Switched Capacitor Filter, Switched Capacitor, 5th, 1, 2.5 V, 9 V, SOIC

LTC1062CSW#PBF - Switched Capacitor Filter, Switched Capacitor, 5th, 1, 2.5 V, 9 V, SOIC

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Product Overview

The LTC1062CSW#PBF is a 5th Order Lowpass Filter with no DC error. Its unusual architecture puts the filter outside the DC path so DC offset and low frequency noise problems are eliminated. This makes the LTC1062 very useful for lowpass filters where DC accuracy is important. The filter input and output are simultaneously taken across an external resistor. The LTC1062 is coupled to the signal through an external capacitor. This RC reacts with the internal switched capacitor network to form a 5th order roll off at the output. The filter cutoff frequency is set by an internal clock that can be externally driven. The clock-to-cutoff frequency ratio is typically 100:1, allowing the clock ripple to be easily removed. Two LTC1062 scan be cascaded to form a 10th order quasi max flat lowpass filter. The device can be operated with single or dual supplies ranging from ±2.5 to ±9V.
  • Operates DC to 20kHz
  • Operates on a single 5V supply or up to ±8V
  • Maximally flat response
  • Internal or external clock
  • Cascadable for faster rolloff
  • Buffer available


Signal Processing

Product Information

Switched Capacitor
MSL 1 - Unlimited
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