Texas Instruments

DF1704E/2K

DF1704E/2K Description

The DF1704E/2K is a high-performance Interpolation Filter IC designed for consumer and professional audio applications. Manufactured by Texas Instruments, this device is part of the SoundPlus™ series, known for its advanced audio processing capabilities. The DF1704E/2K is housed in a 28-pin SSOP package and is available in Tape & Reel (TR) format, making it suitable for surface mount applications. Despite its obsolete status, the DF1704E/2K remains a reliable choice for audio systems requiring precise interpolation filtering.

DF1704E/2K Features

• Interpolation Filter Function: The DF1704E/2K is specifically designed to perform interpolation filtering, enhancing audio signal quality by increasing the sampling rate. This function is critical for applications requiring high-fidelity audio output.
• Frequency Range: The device operates within a frequency range of 32kHz to 96kHz, providing flexibility for various audio processing tasks.
• Dual-Channel Support: With two channels, the DF1704E/2K can handle stereo audio signals, making it ideal for applications requiring dual-channel processing.
• Supply Voltage: The DF1704E/2K operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with a wide range of power supplies.
• I2S Interface: The device supports the I2S interface, facilitating seamless integration with other digital audio components.
• Compliance and Safety: The DF1704E/2K is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a variety of manufacturing environments.

DF1704E/2K Applications

The DF1704E/2K is ideal for a range of consumer and professional audio applications, including:

• Consumer Audio Devices: Enhancing the audio quality in devices such as high-end headphones, soundbars, and home theater systems.
• Professional Audio Equipment: Improving the performance of mixing consoles, digital audio workstations, and other professional audio gear.
• Automotive Audio Systems: Providing high-fidelity audio processing for in-car entertainment systems.
• Broadcasting Equipment: Ensuring high-quality audio transmission in broadcasting applications.

Conclusion of DF1704E/2K

The DF1704E/2K from Texas Instruments is a robust Interpolation Filter IC that offers significant performance benefits for audio applications. Its dual-channel support, wide frequency range, and compatibility with the I2S interface make it a versatile choice for enhancing audio signal quality. Despite its obsolete status, the DF1704E/2K remains a reliable option for engineers and designers seeking high-fidelity audio processing solutions. Its compliance with environmental and safety standards further enhances its appeal for modern electronics manufacturing.