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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (13 topics).
13 topics · 89 messages
Filtered by: AD1939 ✕
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ADAU1467eval board DAC stage volume attenuation
hi all, i've got an ADAU1467eval board, I've done a couple of apps for it, mainly to drive fullranges, mids and sub speaker thru with a multichannel power amp fed with crossed over and equalized signa
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AD1939 Sigma Studio Comms Failed
I've just built my first circuit/PCB with an AD1939 codec. Powered up and have checked for shorts in the circuit etc... Connected my USBi device (from an eval' board) and setup a quick SigmaStudio pro
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AD1939 Failing to Verify PLL Lock ADSP-21489
Hi, I am working on an audio design using the AD1939 codec alongside Sharc ADSP-21489. The design is largely based on the audio features present in the ADSP-21489 ez-kit, as are the schematic and layo
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AD1939 CODEC sample rate
For the AD1939 CODEC, data sheet specifies sample rates of 128/176.4/192 kHz if you set control register to '10'. We did that and are at 192 kHz. How do we get 128 kHz instead ? That's the ADC/DAC sam
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Controlling AD1939 via master control port ADAU1452
Good Morning, I'm currently working on an audio frontend, using the ADAU1452 and the AD1939. The AD1939 is connected to the master control port of the ADAU1452. The AD1939 should be configured during
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Intermittent noise with ADAU1446 application
Hi. We're a speaker company and have a new power amplifier application that's using ADAU1446 DSP with AD1939 CODEC. The amp has 4 x analogue inputs, 4 x Class D power amplifier outputs and 2 x line le
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ADAU1452 + AD1939 Solution - Need assistance please.
Hello, I am currently working on a solution with the ADAU1452 and the AD1939. The AD1939 is in SPI mode and connected to USBi, along with the ADAU1452. The USBi can read and write both devices success
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Click noise reading data from DSP
Hello, how are you? I am working on a test equipment with ADAU1442 + AD1939. Everything works good, except that when I perform any reading operation, the DSP clicks and pops. SPI is running at 500Khz.
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ADAU1446 I2S sample rate
Hi! We have a custom board with a ADAU1446 SigmaDSP and a AD1939 CODEC, both running with a master clock of 12,288MHz and sample rate of 48kHz. We would like to connect a Bluetooth board/chip over I2S
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ADU1446 sleep mode
Hi! We have a custom board with a ADAU1446 SigmaDSP (selfboot from EEPROM), a AD1939 CODEC and a PIC microcontroller. -Is there any possibility to run the DSP in a sleep mode (less then 40mA) when aud
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Output Crash when power down ADAU1446 pcb and power amp
Hello! I have a question about power down my pcb (ADAU1446 and AD1939) in combination with a power amplifier and a loudspeaker. It crashes/crackles very very loud every time I turn off the power of th
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AD1939 in selfboot system
Hi! I have a SW/HW question about programming the AD1939 CODEC in a Selfboot ADAU1446 DSP-System. My board works well with the ADAU1446 in I2C Mode, with selfboot from EEPROM (I2C) and with the AD1939
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Help on ADAU1446 Eval board
Dear Sirs I needing help on attached project in order to configure the ADAU1446 control and I have some additional questions. The idea is mount a board with 1 adau1446 and 2 ad1939 codecs (8 mono bala