CS4351 PRODUCT BULLETIN New Stereo DAC Simplifies Designs & Lowers System Cost Integrated Line Drivers Provide 2 Vrms Output, Eliminates Costly Circuitry CS4351 Features ■ Advanced multi-bit Delta-Sigma modulator ■ 24-bit conversion ■ Up to 192 kHz sample rates ■ 112 dB dynamic range ■ -100 dB THD+N ■ Integrated line driver – 2Vrms line level output ■ Digital volume control with soft ramp ■ 119 dB attenuation ■ 1/2 dB step size ■ Zero crossing click-free transitions Simplifying designs and reducing system costs, the latest D/A converter from Cirrus Logic® takes integration to the next level, yet still delivers the sound quality that Cirrus® customers have come to expect over the past 20 ■ Automatic sample rate detection ■ Low clock-jitter sensitivity that makes analog design effortless, saves money, and accelerates time to ■ Popguard technology for control of clicks and pops market for manufacturers of audio electronics. ■ +9 V or +12 V analog power supply ■ +3.3 V digital power supply ■ Direct interface with 3.3 V to 1.8 V logic output signal found in most consumer electronics. This integration enables ■ Package: 20-pin TSSOP the CS4351 to directly drive the outputs of audio products such as DVD ■ CS4351 price: $1.60 (10K) players, which allows system designers to save valuable printed circuit-board ® years. The CS4351 is a single-chip, complete digital audio output system The CS4351 is the industry’s highest performance DAC to integrate the amplifier and filter stages, a process required to achieve the 2 Vrms line level CS4351 Applications space and significantly reduces their efforts to design the analog output section of their products. As a result, the CS4351 delivers audio performance equal ■ DVD players & recorders to that found in solutions that require many additional components, including ■ Digital set-top boxes and televisions operational amplifiers, resistors and capacitors. ■ Effects processors The CS4351 utilizes a multi-bit Delta-Sigma architecture, operates from a ■ Digital mixing consoles 9-volt or 12-volt power supply, and offers digital volume control with half dB ■ Musical instruments step sizes and patented Popguard® technology for control of clicks and pops ■ Automotive audio systems during power cycling. Achieving dynamic range performance of 112 dB and support for sample rates up to 192 kHz, the CS4351 is ideal for a wide range of audio systems including DVD players and recorders, digital set-top boxes Actual Size and televisions, mini-component systems, effects processors, digital mixing consoles, and automotive audio systems. Cirrus Logic, Inc. 2901 Via Fortuna Austin, TX 78746 USA T (512) 851-4000 T (800) 888-5016 F (512) 851-4977 © 2004 Cirrus Logic, Inc. All rights reserved. Cirrus, Cirrus Logic, and Leading the Digital Entertainment Revolution are trademarks of Cirrus Logic, Inc. Other brand and product names may be trademarks or service marks of their respective owners. For more information, visit us at www.cirrus.com 0113-0404-PB-LP