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LTC1264-7MJ#TRPBF PDF预览

LTC1264-7MJ#TRPBF

更新时间： 2024-11-11 13:09:43
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 295K
描述
IC SWITCHED CAPACITOR FILTER, BESSEL, LOWPASS, CDIP14, 0.300 INCH, LEAD FREE, HERMETIC SEALED, CERAMIC, DIP-14, Active Filter

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LTC1264-7MJ#TRPBF 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：DIP包装说明：DIP,
针数：14Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.61Is 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：250 kHz
中心频率或截止频率最小范围：200 kHzJESD-30 代码：R-GDIP-T14
JESD-609代码：e3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：14
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED极和零点：8 AND 0
认证状态：Not Qualified响应：LOWPASS
座面最大高度：5.08 mm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：NO温度等级：MILITARY
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED传递特性：BESSEL
宽度：7.62 mmBase Number Matches：1

LTC1264-7MJ#TRPBF 数据手册

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LTC1264-7  
Linear Phase, Group Delay  
Equalized, 8th Order  
Lowpass Filter  
U
DESCRIPTIO  
FEATURES  
■
■
■
■
■
Steeper Roll-Off Than Bessel Filters  
High Speed: fC ≤ 200kHz  
Phase Equalized Filter in a 14-Pin Package  
Phase and Group Delay Response Fully Tested  
Transient Response Exhibits 5% Overshoot and  
No Ringing  
65dB THD or Better Throughout a 100kHz Passband  
No External Components Needed  
Available in Plastic 14-Pin DIP and 16-Pin SO  
Wide Packages  
The LTC1264-7 is a clock-tunable monolithic 8th order  
lowpass filter with linear passband phase and flat group  
delay. The amplitude response approximates a maximally  
flat passband and exhibits steeper roll-off than an equiva-  
lent 8th order Bessel filter. For instance, at twice the cutoff  
frequency, the filter attains 28dB attenuation (vs 12dB for  
Bessel), while at three times the cutoff frequency, the filter  
attains 55dB attenuation (vs 30dB for Bessel).  
■
■
■
The cutoff frequency of the LTC1264-7 is tuned via an  
external TTL or CMOS clock. The clock-to-cutoff  
frequency ratio of the LTC1264-7 can be set to 25:1 (pin  
10 to V+) or 50:1 (pin 10 to V–). When the filter operates  
at clock-to-cutoff frequency ratio of 25:1, the input is  
double-sampled to lower the risk of aliasing.  
U
APPLICATIO S  
■
■
■
Data Communication Filters  
Time Delay Networks  
Phase Matched Filters  
The LTC1264-7 is optimized for speed. Depending on the  
operating conditions, cutoff frequencies between 200kHz  
and250kHzcanbeobtained.(PleaserefertothePassband  
vs Clock Frequency graphs.)  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
The LTC1264-7 is pin-compatible with the LTC1064-X  
series.  
U
TYPICAL APPLICATIO  
4-Level PAM Eye Diagram  
200kHz Linear Phase Lowpass Filter  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
V
IN  
–8V  
LTC1264-7  
f
= 5MHz  
8V  
CLK  
8V  
V
OUT  
8
1264-7 TA01  
NOTE: THE POWER SUPPLIES SHOULD BE BYPASSED BY A  
0.1µF CAPACITOR CLOSE TO THE PACKAGE AND ANY PRINTED  
CIRCUIT BOARD ASSEMBLY SHOULD MAINTAIN A DISTANCE  
OF AT LEAST 0.2 INCHES BETWEEN ANY OUTPUT OR INPUT  
1264-7 TA02  
500ns/DIV  
fCLK = 5MHz  
fC = 200kHz  
PIN AND THE f  
LINE.  
CLK  
12647fa  
1
1234567...16

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