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LTC1069-1CS8#TR PDF预览

LTC1069-1CS8#TR

更新时间： 2024-01-26 04:32:54
品牌 Logo 应用领域
凌特 - Linear LTE光电二极管有源滤波器
页数 文件大小 规格书
10页 137K
描述
LTC1069-1 - Low Power, 8th Order Progressive Elliptic, Lowpass Filter; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

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LTC1069-1CS8#TR 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP,
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.25有源滤波器类型：SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围：8 kHz中心频率或截止频率最小范围：
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.9 mm湿度敏感等级：1
负电源电压最大值（Vsup）：-5.5 V负电源电压最小值（Vsup）：-1.57 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：70 °C
最低工作温度：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）：235
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
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1.57 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
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
处于峰值回流温度下的最长时间：20传递特性：ELLIPTIC
宽度：3.9 mm

LTC1069-1CS8#TR 数据手册

 浏览型号LTC1069-1CS8#TR的Datasheet PDF文件第4页浏览型号LTC1069-1CS8#TR的Datasheet PDF文件第5页浏览型号LTC1069-1CS8#TR的Datasheet PDF文件第6页浏览型号LTC1069-1CS8#TR的Datasheet PDF文件第8页浏览型号LTC1069-1CS8#TR的Datasheet PDF文件第9页浏览型号LTC1069-1CS8#TR的Datasheet PDF文件第10页 
LTC1069-1  
APPLICATIONS INFORMATION  
Temperature Behavior  
Any parasitic switching transients during the rise and  
fall edges of the incoming clock are not part of the clock  
feedthrough specifications. Switching transients have  
frequency contents much higher than the applied clock;  
their amplitude strongly depends on scope probing tech-  
niques as well as grounding and power supply bypassing.  
The clock feedthrough can be reduced, if bothersome, by  
adding a single RC lowpass filter at the output pin (8) of  
the LTC1069-1.  
The power supply current of the LTC1069-1 has a positive  
temperature coefficient. The GBW product of its internal  
op amps is nearly constant and the speed of the device  
doesnotdegradeathightemperatures. Figures3a, 3band  
3c show the behavior of the maximum passband of the  
device for various supplies and temperatures. The filter,  
especially at 5V supply, has a passband behavior which  
is nearly temperature independent.  
Wideband Noise  
Clock Feedthrough  
The wideband noise of the filter is the total RMS value  
of the device’s noise spectral density and determines the  
operating signal-to-noise ratio. Most of the wideband  
noise frequency contents lie within the filter passband.  
The wideband noise cannot be reduced by adding post  
filtering. The total wideband noise is nearly independent  
of the clock frequency and depends slightly on the power  
supply voltage (see Table 3). The clock feedthrough speci  
fications are not part of the wideband noise.  
The clock feedthrough is defined as the RMS value of the  
clock frequency and its harmonics that are present at the  
filter’s output pin (8). The clock feedthrough is tested with  
the input pin (4) shorted to the AGND pin and depends on  
PC board layout and on the value of the power supplies.  
With proper layout techniques the values of the clock  
feedthrough are shown on Table 2.  
Table 2. Clock Feedthrough  
V
S
CLOCK FEEDTHROUGH  
Table 3. Wideband Noise  
3.3V  
5V  
10μV  
40μV  
RMS  
RMS  
V
S
WIDEBAND NOISE  
3.3V  
5V  
100μV  
108μV  
112μV  
RMS  
RMS  
RMS  
5V  
160μVRMS  
5V  
2.0  
1.5  
2.0  
1.5  
2.0  
1.5  
V
= 3.3V  
V
= 5V  
V =  
S
5V  
= 1.5MHz  
S
S
f
= 750kHz  
f
= 1MHz  
f
CLK  
CLK  
CLK  
V
IN  
= 0.5V  
V
IN  
= 1.2V  
V = 2V  
IN RMS  
RMS  
RMS  
T
= 25°C  
A
1.0  
1.0  
1.0  
T
= 85°C  
A
T
= 25°C  
A
T
= 85°C  
T
= 85°C  
A
A
0.5  
0.5  
0.5  
T
= –40°C  
A
0
0
0
T = 25°C  
A
T
= –40°C  
A
–0.5  
–1.0  
–1.5  
–2.0  
–0.5  
–1.0  
–1.5  
–2.0  
–0.5  
–1.0  
–1.5  
–2.0  
T
= –40°C  
A
1.5  
2.5 3.5 4.5 5.5  
FREQUENCY (kHz)  
7.5  
1.5 2.5 3.5 4.5 5.5  
7.5 8.5 9.5 10.5  
3
5
7
9
11  
15  
0.5  
6.5  
0.5  
6.5  
1
13  
FREQUENCY (kHz)  
FREQUENCY (kHz)  
10691 F03a  
10691 F03b  
10691 F03c  
Figure 3a  
Figure 3b  
Figure 3c  
10691fa  
7
1...45678910

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