LTC1563-3 有源 RC、4 阶低通滤波器系列
The LTC®1563-2/LTC1563-3 are a family of extremely easy-to-use, active RC lowpass filters with rail-to-rail inputs and outputs and low DC offset suitable for systems with a resolution of up to 16 bits. The LTC1563-2, with a single resistor value, gives a unity-gain Butterworth response. The LTC1563-3, with a single resistor value, gives a unity-gain Bessel response. The proprietary architecture of these parts allows for a simple resistor calculation: R = 10k (256kHz/fC); fC = Cutoff Frequency where fC is the desired cutoff frequency. For many applications, this formula is all that is needed to design a filter. By simply utilizing different valued resistors, gain and other responses are achieved. The LTC1563-X features a low power mode, for the lower frequency applications, where the supply current is reduced by an order of magnitude and a near zero power shutdown mode. The LTC1563-Xs are available in the narrow SSOP-16 package (Same footprint as an SO-8 package).
产品特点 Features
- Extremely Easy to Use—A Single Resistor Value Sets the Cutoff Frequency (256Hz < fC < 256kHz)
- Extremely Flexible—Different Resistor Values Allow Arbitrary Transfer Functions with or without Gain (256Hz < fC<256kHz)
- Supports Cutoff Frequencies Up to 360kHz Using FilterCAD™
- LTC1563-2: Unity-Gain Butterworth Response Uses a Single Resistor Value, Different Resistor Values Allow Other Responses with or without Gain
- LTC1563-3: Unity-Gain Bessel Response Uses a Single Resistor Value, Different Resistor Values Allow Other Responses with or without Gain
- Rail-to-Rail Input and Output Voltages
- Operates from a Single 3V (2.7V Min) to ±5V Supply
- Low Noise: 36µVRMS for fC = 25.6kHz, 60µVRMS for fC = 256kHz
- fC Accuracy < ±2% (Typ)
- DC Offset < 1mV
- Cascadable to Form 8th Order Lowpass Filters
- Available in Narrow SSOP-16 Package
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应用
- Discrete RC Active Filters and Modules
- Antialiasing Filters
- Smoothing or Reconstruction Filters
- linear Phase Filtering for Data Communication
- Phase Locked Loops
典型应用图
参数
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LTC1563-3 订购信息和价格参考Package Variations and Pricing
| 器件型号 |
封装 |
引脚 |
温度 |
价格 (以 1 ~ 99 片为批量) |
价格 (以 1000 片为批量) * |
| LTC1563-2CGN |
SSOP |
16 |
C |
$2.35 |
$1.95 |
| LTC1563-2CGN#PBF |
SSOP |
16 |
C |
$2.35 |
$1.95 |
| LTC1563-2CGN#TR |
SSOP |
16 |
C |
|
$2.01 |
| LTC1563-2CGN#TRPBF |
SSOP |
16 |
C |
|
$2.01 |
| LTC1563-2IGN |
SSOP |
16 |
I |
$2.60 |
$2.15 |
| LTC1563-2IGN#PBF |
SSOP |
16 |
I |
$2.60 |
$2.15 |
| LTC1563-2IGN#TR |
SSOP |
16 |
I |
|
$2.21 |
| LTC1563-2IGN#TRPBF |
SSOP |
16 |
I |
|
$2.21 |
| LTC1563-3CGN |
SSOP |
16 |
C |
$2.35 |
$1.95 |
| LTC1563-3CGN#PBF |
SSOP |
16 |
C |
$2.35 |
$1.95 |
| LTC1563-3CGN#TR |
SSOP |
16 |
C |
|
$2.01 |
| LTC1563-3CGN#TRPBF |
SSOP |
16 |
C |
|
$2.01 |
| LTC1563-3IGN |
SSOP |
16 |
I |
$2.60 |
$2.15 |
| LTC1563-3IGN#PBF |
SSOP |
16 |
I |
$2.60 |
$2.15 |
| LTC1563-3IGN#TR |
SSOP |
16 |
I |
|
$2.21 |
| LTC1563-3IGN#TRPBF |
SSOP |
16 |
I |
|
$2.21 |
LTC1563-3 数据手册及相关资料下载
- 数据手册(英文) : LTC1563-2/LTC1563-3 - Active RC, 4th Order Lowpass Filter Family.PDF
- 设计要点 (英文) : DN245 - Free FilterCAD 3.0 Software Designs Filters Quickly and Easily.PDF
- 设计要点 (英文) : DN251 - Replace Discrete Lowpass Filters with the LTC1563 Zero Design Effort, Two Item BoM and No Surprises.PDF
- 可靠性数据 : R401 Reliability Data.PDF
