SigmaDSP™ Multichannel 28-Bit Audio Processor

The AD1941 is a complete 28-bit, single-chip, multichannel Audio DSP for speaker equalization, multiband compression/ limiting, delay compensation, and image enhancement. These algorithms CAN be used to compensate for the real-world limitations of speakers, Amplifiers and listening environments, resulting in a dramatic improvement of perceived Audio quality.
The signal processing used in the AD1941 is comparable to that found in high-end studio equipment. Most of the processing is done in full 56-bit double-precision mode, resulting in very good low-level signal performance and the absence of limit cycles or idle Tones The compressor/limiter uses a sophisticated multiple-breakpoint algorithm often found in high-end broadcast compressors.
The AD1941 is a fully-programmable DSP Easy-to-use software allows the user to graphically configure a custom signal processing flow with provided blocks such as biquad Filters dynamics processors, and surround sound processors. An extensive control port allows click-free parameter updates, along with read-back capability from any point in the algorithm flow.
The AD1941s digital input and output ports allow glueless connection to ADCs and DACs in either 2-channel or TDM mode, and to digital Amplifier power stages such as the AD1991. When in TDM mode, the AD1941 CAN input 8 or 16 channels of serial data, and CAN output either 8 or 16 channels of serial data. The input and output port configurations CAN be individually set.
Applications Automotive sound systems Mini-component stereos Home theater systems (AC-3 postprocessor) Multichannel Audio systems Multimedia Audio Digital speaker crossover Musical instruments In-seat sound systems (aircrafts/motor coaches)
By Analog Devices, Inc.
AD1941 's PackagesAD1941 's pdf datasheet
AD1941YSTZ LQFP
AD1941YSTZRL LQFP




AD1941 Pinout, Pinouts
AD1941 pinout,Pin out
This is one package pinout of AD1941,If you need more pinouts please download AD1941's pdf datasheet.

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