Datasheet > LTC1164-8_09

LTC1164-8_09

更新时间： 2024-11-25 05:43:39

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
12页	356K
描述
Ultraselective, Low Power 8th Order Elliptic Bandpass Filter with Adjustable Gain

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LTC1164-8_09 数据手册

LTC1164-8

Ultraselective, Low Power

8th Order Elliptic Bandpass Filter

with Adjustable Gain

OBSOLETE:

Contact Linear Technology for Potential Replacement

FOR INFORMATION PURPOSES ONLY

DESCRIPTION

FEATURES

■

Ultraselectivity

The LTC^®1164-8 is a monolithic ultraselective, 8th order,

elliptic bandpass filter. The passband of the LTC1164-8 is

tuned with an external clock and the clock-to-center fre-

quency ratio is 100:1. The –3dB pass bandwidth is typi-

cally 1% of the filter center frequency. The stopband

attenuation of the LTC1164-8 is greater than 50dB. The

lower and upper stopband frequencies are less than

0.96 • center frequency and greater than 1.04 • center

frequency, respectively.

(50dB Attenuation at ±4% of Center Frequency)

■

Adjustable Passband Gain

■

Noise Independent of Gain

■

Filter Noise: 270μV_RMS, V_S= Single 5V Supply

■

Clock-Tunable (Center Frequency = f_CLK/100)

■

Center Frequencies up to 5kHz, V_S= ±5V

(Typical I_SUPPLY= 3.2mA)

■

Center Frequencies up to 4kHz, V_S= Single 5V Supply

(Typical I_SUPPLY= 2.3mA)

The LTC1164-8 requires an external op amp and two

external resistors (see the circuit below). The filter’s gain

at center frequency is set by the ratio R_IN/R_F. For a gain

equaltooneandanoptimumdynamicrange, R_Fshouldbe

set to 61.9k and R_INshould be 340k. For gains other than

one, R_IN= 340k/Gain. Gains up to 1000 are obtainable.

APPLICATIONS

■

Asynchronous Narrowband Signal Detectors

■

Low Frequency Asynchronous Demodulators

■

Handheld Spectrum Analyzers

In-Band Tone Signaling Detectors

Setting the filter’s gain with input resistor R does not

■

increase the filter’s wideband noise. The 270μV_RMS

wideband noise of the LTC1164-8 is independent of the

filter’s center frequency.

The LTC1164-8 is available in a 14-pin PDIP or a 16-pin

surface mount SO Wide package.

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

TYPICAL APPLICATION

Frequency Response

Ultranarrow 1kHz Bandpass Filter with Gain = 10

Gain = 340k/R_IN, 1/(2π • R_F• C_F) ≥ 10 • Center Frequency

200pF

34k

50dB

–10

–5V

61.9k

LTC1164-8

100kHz

–20

–30

–40

–50

–60

–70

–

LT^®1006

OUT

LTC1164-8 • TA01

–5V

SHORT CONNECTION UNDER IC AND

SHIELDED BY A GROUND PLANE

0.90

0.95

1.00

1.05

1.10

1.15

FREQUENCY (kHz)

1164-8 TA02

11648fb

12 3 4 5 6 7...12

中文翻译

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与LTC1164-8_09相关器件

型号	品牌	获取价格	描述	数据表
LTC1164-8CN	Linear	获取价格	Ultraselective, Low Power 8th Order Elliptic Bandpass Filter with Adjustable Gain
LTC1164-8CS	Linear	获取价格	IC SWITCHED CAPACITOR FILTER, ELLIPTIC, BANDPASS, PDSO14, PLASTIC, SO-14, Active Filter
LTC1164-8CSW	Linear	获取价格	Ultraselective, Low Power 8th Order Elliptic Bandpass Filter with Adjustable Gain
LTC1164A	Linear	获取价格	Low Power, Low Noise, Quad Universal Filter Building Block
LTC1164AC	Linear	获取价格	Low Power, Low Noise, Quad Universal Filter Building Block
LTC1164ACJ	Linear	获取价格	Low Power, Low Noise, Quad Universal Filter Building Block
LTC1164ACN	Linear	获取价格	Low Power, Low Noise, Quad Universal Filter Building Block
LTC1164ACN#PBF	Linear	获取价格	LTC1164 - Low Power, Low Noise, Quad Universal Filter Building Block; Package: PDIP; Pins:
LTC1164ACS	Linear	获取价格	Low Power, Low Noise, Quad Universal Filter Building Block
LTC1164ACSW	Linear	获取价格	Low Power, Low Noise, Quad Universal Filter Building Block

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