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LTC1064-1ACN PDF预览

LTC1064-1ACN

更新时间: 2024-01-22 22:43:39
品牌 Logo 应用领域
凌特 - Linear 有源滤波器过滤器光电二极管LTE时钟
页数 文件大小 规格书
8页 171K
描述
Low Noise, 8th Order, Clock Sweepable Elliptic Lowpass Filter

LTC1064-1ACN 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:PLASTIC, SO-14
针数:14Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.66有源滤波器类型:SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围:50 kHz中心频率或截止频率最小范围:
JESD-30 代码:R-PDSO-G14JESD-609代码:e0
长度:8.65 mm功能数量:1
端子数量:14封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE极和零点:8 AND 0
认证状态:Not Qualified响应:LOWPASS
座面最大高度:1.75 mm表面贴装:YES
技术:CMOS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传递特性:ELLIPTIC
宽度:3.9 mmBase Number Matches:1

LTC1064-1ACN 数据手册

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LTC1064-1  
Low Noise, 8th Order, Clock  
Sweepable Elliptic Lowpass Filter  
U
FEATURES  
DESCRIPTIO  
The LTC®1064-1 is an 8th order, clock sweepable elliptic  
(Cauer) lowpass switched capacitor filter. The passband  
ripple is typically ±0.15dB, and the stopband attenuation  
at 1.5 times the cutoff frequency is 68dB or more.  
8th Order Filter in a 14-Pin Package  
No External Components  
100:1 Clock to Center Ratio  
150µVRMS Total Wideband Noise  
0.03% THD or Better  
50kHz Maximum Corner Frequency  
Operates from ±2.37V to ±8V Power Supplies  
Passband Ripple Guaranteed Over Full Military  
Temperature Range  
An external TTL or CMOS clock programs the value of the  
filter’scutofffrequency.Theclocktocutofffrequencyratio  
is 100:1.  
Noexternalcomponentsareneededforcutofffrequencies  
up to 20kHz. For cutoff frequencies over 20kHz two low  
valuecapacitorsarerequiredtomaintainpassbandflatness.  
The LTC1064-1 features low wideband noise and low  
harmonic distortion even for input voltages up to 3VRMS  
InfacttheLTC1064-1overallperformancecompleteswith  
equivalent multiple op amp RC active realizations.  
U
APPLICATIO S  
.
Antialiasing Filters  
Telecom PCM Filters  
The LTC1064-1 is available in a 14-pin DIP or 16-pin  
surface mounted SW package.  
The LTC1064-1 is pin compatible with the LTC1064-2.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
8th Order Clock Sweepable Lowpass  
Elliptic Antialiasing Filter  
Frequency Response  
15  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
R(h, I)  
INV C  
0
–15  
–30  
–45  
–60  
–75  
–90  
–105  
V
COMP2*  
V
IN  
IN  
–8V  
V
AGND  
LTC1064-1  
0.1µF  
+
CLOCK  
f
V
8V  
CLK  
(TTL, 5MHz)  
0.1µF  
NC  
AGND  
V
COMP1*  
INV A  
V
OUT  
OUT  
8
NC  
1064 TA01  
20  
FREQUENCY (kHz)  
0
5
10 15  
25 30 35 40  
NOTE: THE POWER SUPPLIES SHOULD BE BYPASSED BY A 0.1µF  
CAPACITOR CLOSE TO THE PACKAGE.  
1064 TA02  
8th ORDER CLOCK SWEEPABLE LOWPASS ELLIPTIC ANTIALIASING  
FILTER MAINTAINS, FOR 0.1Hz f 10kHz, A ±0.15dB PASSBAND  
FOR SERVO OFFSET NULLING APPLICATIONS, PIN 1 IS THE 2ND  
STAGE SUMMING JUNCTION.  
*FOR CUTOFF FREQUENCY ABOVE 20kHz, USE COMPENSATION  
CAPACITORS (5pF TO 56pF) BETWEEN PIN 13 AND PIN 1  
AND PIN 6 AND PIN 7.  
CUTOFF  
RIPPLE AND 72dB STOPBAND ATTENUATION AT 1.5 × f  
.
CUTOFF  
TOTAL WIDEBAND NOISE = 150µV  
, THD = 0.03% FOR V = 1V  
RMS IN RMS  
10641fa  
1

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