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LTC1164-8CN PDF预览

LTC1164-8CN

更新时间: 2024-02-05 15:03:07
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 283K
描述
Ultraselective, Low Power 8th Order Elliptic Bandpass Filter with Adjustable Gain

LTC1164-8CN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP16,.4
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.6Is Samacsys:N
有源滤波器类型:SWITCHED CAPACITOR FILTER中心频率或截止频率最大范围:5 kHz
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:10.2995 mm湿度敏感等级:1
负电源电压最大值(Vsup):-8 V负电源电压最小值(Vsup):-2.375 V
标称负供电电压 (Vsup):-5 V功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:阶次:8TH
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):235
极和零点:8 AND 0电源:+-2.375/+-8 V
认证状态:Not Qualified响应:BANDPASS
座面最大高度:2.642 mm子类别:Active Filters
最大供电电流 (Isup):12.5 mA最大供电电压 (Vsup):8 V
最小供电电压 (Vsup):2.375 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
传递特性:ELLIPTIC宽度:7.5 mm
Base Number Matches:1

LTC1164-8CN 数据手册

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LTC1164-8  
Ultraselective, Low Power  
8th Order Elliptic Bandpass Filter  
with Adjustable Gain  
U
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: 270µVRMS, VS = Single 5V Supply  
Clock-Tunable (Center Frequency = fCLK/100)  
Center Frequencies up to 5kHz, VS = ±5V  
(Typical ISUPPLY = 3.2mA)  
Center Frequencies up to 4kHz, VS = Single 5V Supply  
(Typical ISUPPLY = 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 RIN/RF. For a gain  
equaltooneandanoptimumdynamicrange, RF shouldbe  
set to 61.9k and RIN should be 340k. For gains other than  
one, RIN = 340k/Gain. Gains up to 1000 are obtainable.  
U
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  
IN  
increase the filter’s wideband noise. The 270µVRMS  
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.  
U
TYPICAL APPLICATION  
Frequency Response  
Ultranarrow 1kHz Bandpass Filter with Gain = 10  
Gain = 340k/RIN, 1/(2π • RF • CF) 10 • Center Frequency  
30  
20  
10  
C
F
R
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
IN  
200pF  
34k  
0
V
IN  
50dB  
R
F
–10  
–5V  
61.9k  
LTC1164-8  
100kHz  
5V  
–20  
–30  
–40  
–50  
–60  
–70  
5V  
2
3
7
8
6
LT®1006  
V
OUT  
+
4
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  
1

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