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LTC1064-4CN#PBF PDF预览

LTC1064-4CN#PBF

更新时间： 2024-02-03 11:48:26
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
12页 131K
描述
LTC1064-4 - Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter; Package: PDIP; Pins: 14; Temperature Range: 0°C to 70°C

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LTC1064-4CN#PBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：DIP,
针数：14Reach Compliance Code：compliant
风险等级：5.36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-PDIP-T14
JESD-609代码：e3湿度敏感等级：1
负电源电压最大值（Vsup）：-8 V负电源电压最小值（Vsup）：-2.37 V
标称负供电电压 (Vsup)：-7.5 V功能数量：1
端子数量：14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：8 AND 0认证状态：Not Qualified
响应：LOWPASS座面最大高度：3.937 mm
最大供电电压 (Vsup)：8 V最小供电电压 (Vsup)：2.37 V
标称供电电压 (Vsup)：7.5 V表面贴装：NO
技术：CMOS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：BUTTERWORTH/ELLIPTIC
宽度：7.62 mmBase Number Matches：1

LTC1064-4CN#PBF 数据手册

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LTC1064-4  
Low Noise, 8th Order, Clock  
Sweepable Cauer Lowpass Filter  
U
FEATURES  
DESCRIPTIO  
The LTC®1064-4 is an 8th order, clock sweepable Cauer  
■
8th Order Filter in a 14-Pin Package  
■
80dB or More Stopband Attenuation at 2 × fCUTOFF  
50:1, fCLK to fCUTOFF Ratio (Cauer)  
100:1, fCLK to f–3dB Ratio (Transitional)  
135µVRMS Total Wideband Noise  
0.03% THD or Better  
lowpass switched capacitor filter. An external TTL or  
CMOS clock programs the value of the filter’s cutoff  
frequency. With Pin 10 at V+, the fCLK to fCUTOFF ratio is  
50:1; the filter has a Cauer response and with compensa-  
tion the passband ripple is ±0.1dB. The stopband attenu-  
ation is 80dB at 2 × fCUTOFF. Cutoff frequencies up to  
100kHz can be achieved. With Pin 10 at V–, the fCLK to  
f–3dB ratiois100:1,thefilterhasatransitionalButterworth-  
Cauer response with lower noise and lower delay  
nonlinearity than the Cauer response. The stopband  
attenuation at 2.5×f –3dB is 92dB. Cutoff frequencies up to  
50kHz can be achieved.  
■
■
■
■
■
■
100kHz Maximum fCUTOFF Frequency  
Operates up to ±8V Power Supplies  
Input Frequency Range up to 50 Times the Filter  
Cutoff Frequency  
U
APPLICATIO S  
■
Antialiasing Filters  
The LTC1064-4 features low noise and low harmonic  
distortion even when input voltages up to 3VRMS are  
applied. The LTC1064-4 overall performance competes  
with equivalent multiple op amp active realizations. The  
LTC1064-4 is pin compatible with the LTC1064-1,  
LTC1064-2 and LTC1064-3.  
■
Telecom Filters  
■
Sinewave Generators  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
LTCMOS is a trademark of Linear Technology Corporation.  
TheLTC1064-4ismanufacturedusingLinearTechnology’s  
enhanced LTCMOSTM silicon gate process.  
U
TYPICAL APPLICATIO  
8th Order Clock Sweepable Lowpass Elliptic Filter  
Frequency Response  
20  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
T
= 25°C  
f
= 5MHz, 50:1  
A
CLK  
= 30pF, C  
R(h, I)  
INV C  
C
= 18pF  
COMP1  
COMP2  
0
–20  
COMP2*  
V
V
IN  
IN  
–
–8V  
V
AGND  
LTC1064-4  
0.1µF  
+
CLOCK  
f
V
8V  
CLK  
–40  
(TTL, ≤5MHz)  
0.1µF  
+
–
50/100  
AGND  
V /V  
–60  
–80  
f
= 2MHz, 50:1  
CLK  
V
COMP1*  
INV A  
V
OUT  
OUT  
8
NC  
f
= 1MHz, 100:1  
10k  
CLK  
–100  
1064 TA01  
1k  
100k  
1M  
FREQUENCY (Hz)  
*FOR FREQUENCIES ABOVE 20kHz AND MINIMUM PASSBAND RIPPLE REFER  
TO THE PIN DESCRIPTION SECTION FOR COMPENSATION GUIDELINES.  
NOTE:THE POWER SUPPLIES SHOULD BE BYPASSED BY A 0.1µF CAPACITOR  
CLOSE TO THE PACKAGE. BYPASSING PIN 10 WITH 0.1µF CAPACITOR  
REDUCES CLOCK FEEDTHROUGH. THE CONNECTION BETWEEN PINS 7  
AND 14 SHOULD BE PHYSICALLY DONE UNDER THE PACKAGE.  
1064-4 TA01b  
10644fb  
1
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