LTC1563-2IGN datasheet(1/20 Pages) LINER

部件名	LTC1563-2IGN

功能描述	Active RC, 4th Order Lowpass Filter Family

PDF	20 Pages

Scroll/Zoom	100%

制造商	LINER [Linear Technology]

网页	http://www.linear.com

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1 / 20 page

1

LTC1563-2/LTC1563-3

156323fa

■ Extremely Easy to Use—A Single Resistor Value

Sets the Cutoff Frequency (256Hz < fC < 256kHz)

■ Extremely Flexible—Different Resistor Values

Allow Arbitrary Transfer Functions with or without

Gain (256Hz < fC < 256kHz)

■ Supports Cutoff Frequencies Up to 360kHz Using

FilterCAD

TM

■ LTC1563-2: Unity-Gain Butterworth Response Uses a

Single Resistor Value, Different Resistor Values

Allow Other Responses with or without Gain

■ LTC1563-3: Unity-Gain Bessel Response Uses a

Single Resistor Value, Different Resistor Values

Allow Other Responses with or without Gain

■ Rail-to-Rail Input and Output Voltages

■ Operates from a Single 3V (2.7V Min) to

±5V Supply

■ Low Noise: 36

µVRMS for fC = 25.6kHz, 60µVRMS for

fC = 256kHz

■ fC Accuracy < ±2% (Typ)

■ DC Offset < 1mV

■ Cascadable to Form 8th Order Lowpass Filters

■ Available in Narrow SSOP-16 Package

The LTC

®1563-2/LTC1563-3 are a family of extremely

easy-to-use, active RC lowpass filters with rail-to-rail

inputs and outputs and low DC offset suitable for systems

with a resolution of up to 16 bits. The LTC1563-2, with a

single resistor value, gives a unity-gain Butterworth

response. The LTC1563-3, with a single resistor value,

gives a unity-gain Bessel response. The proprietary

architecture of these parts allows for a simple resistor

calculation:

R = 10k (256kHz/fC); fC = Cutoff Frequency

where fC is the desired cutoff frequency. For many appli-

cations, this formula is all that is needed to design a filter.

By simply utilizing different valued resistors, gain and

other responses are achieved.

The LTC1563-X features a low power mode, for the lower

frequency applications, where the supply current is re-

duced by an order of magnitude and a near zero power

shutdown mode.

The LTC1563-Xs are available in the narrow SSOP-16

package (Same footprint as an SO-8 package).

■ Discrete RC Active Filter Replacement

■ Antialiasing Filters

■ Smoothing or Reconstruction Filters

■ Linear Phase Filtering for Data Communication

■ Phase Locked Loops

Single 3.3V, 256Hz to 256kHz Butterworth Lowpass Filter

Active RC, 4th Order

Lowpass Filter Family

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

0.1

µF

3.3V

VOUT

VIN

R

fC = 256kHz

1563 TA01

LTC1563-2

0.1

µF

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

LP

SA

NC

INVA

NC

LPA

AGND

V–

V+

LPB

NC

INVB

NC

SB

NC

EN

10k

R

()

FREQUENCY (Hz)

10k

1k

100

10

0

–10

–20

–30

–40

–50

–60

–70

–80

100k

1M

1563 TA02

R = 10M

fC = 256Hz

R = 10k

fC = 256kHz

Frequency Response

APPLICATIO S

FEATURES

TYPICAL APPLICATIO

DESCRIPTIO

FilterCAD is trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

类似零件编号 - LTC1563-2IGN

制造商	部件名	数据表	功能描述
Linear Technology	LTC1563-2IGN	146Kb / 12P	Active RC, 4th Order Lowpass Filter Family

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