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LTC1068CN PDF预览

LTC1068CN

更新时间： 2024-11-22 22:46:51
品牌 Logo 应用领域
凌特 - Linear 时钟
页数 文件大小 规格书
28页 538K
描述
Clock-Tunable, Quad Second Order, Filter Building Blocks

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中文翻译

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LTC1068CN 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP24,.3
针数：24Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.06有源滤波器类型：SWITCHED CAPACITOR FILTER
中心频率或截止频率最大范围：50 kHz中心频率或截止频率最小范围：0.001 kHz
JESD-30 代码：R-PDIP-T24JESD-609代码：e0
湿度敏感等级：1负电源电压最大值（Vsup）：-5.5 V
标称负供电电压 (Vsup)：-5 V功能数量：4
端子数量：24最高工作温度：70 °C
最低工作温度：阶次：2ND
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP24,.3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：2 AND 0电源：+-1.57/+-5 V
认证状态：Not Qualified响应：UNIVERSAL
座面最大高度：3.937 mm子类别：Active Filters
最大供电电流 (Isup)：12 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：3.14 V标称供电电压 (Vsup)：5 V
表面贴装：NO技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
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：RESISTOR PROGRAMMABLE宽度：7.62 mm
Base Number Matches：1

LTC1068CN 数据手册

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LTC1068 Series  
Clock-Tunable, Quad  
Second Order, Filter Building Blocks  
U
DESCRIPTIO  
EATURE  
Four Identical 2nd Order Filter Sections in an  
S
F
The LTC®1068 product family consists of four monolithic  
clock-tunablefilterbuildingblocks.Eachproductcontains  
fourmatched,lownoise,highaccuracy2ndorderswitched-  
capacitorfiltersections. Anexternalclocktunesthecenter  
frequency of each 2nd order filter section. The LTC1068  
products differ only in their clock-to-center frequency  
ratio. The clock-to-center frequency ratio is set to 200:1  
(LTC1068-200), 100:1 (LTC1068), 50:1 (LTC1068-50) or  
25:1 (LTC1068-25). External resistors can modify the  
clock-to-center frequency ratio. High performance, quad  
2nd order, dual 4th order or 8th order filters can be  
designed with an LTC1068 family product. Designing  
filters with an LTC1068 product is fully supported by  
FilterCADTM filter design software for Windows®.  
■
SSOP Package  
■
■
2nd Order Section Center Frequency Error:  
±
0.3% Typical and  
±0.8% Maximum  
Low Noise per 2nd Order Section, Q ≤ 5:  
LTC1068-200 50µV  
LTC1068-50 75µV  
, LTC1068 50µV  
RMS RMS  
, LTC1068-25 90µV  
RMS  
RMS  
■
■
Low Power Supply Current: 4.5mA, Single 5V,  
LTC1068-50  
Operation with ±5V Power Supply, Single 5V  
Supply or Single 3.3V Supply  
O U  
PPLICATI  
A
S
■
Lowpass or Highpass Filters:  
The LTC1068 products are available in a 28-pin SSOP  
surface mount package. A customized version of an  
LTC1068 family product can be obtained in a 16-lead SO  
package with internal thin-film resistors. Please contact  
LTC Marketing for details.  
LTC1068-200, 0.5Hz to 25kHz; LTC1068, 1Hz to  
50kHz; LTC1068-50, 2Hz to 50kHz; LTC1068-25,  
4Hz to 200kHz  
Bandpass or Bandreject (Notch) Filters:  
LTC1068-200, 0.5Hz to 15kHz; LTC1068, 1Hz to  
30kHz; LTC1068-50, 2Hz to 30kHz; LTC1068-25,  
4Hz to 140kHz  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
FilterCAD is a trademark of Linear Technology Corporation.  
Windows is a registered trademark of Microsoft Corporation.  
U
O
TYPICAL APPLICATI  
Dual, Matched, 4th Order Butterworth Lowpass Filters, Clock-Tunable  
Up to 200kHz f – 3dB = fCLK/25, 4th Order Filter Noise = 60µVRMS  
R12 14k  
R11 20k  
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V
INV B  
HPB/NB  
BPB  
INV C  
HPC/NC  
BPC  
IN1  
R21 14k  
R31 20k  
R22 20k  
R32 10k  
Gain vs Frequency  
3
10  
0
4
V
LPB  
LPC  
OUT1  
5
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
SB  
SC  
LTC1068-25  
6
–
–5V  
NC  
V
1µF  
7
AGND  
NC  
CLK  
8
+
5V  
f
= (25)(f – 3dB)  
CLK  
V
0.1µF  
9
NC  
NC  
10  
11  
12  
13  
14  
SA  
SD  
V
LPA  
LPD  
OUT2  
R33 20k  
R23 14k  
R34 10k  
R24 20k  
BPA  
HPA/NA  
INVA  
BPD  
0.1  
1
10  
RELATIVE FREQUENCY [f /(f – 3dB)]  
IN  
HPD/ND  
INVD  
R13 20k  
1068 TA20b  
V
IN2  
R14 14k  
1068 TA20a  
1
1234567...28

中文翻译

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LTC1068CN 替代型号

型号 品牌 替代类型 描述 数据表
LTC1068IN Linear

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 Clock-Tunable, Quad Second Order, Filter Building Blocks

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