AD1940YSTZ SigmaDSP Audio Processors by Analog Devices

SigmaDSP Audio Processors
Status: Production
Series: AD1940
RoHS: Compliant
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The AD1940 / AD1941 are a complete 28-bit, single-chip, multi-channel audio SigmaDSP™ for equalization, multiband dynamic processing, delay compensation, speaker compensation, and image enhancement. These algorithms can be used to compen-sate 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 AD1940 / 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 dynamics processor uses a sophisticated, multiple-breakpoint algorithm often found in high end broadcast compressors. The AD1940 / AD1941 are a fully programmable DSP. Easy to use software allows the user to graphically configure a custom signal processing flow using blocks such as biquad filters, dynamics processors, and surround sound processors. An extensive control port allows click-free parameter updates, along with readback capability from any point in the algorithm flow.The AD1940 / AD1941’s digital input and output ports allow a glueless connection to ADCs and DACs by multiple, 2-channel serial data streams or TDM data streams. When in TDM mode, the AD1940 / AD1941 can input 8 or 16 channels of serial data, and can output 8 or 16 channels of serial data. The input and output port configurations can be individually set. The AD1940 is controlled by a 4-wire SPI® port; the AD1941 is controlled by a 2-wire I2C® bus. Other than the control interface, the functions of the two parts are identical.

Where to Buy

Prices starting from US$5.64

Distributor Stock
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Analog Devices
from US$8.07
189
in stock
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Chip One Stop
from US$5.64
40
in stock
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Features

16-channel digital audio processor
Accepts sample rates up to 192 kHz
28-bit × 28-bit multiplier with full 56-bit accumulator
Fully programmable program RAM for custom program download
Parameter RAM allows complete control of 1,024 parameters
Control port features safeload for transparent parameter updates and complete mode and memory transfer control
Target/slew RAM for click-free volume control and dynamic parameter updates
See data sheet for additional features

Alternative Descriptions

SigmaDSP Multichannel 28B Audi | Analog Devices

Frequently Asked Questions

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What category does AD1940YSTZ fall under?

The AD1940YSTZ is listed under SigmaDSP Audio Processors.

Can I view similar or alternative parts?

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Is the AD1940YSTZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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