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LTC1065IN8 PDF预览

LTC1065IN8

更新时间: 2024-02-20 21:30:42
品牌 Logo 应用领域
凌特 - Linear 时钟
页数 文件大小 规格书
16页 247K
描述
DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter

LTC1065IN8 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:DIP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.26有源滤波器类型:SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围:50 kHzJESD-30 代码:R-PDIP-T8
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:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY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:5 AND 0
认证状态:Not Qualified响应:LOWPASS
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:INDUSTRIAL端子面层:MATTE TIN
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

LTC1065IN8 数据手册

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LTC1065  
DC Accurate, Clock-Tunable  
Linear Phase 5th Order Bessel  
Lowpass Filter  
U
DESCRIPTIO  
FEATURES  
The LTC®1065 is the first monolithic filter providing both  
clock-tunability with low DC output offset and over 12-bit  
DC accuracy. The frequency response of the LTC1065  
closely approximates a 5th order Bessel polynomial. With  
appropriate PCB layout techniques the output DC offset is  
typically 1mV and is constant over a wide range of clock  
frequencies. With ±5V supplies and ±4V input voltage  
range, the CMR of the device is typically 80dB.  
Clock-Tunable Cutoff Frequency  
1mV DC Offset (Typical)  
80dB CMR (Typical)  
Internal or External Clock  
50µVRMS Clock Feedthrough  
100:1 Clock-to-Cutoff Frequency Ratio  
80µVRMS Total Wideband Noise  
0.004% Noise + THD at 2VRMS Output Level  
50kHz Maximum Cutoff Frequency  
Cascadable for Faster Roll-Off  
The filter cutoff frequency is controlled either by an inter-  
nalorexternalclock. Theclock-to-cutofffrequencyratiois  
100 :1. The on-board clock is nearly power supply inde-  
pendent and it is programmed via an external RC. The  
50µVRMS clock feedthrough of the device is considerably  
lower than other existing monolithic filters.  
Operates from ±2.375 to ±8V Power Supplies  
Self-Clocking with 1 RC  
Available in 8-Pin DIP and 16-Pin SW Packages  
U
APPLICATIO S  
The LTC1065 wideband noise is 80µVRMS and it can  
process large AC input signals with low distortion. With  
± 7.5V supplies, for instance, the filter handles up to  
4VRMS (94dB S/N ratio) while the standard 1kHz THD is  
below 0.005%; 87dB dynamic range (S/N + THD) is ob-  
Audio  
Strain Gauge Amplifiers  
Anti-Aliasing Filters  
Low Level Filtering  
Digital Voltmeters  
tained with input levels between 2VRMS and 2.5VRMS.  
Smoothing Filters  
The LTC1065 is available in 8-pin miniDIP and 16-pin SW  
packages. For a Butterworth response, see LTC1063 data  
sheet. The LTC1065 is pin compatible with the LTC1063.  
Reconstruction Filters  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners. Protected by U.S. Patents  
including 4857860.  
U
TYPICAL APPLICATIO  
Frequency Response  
10  
0
3.4kHz Single 5V Supply Bessel Lowpass Filter  
5V  
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
1
2
3
4
8
7
6
5
V
IN  
4.99k  
4.53k  
V
OUT  
+
LTC1065  
13k*  
1µF  
TANT  
0.1µF  
5V  
0.1µF  
200pF*  
*
SELF-CLOCKING SCHEME  
1065 TA01  
1
10  
100  
FREQUENCY (kHz)  
1065 TA01b  
1065fb  
1

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