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LTC1064-7C PDF预览

LTC1064-7C

更新时间: 2024-01-26 05:04:51
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 299K
描述
Linear Phase, 8th Order Lowpass Filter

LTC1064-7C 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:5.59有源滤波器类型:SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围:100 kHzJESD-30 代码:R-GDIP-T14
JESD-609代码:e3长度:19.43 mm
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 mm
Base Number Matches:1

LTC1064-7C 数据手册

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LTC1064-7  
Linear Phase, 8th Order  
Lowpass Filter  
U
DESCRIPTIO  
EATURE  
S
F
Steeper Roll-Off Than 8th Order Bessel Filters  
fCUTOFF up to 100kHz  
Phase Equalized Filter in 14-Pin Package  
Phase and Group Delay Response Fully Tested  
Transient Response Exhibits 5% Overshoot and  
No Ringing  
Wide Dynamic Range  
72dB THD or Better Throughout a 50kHz Passband  
No External Components Needed  
The LTC1064-7 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 whilte it exhibits steeper roll-off than an  
equivalent8thorderBesselfilter. Forinstance, attwicethe  
cutoff frequency the filter attains 34dB attenuation (vs  
12dB for Bessel), while at three times the cutoff frequency  
the filter attains 68dB attenuation (vs 30dB for Bessel).  
The cutoff frequency of the LTC1064-7 is tuned via an  
external TTL or CMOS clock.  
O U  
The LTC1064-7 features wide dynamic range. With single  
5V supply, the S/N + THD is 76dB. Optimum 92dB S/N is  
obtained with ±7.5V supplies.  
PPLICATI  
S
A
Data Communication Filters  
Time Delay Networks  
The clock-to-cutoff frequency ratio of the LTC1064-7 can  
be set to 50:1 (pin 10 to V+) or 100:1 (pin 10 to V).  
Phase-Matched Filters  
When the filter operates at clock-to-cutoff frequency ratio  
of 50:1, the input is double-sampled to lower the risk of  
aliasing.  
The LTC1064-7 is pin-compatible with the LTC1064-X  
series, LTC1164-7 and LTC1264-7.  
U
O
TYPICAL APPLICATI  
Eye Diagram  
80kHz Linear Phase Lowpass Filter  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
V
IN  
–7.5V  
LTC1064-7  
CLK = 4MHz  
7.5V  
7.5V  
V
OUT  
8
1064-7 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  
1064-7 TA02  
1µs/DIV  
PIN AND THE f  
LINE.  
VS = ±7.5V  
CLK  
fCLK = 4MHz  
RATIO = 50:1  
1

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