LTC1067CS

更新时间： 2024-11-18 22:34:07

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	480K
描述
Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block

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LTC1067CS 数据手册

LTC1067/LTC1067-50

Rail-to-Rail, Very Low Noise

Universal Dual Filter Building Block

FEATURES

DESCRIPTION

The LTC^®1067/LTC1067-50 consist of two identical rail-

to-rail, high accuracy and very wide dynamic range 2nd

order switched-capacitor building blocks. Each building

block, together with three to five resistors, provides 2nd

orderfilterfunctionssuchasbandpass,highpass,lowpass,

notch and allpass. High precision 4th order filters are

easily designed.

■

Rail-to-Rail Input and Output Operation

Operates from a Single 3V to ±5V Supply

Dual 2nd Order Filter in a 16-Lead SSOP Package

> 80dB Dynamic Range on Single 3.3V Supply

Clock-to-Center Frequency Ratio of 100:1 for the

LTC1067 and 50:1 for the LTC1067-50

Internal Sampling-to-Center Frequency Ratio of

200:1 for the LTC1067 and 100:1 for the LTC1067-50

Center Frequency Error < ±0.2% Typ

Low Noise: < 40µV_RMS, Q ≤ 5

Customizable with Internal Resistors

■

Thecenterfrequencyofeach2ndordersectionistunedby

the external clock frequency. The internal clock-to-center

frequency ratio (100:1 for the LTC1067 and 50:1 for the

LTC1067-50) can be modified by the external resistors.

These devices have a double sampled architecture which

placesaliasingandimagingcomponentsattwicetheclock

frequency. The LTC1067-50 is a low power device con-

suming about one half the current of the LTC1067. The

LTC1067-50’s typical supply current is about 1mA from a

3.3V supply.

■

APPLICATIONS

■

Notch Filters

■

Narrowband Bandpass Filters

■

Tone Detection

■

Noise Reduction Systems

The LTC1067 and LTC1067-50 are available in 16-pin

narrow SSOP and SO packages.

Mask programmable versions of the LTC1067 and

LTC1067-50, with thin film resistors on-chip and custom

clock-to-cutoff frequency ratios, can be designed in an

SO-8 package to realize application specific monolithic

filters. Please contact LTC Marketing for more details.

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

TYPICAL APPLICATION

Frequency Response

Single 3.3V Supply Rail-to-Rail,

4th Order, 10kHz Bandpass Filter

= 500kHz

CLK

–10

–20

–30

–40

AGND

1µF

–

3.3V

0.1µF

LTC1067-50

LPA

LPB

OUT

R32, 200k

R22, 10k

R31, 200k

R21, 10k

BPA

BPB

HPA/NA

INV A

HPB/NB

INV B

R11

200k

TOTAL OUTPUT NOISE: 90µV

RMS

RB1, 200k

FREQUENCY (kHz)

S/N RATIO: 80dB

1067 TA01

1067 • TA02

12 3 4 5 6 7...20

中文翻译

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LTC1067CS 替代型号

型号	品牌	替代类型	描述	数据表
LTC1067CS#PBF	Linear	完全替代	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SO;

与LTC1067CS相关器件

型号	品牌	获取价格	描述	数据表
LTC1067CS#PBF	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SO;
LTC1067CS#TR	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SO;
LTC1067CS#TRPBF	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SO;
LTC1067I	Linear	获取价格	Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block
LTC1067IGN	Linear	获取价格	Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block
LTC1067IGN#PBF	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SSOP
LTC1067IGN#TRPBF	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SSOP
LTC1067IS	Linear	获取价格	Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block
LTC1067IS#TR	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SO;
LTC1067IS#TRPBF	Linear	获取价格	LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SO;

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