Datasheet > LF580

LF580

更新时间： 2024-11-21 23:46:11

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
4页	85K
描述
LF580 - 12dB/oct Butterworth Analog High Pass Filter

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LF580 数据手册

Dual, Continuous, Analog

Highpass Filter

LF580DATASHEET

FEATURES

DESCRIPTION

• only 2 small capacitors required

The LF580 continuous analog filter consists of two second

order(12dB/oct),tunable(0.2to10kHz)highpassButterworth

filter blocks.

• 200 to 10 kHz adjustable corner frequency

• dual 12 dB/Oct Butterworth filter (24 dB/Oct cascaded)

• 1.1 to 3.0 VDC operating range

Tracking and corner frequency of each block are controlled

by a single potentiometer. Cascading the two blocks

togetherresultsinasingle24dB/octhighpassfilterrequiring

only two external 0.001 µF capacitors for the filter response.

• adjustable by a single potentiometer

The output noise of each filter stage is typically 5.6µV.

Cascading the two filter blocks together will produce a

STANDARD PACKAGING

noise level which is

• 8 pin MICROpac

• 8 pin PLID ^®

V_N= (V_N1)²+ (V_N2

)

• Chip (66 x 61mils)

Where V_Nis the total output noise of both filters, V_N1and

_N2is the noise of each filter.

To improve the signal-to-noise ratio of the filter the LF580

should be placed after a preamplifier, provided that the

signal level does not exceed the maximum signal capability

of 50mVRMS

0.001

OUT

CONTROL

1.8k

CONTROL GND

OUT

All resistors in ohms, all capacitors in microfarads unless otherwise stated

BLOCK DIAGRAM

Document No. 500 - 73 - 08

Revision Date: January 2001

GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 tel. +1 (905) 632-2996

Web Site: www.gennum.com E-mail: hipinfo@gennum.com

12 3 4

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