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LTC455DU

Description
Ceramic Filter
CategoryAnalog mixed-signal IC   
File Size248KB,3 Pages
ManufacturerLGE
Websitehttp://www.luguang.cn/web_en/index.html
Download Datasheet Parametric View All

LTC455DU Overview

Ceramic Filter

LTC455DU Parametric

Parameter NameAttribute value
Frequency455±1.5KHz
3dB Band Width(KHz)-
6dB Band Width(KHz)±10
40dB Band Width(KHz)±20
50dB Band Width(KHz)-
Stop Band Attenuation(dB)27
Insertion loss4
Ripple2
LTC455DU
Ceramic Filter
1.Scope
This specification shall cover the characteristics of the ceramic filter with 455KHz.
2.Part No. :
LTC455DU
3.Electrical Specification
Item
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
Center Frequency (Fo)
Insertion Loss(dB)
Ripple (dB)
Band Width (6dB)
Selectivity (40dB)
Stop Band Attenuation
Input / Output Impedance
Temperature Coefficient of
Center Frequency
4.0dB max.
2.0dB max.( ±5KHz)
±10.0KHz min.
±20.0Khz max.
27dB min.(Fo ± 100KHz)
1.5KΩ
± 50ppm/℃ max.
(-20℃ to +80℃)
Specifications
455KHz ±1.5KHz
Note.:
A). Center Frequency shall be defined as the central value of the
band width at 6dB.
B). Temperature coefficient of center frequency shall be defined
as the average of the central frequency shift throughout the
specified temperature range.
4.Measurement
4-1 Environmental Condition
Measurement shall be carried out at the reference temperature of 25℃±2
℃.
It shall be possibly done at 5℃ to 35℃ unless it is questionable.
4-2 Measuring Circuit
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mail:lge@luguang.cn
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