LTC1563-2

更新时间： 2024-10-27 22:17:31

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	149K
描述
Active RC, 4th Order Lowpass Filter Family

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数据手册

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LTC1563-2 数据手册

Fina l Ele c tric a l Sp e c ific a tio ns

LTC1563-2/ LTC1563-3

Ac tive RC, 4th Ord e r

Lo wp a ss Filte r Fa m ily

Ja nua ry 2000

FEATURES

DESCRIPTION

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:

■

Extremely Easy to Use—A Single Resistor Value

Sets the Cutoff Frequency (2.56kHz < f_C< 256kHz)

Extremely Flexible—Different Resistor Values

■

Allow Arbitrary Transfer Functions with or without

Gain (2.56kHz < f_C< 256kHz)

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: 36µV_RMSfor f_C= 25.6kHz, 60µV_RMSfor

f_C= 256kHz

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

■

where f_Cis 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.

■

f_CAccuracy < ±2% (Typ)

DC Offset < 1mV

Cascadable to Form 8th Order Lowpass Filters

Low Power Mode, f_C< 25.6kHz, I_SUPPLY=1mA (Typ)

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.

High Speed Mode, f < 256kHz, I

= 10mA (Typ)

SUPPLY

= 1µA (Typ)

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

package (SO-8 footprint).

Shutdown Mode, I

SUPPLY

Continuous Time, Active RC Filter, No Clock

APPLICATIONS

■

Replaces Discrete RC Active Filters and Modules

Antialiasing Filters

Smoothing or Reconstruction Filters

Linear Phase Filtering for Data Communication

■

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

Phase Locked Loops

TYPICAL APPLICATION

Frequency Response

Single 3.3V, 2.56kHz to 256kHz Butterworth Lowpass Filter

3.3V

LTC1563-2

–10

0.1µF

OUT

R = 10k

= 256kHz

–20

LPB

–30

–40

–50

–60

–70

–80

R = 1M

= 2.56kHz

INVA

INVB

LPA

AGND

–

1µF

10k

100k

10k

FREQUENCY (Hz)

= 256kHz

1563 TA01

(

)

1563 TA02

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tationthattheinterconnectionofits circuits as describedhereinwillnotinfringeonexistingpatentrights.

12 3 4 5 6 7...12

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与LTC1563-2相关器件

型号	品牌	获取价格	描述	数据表
LTC1563-2_1	Linear	获取价格	Active RC, 4th Order Lowpass Filter Family
LTC1563-2_15	Linear	获取价格	Active RC, 4th Order Lowpass Filter Family
LTC1563-2CGN	Linear	获取价格	Active RC, 4th Order Lowpass Filter Family
LTC1563-2CGN#PBF	Linear	获取价格	LTC1563 - Active RC, 4th Order Lowpass Filter Family; Package: SSOP; Pins: 16; Temperature
LTC1563-2CGN#TR	Linear	获取价格	LTC1563 - Active RC, 4th Order Lowpass Filter Family; Package: SSOP; Pins: 16; Temperature
LTC1563-2CGN#TRPBF	Linear	获取价格	LTC1563 - Active RC, 4th Order Lowpass Filter Family; Package: SSOP; Pins: 16; Temperature
LTC1563-2IGN	Linear	获取价格	Active RC, 4th Order Lowpass Filter Family
LTC1563-2IGN#TR	Linear	获取价格	LTC1563 - Active RC, 4th Order Lowpass Filter Family; Package: SSOP; Pins: 16; Temperature
LTC1563-2IGN#TRPBF	Linear	获取价格	暂无描述
LTC1563-3	Linear	获取价格	Active RC, 4th Order Lowpass Filter Family

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