Package: SO; Pins: 8; Temperature Range
LTC1077	Linear	获取价格	Temperature Sensor with Alert Outputs Voltage Output Proportional to Temperature
LTC1090	Linear	获取价格	Single Chip 10-Bit Data Acquisition System
LTC1090	ADI	获取价格	单芯片 10 位数据采集系统
LTC1090AC	Linear	获取价格	Single Chip 10-Bit Data Acquisition System
LTC1090ACJ	Linear	获取价格	Single Chip 10-Bit Data Acquisition System
LTC1090ACN	Linear	获取价格	Single Chip 10-Bit Data Acquisition System
LTC1090ACN#PBF	Linear	获取价格	LTC1090 - Single Chip 10-Bit Data Acquisition System; Package: PDIP; Pins: 20; Temperature

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