LTC1264CN#PBF

Overview

The LTC1264CN#PBF is a high-speed, quad universal filter building block from Analog Devices Inc. It integrates four identical second-order switched-capacitor filter sections within a single 24-lead plastic DIP package. The device operates on power supplies ranging from ±2.375V to ±8V and supports center frequencies up to 250kHz. Each section features a standard clock-to-center frequency ratio of 20:1, which can be modified externally. Key electrical characteristics include a gain-bandwidth product of 7MHz, a slew rate of 10V/µs, and a maximum clock frequency of 6MHz at ±7.5V supply.

Feature Summary

• Integrates four identical second-order switched-capacitor filter sections for versatile signal processing.
• Features double-sampling architecture to significantly improve aliasing performance.
• Supports multiple operational modes including Mode 1, Mode 1b, Mode 2, Mode 3, Mode 3a, and Mode 2n.
• Provides low noise and low harmonic distortion suitable for precision applications.

Applications

• Digital communications systems
• Spread spectrum communications
• Spectral analysis equipment
• Loran receivers
• General instrumentation

Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free compliance when sourcing this component. Confirm that the CN suffix corresponds to the 24-lead PDIP package variant required for your design. Ensure the supplier provides valid documentation confirming the part matches the Analog Devices Inc. specifications provided in the official datasheet.

Selection Notes

Select the LTC1264CN#PBF when a compact solution requiring four independent filter sections is necessary. Consider the 20:1 clock-to-frequency ratio and verify if external modifications are needed for different ratios. Evaluate the operating temperature range and supply voltage requirements against the specified limits of ±2.375V to ±8V for optimal performance.

Part Context

This component belongs to the LTC1264 series of universal filter building blocks manufactured by Analog Devices Inc. It is designed as a modular solution for constructing complex filter responses by cascading its internal sections. The CN variant specifically denotes the narrow 0.3-inch wide 24-lead plastic DIP package format.

Replacement Considerations

Public confirmed substitute part numbers are not available in the verified source material.