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CDB43L21 датащи(PDF) 2 Page - Cirrus Logic |
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CDB43L21 датащи(HTML) 2 Page - Cirrus Logic |
2 / 63 page 2 DS723A1 CS43L21 APPLICATIONS Portable Audio Players MD Players PDAs Personal Media Players Portable Game Consoles Smart Phones Wireless Headsets GENERAL DESCRIPTION The CS43L21 is a highly integrated, 24-bit, 96 kHz, low power stereo DAC. Based on multi-bit, delta-sigma modulation, it allows infinite sample rate adjustment be- tween 4 kHz and 96 kHz. The DAC offers many features suitable for low power, portable system applications. The DAC output path includes a digital signal process- ing engine. Tone Control provides bass and treble adjustment of four selectable corner frequencies. The Mixer allows independent volume control for PCM mix, as well as a master digital volume control for the analog output. All volume level changes may be configured to occur on soft ramp and zero cross transitions. The DAC also includes de-emphasis, limiting functions and a beep generator delivering tones selectable across a range of two full octaves. The stereo headphone amplifier is powered from a sep- arate positive supply and the integrated charge pump provides a negative supply. This allows a ground-cen- tered analog output with a wide signal swing and eliminates external DC-blocking capacitors. In addition to its many features, the CS43L21 operates from a low-voltage analog and digital core, making this DAC ideal for portable systems that require extremely low power consumption in a minimal amount of space. The CS43L21 is available in a 32-pin QFN package in both Commercial (-10 to +70° C) and Automotive grades (-40 to +85° C). The CS43L21 Customer Dem- onstration board is also available for device evaluation and implementation suggestions. Please see “Ordering Information” on page 63 for complete details. |
Аналогичный номер детали - CDB43L21 |
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Аналогичное описание - CDB43L21 |
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