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WM8946 Datasheet

Part Number WM8946
Manufacturers Cirrus Logic
Logo Cirrus Logic
Description Stereo Low-Power CODEC
Datasheet WM8946 DatasheetWM8946 Datasheet (PDF)

WM8946 Stereo Low-Power CODEC with Video Buffer DESCRIPTION FEATURES The WM8946 is a highly integrated low power hi-fi CODEC designed for portable devices such as digital still cameras. Up to 6 analogue inputs may be connected; a 2-channel digital microphone interface is also provided. Flexible output mixing options support single-ended and differential configurations, with outputs derived from the digital audio paths or from analogue bypass paths. Twin stereo outputs or stereo line and mono.

  WM8946   WM8946






Part Number WM8944B
Manufacturers Cirrus Logic
Logo Cirrus Logic
Description Mono Low-Power CODEC
Datasheet WM8946 DatasheetWM8944B Datasheet (PDF)

WM8944B Mono Low-Power CODEC with Video Buffer DESCRIPTION The WM8944B is a highly integrated low power hi-fi CODEC designed for portable devices such as digital still cameras. Up to 2 analogue inputs may be connected; a stereo digital microphone interface is also provided. Flexible output mixing options support single-ended and differential configurations, with outputs derived from the digital audio paths or from analogue bypass paths. Mono line output and mono BTL headphone/speaker drive i.

  WM8946   WM8946







Part Number WM8940
Manufacturers Wolfson Microelectronics
Logo Wolfson Microelectronics
Description Mono CODEC
Datasheet WM8946 DatasheetWM8940 Datasheet (PDF)

w WM8940 Mono CODEC with Speaker Driver DESCRIPTION The WM8940 is a low power, high quality mono CODEC designed for portable applications such as digital still cameras or camcorders. The device integrates support for a differential or single ended mic, and includes drivers for speakers or headphone, and mono line output. External component requirements are reduced as no separate microphone or headphone amplifiers are required. Advanced Sigma Delta Converters are used along with digital decima.

  WM8946   WM8946







Stereo Low-Power CODEC

WM8946 Stereo Low-Power CODEC with Video Buffer DESCRIPTION FEATURES The WM8946 is a highly integrated low power hi-fi CODEC designed for portable devices such as digital still cameras. Up to 6 analogue inputs may be connected; a 2-channel digital microphone interface is also provided. Flexible output mixing options support single-ended and differential configurations, with outputs derived from the digital audio paths or from analogue bypass paths. Twin stereo outputs or stereo line and mono BTL headphone/speaker drive may be supported. Flexible digital mixing and powerful DSP functions are available. Programmable filters and other processes may be applied to the ADC or DAC signal paths. The DSP functions include 3D-stereo enhancement, 5 notch filters, 5-band EQ, dynamic range control and the ReTune™ feature. The ReTune™ feature is a sophisticated digital filter that can compensate for imperfect characteristics of the housing, loudspeaker or microphone components in an application. The ReTune™ algorithm can provide acoustic equalisation and selective phase (delay) control of specific frequency bands. The WM8946 is controlled via a I2C or SPI interface. Additional functions include Digital beep generator, Video buffer, programmable GPIO functions, Frequency Locked Loop (FLL) for flexible clocking support and integrated LDO for low noise supply regulation. The WM8946 is supplied in 36-ball W-CSP package, ideal for portable systems.  Hi-fi audio CODEC - 94dB SNR during ADC.


2020-05-08 : AM5726    AM5716    AM5728    AM5729    R3710    WM1811G    BA12004DF-Z    MMBZ20VAL    NC7SZ19    BA12003DF-Z   


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