Cirrus Logic Targets Cutting-edge Audio with New A/D Converter

3/26/2003 - Cirrus Logic Inc. (Nasdaq: CRUS) introduced its CS5381, a 120 dB, 192 kHz high-performance stereo analog-to-digital converter (ADC). The flagship CS5381 is the latest in a family of pin-compatible converters from Cirrus and is designed as the converter of choice for cutting-edge audio applications such as digital mixing consoles, multitrack recording systems, flagship audio/video receivers and effects processors.

“The CS5381 delivers a combination of price and performance that is unparalleled in the industry today,” said Jason Rhode, director of Marketing, Mixed-Signal Products, Cirrus. “The CS5381 is the fifth new high-performance ADC launched by Cirrus over the last 10 months, expanding the Cirrus ADC product family from 101 dB to 120 dB, and offering pin compatibility and price performance that leads the industry.”

Priced at half the cost of competing solutions for quantities of 1,000, the CS5381 offers the best price/performance ADC solution for the high-end market. The chip delivers 120 dB dynamic range and THD+N performance of –110 dB. With 24-bit resolution and support for 192 kHz sample rates, the CS5381 is ready for next-generation audio formats such as DVD-Audio, all while consuming 50 percent less power and requiring 80 percent less board space than 120 dB ADCs available today.

The CS5381 converter is based on a proprietary multi-bit Delta-Sigma architecture with advanced dynamic element matching. Operation from a 5V power supply, integrated level shifters for direct interface to logic levels from 5V to 2.5V, an integrated high-pass filter for DC offset removal, a linear phase digital anti-alias filter and overflow detection make the CS5381 the most complete analog-to-digital high performance solution for audio systems. Because it is pin-compatible with the CS5361, customers can upgrade current designs with no effort required, thereby simplifying designs and reducing time to market for new audio products.

Pricing and Availability
The CS5381 is offered in a 24-pin TSSOP or SOIC package and is currently sampling and priced at $14.95 for quantities of 1,000.

Cirrus Logic Inc.
Cirrus Logic is a premier supplier of high-performance analog, mixed-signal and digital processing solutions for consumer entertainment electronics, automotive entertainment and industrial product applications. Building on its global market leadership in audio ICs and its rich mixed-signal patent portfolio, Cirrus Logic targets audio, video and precision mixed-signal applications in these growing markets. The Company operates from headquarters in Austin, Texas, with offices in California, Colorado, Europe, Japan and Asia.

Cirrus Logic is a trademark of Cirrus Logic Inc.

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