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LTC1062CSW PDF预览

LTC1062CSW

更新时间: 2024-02-05 16:56:09
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 191K
描述
5th Order Lowpass Filter

LTC1062CSW 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP,
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.33有源滤波器类型:SWITCHED CAPACITOR FILTER
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:10.3 mm湿度敏感等级:1
负电源电压最大值(Vsup):-9 V负电源电压最小值(Vsup):-2.5 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:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):250
极和零点:5 AND 0认证状态:Not Qualified
响应:LOWPASS座面最大高度:2.642 mm
最大供电电压 (Vsup):9 V最小供电电压 (Vsup):2.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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:NOT SPECIFIED传递特性:BUTTERWORTH
宽度:7.5 mmBase Number Matches:1

LTC1062CSW 数据手册

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LTC1062  
W U U  
APPLICATIO S I FOR ATIO  
U
Divide By 1, 2, 4 (Pin 4)  
Filter Noise  
By connecting Pin 4 to V+, to mid supplies or to V, the  
clock frequency driving the internal switched capacitor  
network is the oscillator frequency divided by 1, 2, 4  
respectively. Note that the fCLK/fC ratio of 100:1 is with  
respect to the internal clock generator output frequency.  
The internal divider is useful for applications where octave  
tuning is required. The ÷2 threshold is typically ±1V from  
the mid supply voltage.  
The filter wideband RMS noise is typically 100µVRMS for  
±5V supply and it is nearly independent from the value of  
the cutoff frequency. For single 5V supply the RMS noise  
is 80µVRMS. Sixty-two percent of the wideband noise is in  
the passband, that is from DC to fC. The noise spectral  
density, unlikeconventionalactivefilters, isnearlyzerofor  
frequencies below 0.1 • fC. This is shown in the Typical  
Performance Characteristics section. Table 2 shows the  
LTC1062 RMS noise for different noise bandwidths.  
Transient Response  
Figure 3 shows the LTC1062 response to a 1V input step.  
200mV/VERT DIV  
f
1
C
50ms/HORIZ DIV, f = 10Hz  
C
=
1.94  
5ms/HORIZ DIV, f = 100Hz  
0.5ms/HORIZ DIV, f = 1kHz  
2πRC  
C
C
f
1
C
=
1.62  
2πRC  
f
1
C
=
2.11  
2πRC  
Figure 3. Step Response to a 1V Peak Input Step  
Table 2  
NOISE BW  
DC – 0.1 • f  
RMS NOISE (V = ±5V)  
S
2µV  
8µV  
C
DC – 0.25 • f  
C
DC – 0.5 • f  
20µV  
62µV  
C
DC – 1 • f  
DC – 2 • f  
C
100µV  
C
1062fd  
7

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