LTC1563-3

U U LTC1563-2/LTC1563-3 Active RC, 4th Order Lowpass Filter Family 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 FilterCADTM ■ 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 NarroUw SSOP-16 Package APPLICATIO S ■ Discrete RC Active Filter Replacement ■ Antialiasing Filters ■ Smoothing or Reconstruction Filters ■ Linear Phase Filtering for Data Communication ■ Phase Locked Loops DESCRIPTIO 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 pr...