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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (43 topics).
43 topics · 186 messages
Filtered by: #adau1401a ✕
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AEC rating?
Datasheet doesn't indicate an AEC rating. Is it AEC-Q100? adau1401a Audio Signal Processors Datasheet/Specs SigmaDSP Audio Processors
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Inquiry Regarding ADAU1401A Application (I2S Connections)
We are currently reviewing the implementation of the ADAU1401A in our project. We have selected this part as it appears to offer the desired features at a cost-effective price point. Our initial plan
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ADAU1401A Noise level difference in case of Analog IN and Digital IN
Hi, ADI Support Team I am currently investigating the difference in noise levels at output between the analog and digital inputs of the ADAU1401A. When mute (No Slew) is executed during analog input,
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About Bug fixed of Multi-tap Delay for ADAU170x at SigmaStudio 4.6
Hi, ADI Support Team I found a following bug fix description in the release note of SigmaStudio 4.6. www.analog.com/.../sigmastudio_4.6_release_notes.pdf ADAU170x: - Wrong parameter addresses in Multi
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ADAU1401A: can it use both TDM and I2S inputs?
Hello, I would like to know if I can configure the ADAU1401A to receive data from a 8-ch TDM stream (only 4 channels, at the left part) on SDATA_0 and 2 additional channels in I2S format on SDATA_1. I
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DAC OUTPUT Specification of ADAU1401A
Hi, ADI Support Team Full-Scale Analog Output is specified 0.9Vrms (2.5Vp-p) as Typ in the datasheet. Is it possible to show the Max and Min value? Since I want to confirm whether this DAC output avoi
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Power Supply Sequence of ADAU1401A
Hi, ADI Support Team Is there any Power Supply Sequence between AVDD, DVDD, PVDD and IOVDD? I know that the sequence is specified in ADAU1452, etc. Is it same as ADAU1452? Best Regards, TomY adau1401a
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ADAU1401A - Connecting external slave mode codecs
Hello all, I am considering the possibility of using the ADAU1401A in my project. I wish to use several external codecs with I2S bus. the codecs are in slave mode. I've noticed the ADAU1401A serial in
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ADAU1401A I2S interface issue
So I have a design where we're pulling audio sources into ADC0 and ADC1, Additionally, I've two channels of I2S connected to SDATA_IN0. The DSP is the master, and has its LRCLK and BCLK on MP10 and 11
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Single precision mixed with double precision gives crackling and other noise issues.
Currently we are using an ADAU1401A with some external ADCs and DACs. For a specific horn loudspeaker design we are using a pretty complex crossover filter and we bumped into some very strange issues.
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Is it possible to fine tuning the pitch / volume of the ADAU1401a?
Hi AID's One of the customers is developing the ADAU1401a and she wants to control pitch and volume precisely. she would like to be able to adjust to two decimal places as much as possible to implemen
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Some questions about SigmaDSP
Hi ADI's One of my customers is reviewing the application of sigmaDSP to new projects. The part under review is one of ADAU1401A and ADAU1452, and following questions. 1. she wants pitch control, Is i
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Microphone connection to ADAU1401A
Hi, Is it possible to connect a microphone to ADC of ADAU1401A? Since there is not MICBIAS, etc. on ADAU1401A, so I believe that it is difficult Do you know any solution to connect a microphone to ADA
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ADAU1701 / ADAU1401 SPI Interface Timing
The ADAU1701 and ADAU1401 data sheets specify maximum SPI clock CCLK frequency as 6.25MHz. The data is available on the COUT pin up to 101ns after the CCLK falling edge according to the table above, b
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The ADAU1401A maximum analog inputs current.
The ADAU1401A data sheet Rev A doesn't specify the ADC inputs current in its Absolute Maximum Rating section. Could ADI provide this missing information? adau1401a Audio Signal Processors SigmaDSP Aud
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Noise cancelling on SigmaDSP
Hi, One of our customers is looking for noise cancelling in the ADAU1401A. They tested NC on the ADAU1761, now they would like to know if the NC can be ported to the ADA1401A. Looking at the other thr
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How can I get around 1401a only being able to output either TDM or i2s
I am working on a range of products that use the ADAU1401a along with a DAC so that we can output 6 channels of analogue audio. We are using intent on using a specific DAC that ONLY SUPPORTS I2S INPUT
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How to generate 40KHz signal using ADAU1401A?
Dear all, My project need to work at 40KHz. I am trying to use a simple test circuit to get a 40KHz sinusoidal wave first. I connect a source to the output directly. I set the sample rate to 96KHz. Ho
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Linux Driver for ADAU1442
Hi, all I am looking for "Linux Driver for ADAU1442". Actually, I can find out Linux Driver for ADAU1401, ADAU1401A, ADAU1461, ADAU1761, etc. But, I cannot look for "Linux Driver for ADAU1442" at the
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Which processor is best for implementing the Adaptive filter Algorithm
Hello, Which Processor is best for implementing all the different types of Adaptive filter Algorithms for Noise cancellation like: - Wiener Filter - Recursive Least Squares (RLS) - Least Mean Squares
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ADAU1701/1401 I2C addressing AFTER selfboot sequence
Dear friends! Still fighting with my super slow multi adau1401 project and here's my question. I'm trying to develop a board with 2 ADAU1401s and I want them selfboot separately from each own EEPROM.
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uC Control of the ADAU 1702 Eval board
I've been troubleshooting this eval board using the EVAL-ADAU1401AEBZ evaluation board manual and have come up with a couple unanswered questions when attempting to boot the board using a microcontrol
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Can the ADAU1401A have dual sampling rates
We want to be able to sample in I2S data at one sampling rate, do some processing, and also output the audio stream in a different independent sampling rate. It looks like this is possible through the
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Understanding S5 switch on ADAU1701-MINIZ
Dear friends! I'm quite new to the ADAU family of devices, so probably I'm going to ask some long-before-answered questions just due to lack of skills in web search, but, sorry, here it goes anyway) W
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Can I program a RLS filter using SigmaStudio on a ADAU1401A (SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs)?
Hello all, I want to implement a RLS filter using the program SigmaStudio on a ADAU1401A. Is this possible? I don't find the right way to do it. Thank you in advance adau1401a Audio Signal Processors