CS4280-CQ

Audio Special Purpose Overview

The CS4280-CQ is a CrystalClear PCI audio interface component manufactured by Cirrus Logic Inc. It operates with dual supply voltages: 3V to 3.6V for digital I/O and 4.75V to 5.25V for analog circuits, with an operating temperature range of 0°C to 70°C (TA). The device functions as a volume control unit for single-channel audio systems and features a serial interface. It is housed in a 128-TQFP surface-mount package, specifically identified as a 128-TQFP (20x14) supplier device package.

Audio Special Purpose Feature Summary

• CrystalClear PCI audio interface technology
• Dual voltage supply support: 3V–3.6V (Digital) and 4.75V–5.25V (Analog)
• Single-channel volume control function
• Serial interface connectivity

Audio Special Purpose Applications

• PCI Audio Systems

Audio Special Purpose Procurement Notes

Verify the specific package type against the 128-TQFP specification. Confirm that the serial interface requirements align with the system design. Ensure the operating temperature range of 0°C to 70°C meets the environmental constraints of the intended application.

Audio Special Purpose Selection Notes

Select this component for applications requiring a dedicated PCI audio interface with volume control capabilities. Ensure the power supply design accommodates both the 3V–3.6V and 4.75V–5.25V ranges. Verify compatibility with the 128-TQFP (20x14) footprint during PCB layout.

Audio Special Purpose Part Context

This part belongs to the Cirrus Logic CrystalClear series, designed for high-fidelity audio processing. The CS4280-CQ specifically targets PCI-based audio solutions, providing integrated volume control and serial interface management for single-channel audio streams.