Linear Technology LTC1569IS8-7 Low Power, 10th Order Linear Phase Lowpass Filter

The LTC1569IS8-7 is an innovative, low-power, linear-phase lowpass filter component that is part of Linear Technology's impressive lineup of analog integrated circuits. Designed for a variety of signal processing applications, this 10th order filter provides a precise and stable filtering solution for designers who require high performance in a compact package.

Key Features

• Linear Phase Response: The LTC1569IS8-7 offers a near-ideal linear phase response, which preserves the time domain integrity of the input signal, making it particularly suitable for applications such as data communications, imaging, and audio processing.
• Fixed Frequency: This filter has a fixed cutoff frequency of 7.5kHz, which allows for easy implementation into systems without the need for external components or tuning.
• Low Power Consumption: With a supply current of only 2.5mA, the LTC1569IS8-7 is optimized for power-sensitive applications, contributing to battery longevity and reduced power supply requirements.
• Clock-Tunable Operation: The device can be clock-tuned over a wide frequency range, offering flexibility in various applications.
• No External Components Required: The integrated design means that no external resistors, capacitors, or inductors are needed, simplifying design and reducing board space.
• Compact Packaging: Housed in a narrow 8-lead SOIC package, the LTC1569IS8-7 is ideal for space-constrained applications.

Applications

The LTC1569IS8-7 is well-suited for a broad range of applications, including:

• Anti-aliasing for ADCs
• DAC output smoothing
• Telecommunications
• Audio processing
• Medical instrumentation
• Industrial control systems

Technical Specifications

The LTC1569IS8-7 operates from a single 2.7V to 5.5V supply, making it versatile for both 3V and 5V systems. The device features a fixed attenuation of -43dB at twice the cutoff frequency, ensuring adequate rejection of unwanted frequencies. In addition, it boasts a dynamic range of 80dB and operates over the industrial temperature range of -40°C to 85°C.

Overall, the LTC1569IS8-7 from Linear Technology stands out as a high-performance, reliable solution for designers seeking a lowpass filter with minimal design complexity and excellent signal integrity.