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Cirrus Logic has recently expanded its line of analog and mixed-signal audio converter ICs to include two consumer and automotive audio products, such as set-top boxes, digital TVs, DVD recorders, audio/video receivers, and vehicles. Stereo analog-to-digital converter (ADC) for applications such as entertainment and service systems and musical instruments.The CS5343 and CS5344 are two new 10-pin analog-to-digital converters that offer OEMs the industry's smallest (less than 15 mm2) premium stereo audio ADC.
Based on an advanced multi-bit delta-sigma architecture, the CS5343 and CS5344 are powered from a single 3.3V or 5V and are dedicated to automatic mode selection without external configuration. The two converters also feature a unique input architecture that provides input impedance of up to 7.5mΩ, giving designers greater flexibility and using simple passive input circuitry instead of stereo line level inputs. This reduces design time and reduces board size and cost. The CS5343 and CS5344 support audio sampling rates up to 108 kHz, providing a dynamic range of 98 dB and a THD+N of -90 dB. The CS5343 and CS5344 consume only 50 mW, the only difference between the two is the supported serial audio interface format. The CS5343 supports the I2S format, and the CS5344 supports the left-end aligned serial data format.
Both the CS5343 and CS5344 are available in a 10-lead lead-free TSSOP package. The price per piece is $1.35, and the price is 10,000.
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