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CDB4270 Fiches technique(PDF) 2 Page - Cirrus Logic |
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CDB4270 Fiches technique(HTML) 2 Page - Cirrus Logic |
2 / 48 page 2 DS686A1 CS4270 Stand-Alone Mode Feature Set System Features – Serial Audio Port Master or Slave Operation – Single, Double, or Quad-Speed Operation D/A Features – Auto-mute on Static Samples – 44.1 kHz 50/15 µs De-emphasis Available – Selectable Serial Audio Interface Formats Left-Justified up to 24-bit I²S up to 24-bit A/D Features – High-Pass Filter – Selectable Serial Audio Interface Formats Left-Justified up to 24-bit I²S up to 24-bit Software Mode Feature Set System Features – Serial Audio Port Master or Slave Operation – Internal Digital Loopback Available D/A Features – Selectable Auto-mute – 44.1-kHz De-emphasis Filters – Configurable Muting Controls – Volume Control – Selectable Serial Audio Interface Formats Left-Justified up to 24-bit I²S up to 24-bit Right Justified 16, and 24-bit A/D Features – Selectable High-Pass Filter or DC Offset Calibration – Selectable Serial Audio Interface Formats Left-Justified up to 24-bit I²S up to 24-bit General Description The CS4270 is a high-performance, integrated audio CODEC. The CS4270 performs stereo analog-to-digital (A/D) and digital-to-analog (D/A) conversion of up to 24-bit serial values at sample rates up to 216 kHz. Standard 50/15 µs de-emphasis is available for sam- pling rates of 44.1 kHz for compatibility with digital audio programs mastered using the 50/15 µs pre-emphasis technique. Integrated level translators allow easy interfacing be- tween the CS4270 and other devices operating over a wide range of logic levels. Independently addressable high-pass filters are avail- able for the right and left channel of the A/D. This allows the A/D to be used in a wide variety of applications where one audio channel and one DC measurement channel is desired. The CS4270’s wide dynamic range, negligible distor- tion, and low noise make it ideal for applications such as DVD-recorders, digital televisions, set top boxes, ef- fects processors, and automotive audio systems. ORDERING INFORMATION Product Description Package Pb-Free Grade Temp Range Container Order # CS4270 24-Bit 192 kHz Stereo Audio CODEC 24-TSSOP YES Commercial -10° to +85° C Rail CS4270-CZZ Tape & Reel CS4270-CZZR CS4270 24-Bit 192 kHz Stereo Audio CODEC 24-TSSOP YES Commercial -40° to +85° C Rail CS4270-DZZ Tape & Reel CS4270-DZZR CDB4270 CS4270 Evaluation Board - - - - - CDB4270 |
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