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LTC1569CS8-6 PDF预览

LTC1569CS8-6

更新时间： 2024-10-27 22:57:35
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
12页 221K
描述
Linear Phase, DC Accurate, Low Power, 10th Order Lowpass Filter

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LTC1569CS8-6 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, SOP8,.25
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.1有源滤波器类型：CONTINUOUS TIME FILTER
其他特性：CAN ALSO OPERATE FROM A +/-5V SUPPLY中心频率或截止频率最大范围：64 kHz
中心频率或截止频率最小范围：JESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9 mm
湿度敏感等级：1标称负供电电压 (Vsup)：
功能数量：1端子数量：8
最高工作温度：70 °C最低工作温度：
阶次：10TH封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
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：10 AND 0
电源：3 V认证状态：Not Qualified
响应：LOWPASS座面最大高度：1.75 mm
子类别：Active Filters最大供电电流 (Isup)：17 mA
标称供电电压 (Vsup)：3 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：RESISTOR PROGRAMMABLE
宽度：3.9 mmBase Number Matches：1

LTC1569CS8-6 数据手册

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Final Electrical Specifications  
LTC1569-6  
Linear Phase, DC Accurate,  
Low Power, 10th Order Lowpass Filter  
September 1999  
tems. Furthermore, its root raised cosine response offers  
the optimum pulse shaping for PAM data communica-  
tions. The filter attenuation is 50dB at 1.5 • fCUTOFF, 60db  
at 2 • fCUTOFF, and in excess of 80dB at 6 • fCUTOFF. DC-  
accuracy-sensitive applications benefit from the 5mV  
maximum DC offset.  
FEATURES  
■
One External R Sets Cutoff Frequency  
■
Root Raised Cosine Response  
■
3mA Supply Current with a Single 3V Supply  
■
Up to 64kHz Cutoff on a Single 3V Supply  
■
10th Order, Linear Phase Filter in an SO-8  
The LTC1569-6 sampled data filter does not require an  
external clock yet its cutoff frequency can be set with a  
single external resistor with a typical accuracy of 3.5% or  
better. The external resistor programs an internal oscilla-  
tor whose frequency is divided by either 1, 4 or 16 prior to  
being applied to the filter network. Pin 5 determines the  
divider setting. Thus, up to three cutoff frequencies can be  
obtained for each external resistor value. Using various  
resistor values and divider settings, the cutoff frequency  
can be programmed over a range of six octaves. Alterna-  
tively, the cutoff frequency can be set with an external  
clock and the clock-to-cutoff frequency ratio is 64:1. The  
ratio of the internal sampling rate to the filter cutoff  
frequency is 128:1.  
■
DC Accurate, VOS(MAX) = 5mV  
■
Low Power Modes  
■
Differential or Single-Ended Inputs  
■
80dB CMRR (DC)  
■
82dB Signal-to-Noise Ratio, VS = 5V  
■
Operates from 3V to ±5V Supplies  
U
APPLICATIO S  
■
Data Communication Filters for 3V Operation  
Linear Phase and Phase Matched Filters for I/Q  
Signal Processing  
Pin Programmable U Cutoff Frequency Lowpass Filters  
■
■
DESCRIPTIO  
The LTC1569-6 is fully tested for a cutoff frequency of  
64kHz with a single 3V supply.  
The LTC®1569-6 is a 10th order lowpass filter featuring  
linear phase and a root raised cosine amplitude response.  
The high selectivity of the LTC1569-6 combined with its  
linear phase in the passband makes it suitable for filtering  
both in data communications and data acquisition sys-  
The LTC1569-6 features power saving modes and it is  
available in an SO-8 surface mount package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Frequency Response, fCUTOFF = 64kHz/16kHz/4kHz  
0
Single 3V Supply, 64kHz/16kHz/4kHz Lowpass Filter  
–20  
–40  
1
2
8
7
+
–
V
IN  
IN  
OUT  
V
OUT  
IN  
R
EXT  
= 10k  
1/4  
3V  
+
3V  
1µF  
V
LTC1569-6  
GND  
3.48k  
2k  
3
4
6
5
R
X
–60  
3V  
1µF  
1/16  
1/1  
–
V
DIV/CLK  
–80  
100pF  
EASY TO SET f  
:
CUTOFF  
–100  
64kHz (10k/R  
)
EXT  
1
10  
100  
1000  
f
=
CUTOFF  
1569-6 TA01  
1, 4 OR 16  
FREQUENCY (kHz)  
1569-6 TA01a  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
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