Cirrus Logic

CS4397-KSZR

CS4397-KSZR Description

The CS4397-KSZR is a high-performance, 24-bit digital-to-analog converter (DAC) designed for audio applications. Manufactured by Cirrus Logic Inc., this obsolete yet highly regarded IC offers exceptional audio quality and versatility. It features a dual-channel architecture, supporting both DSD and PCM data interfaces, making it suitable for a wide range of high-fidelity audio systems. The device operates within a voltage supply range of 3V to 5.25V, ensuring compatibility with various power sources, both analog and digital.

CS4397-KSZR Features

• High Resolution and Sampling Rate: The CS4397-KSZR boasts a 24-bit resolution and a sampling rate of up to 192 kHz, delivering superior audio clarity and dynamic range. This high resolution ensures minimal quantization noise, resulting in clean and precise audio output.
• Dual-Channel DAC: With two channels, this DAC can handle stereo audio signals efficiently, making it ideal for applications requiring high-quality stereo sound reproduction.
• Flexible Data Interfaces: The support for both DSD (Direct Stream Digital) and PCM (Pulse Code Modulation) data formats provides flexibility in handling different types of digital audio data, catering to both high-resolution audio and standard PCM applications.
• Surface Mount Packaging: The surface mount technology (SMT) ensures ease of integration into compact and space-constrained designs, facilitating modern PCB layouts.
• Compliance and Safety: The CS4397-KSZR is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 2 (1 Year), making it suitable for standard manufacturing processes without additional handling precautions.
• Voltage Supply Flexibility: The ability to operate within a 3V to 5.25V supply range allows for compatibility with a variety of power sources, enhancing its versatility in different system designs.

CS4397-KSZR Applications

The CS4397-KSZR is particularly well-suited for applications where high-fidelity audio reproduction is paramount. Its high resolution and sampling rate make it ideal for:

• High-End Audio Systems: Use in high-fidelity home audio systems, where the reproduction of detailed and dynamic audio is crucial.
• Professional Audio Equipment: Integration into professional audio gear such as studio monitors, mixing consoles, and digital audio workstations (DAWs).
• Consumer Electronics: Application in premium consumer electronics like high-end headphones, portable audio players, and soundbars.
• Automotive Audio Systems: Suitable for car audio systems that demand high-quality audio performance.

Conclusion of CS4397-KSZR

The CS4397-KSZR, despite being obsolete, remains a benchmark in the realm of high-fidelity audio DACs. Its combination of 24-bit resolution, 192 kHz sampling rate, and support for both DSD and PCM formats ensures it delivers exceptional audio quality. The dual-channel design, surface mount packaging, and flexible voltage supply further enhance its appeal for a variety of applications. While newer models may offer additional features, the CS4397-KSZR continues to be a reliable choice for designers seeking a proven, high-performance audio DAC solution.