Cirrus Logic WM8950CGEFL/V

АЦП, аудио124 b48kDSP, I²S1,71 В ~ 3,6 В-40°C ~ 85°CПоверхностный монтаж24-VFQFN Открытая площадка

Overview

The WM8950CGEFL/V is a low power, high quality mono ADC designed for portable applications such as digital still camera, digital voice recorder or games console accessories. The device integrates support for a differential or single ended mic. External component requirements are reduced as no separate microphone amplifiers are required. Advanced Delta Sigma converters are used along with digital decimation filters to give high quality audio at sample rates from 8 to 48ks/s. Additional digital filtering options are available, to cater for application filtering such as wind noise reduction, noise rejection, plus an advanced mixed signal ALC function with noise gate is provided. An on-chip PLL is provided to generate the required master clock from an external reference clock. The PLL clock can also be output if required elsewhere in the system. The WM8950CGEFL/V operates at supply voltages from 2.5 to 3.6V, although the digital supplies can operate at voltages down to 1.71V to save power. Different sections of the chip can also be powered down under software control by way of the selectable two or three wire control interface. WM8950CGEFL/V is supplied in a very small 4x4mm QFN package, offering high levels of functionality in minimum board area, with high thermal performance.

Features

Applications

• Digital Multimeters, PLC's (Programming Logic Controllers)
• RADAR processing, digital oscilloscopes
• CMOS Image sensors for mobile applications
• Medical Instrumentation and medical imaging
• Music recording
• Digital signal processing
• Scientific instruments
• Rotary encoder
• Displaying
• Transducer