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The LTC1064-4CSW is an 8th-order, clock-sweepable Cauer lowpass switched-capacitor filter manufactured by Analog Devices Inc. It operates on dual power supplies ranging from ±2.37V to ±8V (total supply up to 16V) and supports a maximum cutoff frequency of 100kHz. The device features a wideband noise of 135µVRMS and total harmonic distortion of 0.03% or better. It provides stopband attenuation of 80dB at twice the cutoff frequency. The component is housed in a 16-lead plastic wide SOIC package.
Verify the specific suffix 'CSW' corresponds to the 16-lead plastic wide SOIC package variant when sourcing. Confirm that the ordering part number matches the required temperature range and package style. Ensure compatibility with the intended PCB footprint and soldering process for surface-mount assembly.
Select this component for designs requiring an 8th-order lowpass response without discrete op-amp complexity. Choose the 50:1 ratio mode for higher cutoff frequencies up to 100kHz or the 100:1 ratio mode for lower noise and delay nonlinearity. Ensure the external clock source meets the TTL or CMOS requirements within the specified voltage limits.
This component belongs to the LTC1064 family of switched-capacitor filters. It is pin-compatible with the LTC1064-1, LTC1064-2, and LTC1064-3 variants. The CSW suffix specifically denotes the 16-lead plastic wide SOIC package, distinguishing it from the 14-lead PDIP or CERDIP options available in the series.
Public confirmed substitute part numbers include LTC1064-1, LTC1064-2, and LTC1064-3 due to pin compatibility.