Продукция > Интегральные схемы (ИС) > ИС для обработки звука > ADAU1445YSVZ-3A

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Audio DSPs 175MHZ SigmaDSP 2x8 SRCs

Производитель : Analog Devices, Inc
Упаковка/Ящик : LQFP-100
категорий продукта : Audio DSPs
Datasheet: ADAU1445YSVZ-3A Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
Наличность: 200


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ADAU1445YSVZ-3A информация о продукте

The flexible audio routing matrix (FARM) allows the user to multiplex inputs from multiple sources running at various sample rates to or from the SigmaDSP core. This drastically reduces the complexity of signal routing and clocking issues in the audio system. FARM includes up to eight stereo asynchronous sample rate converters (depending on the device model), Sony/ Philips Digital Interconnect Format (S/PDIF) input and output, and serial (I2S) and time division multiplexing (TDM) I/Os. Any of these inputs can be routed to the SigmaDSP core or to any of the asynchronous sample rate converters (ASRCs). Similarly, any one of the output signals can be taken from the SigmaDSP core or from any of the ASRC outputs. This routing scheme, which can be modified at any time via control registers, allows for maximum system flexibility.

The ADAU1442, ADAU1445, and ADAU1446 differ only in ASRC functionality and packaging. The ADAU1442/ADAU1445YSVZ-3A contain 16 channels of ASRCs and are packaged in TQFP packages, whereas the ADAU1446 contains no ASRCs and is packaged in an LQFP. The ADAU1442 can handle nine clock domains, the ADAU1445YSVZ-3A can handle three clock domains, and the ADAU1446 can handle one clock domain.

The ADAU1442/ADAU1445/ADAU1446 can be controlled in one of two operational modes: the settings of the chip can be loaded and dynamically updated through the SPI/I2C® port, or the DSP can self-boot from an external EEPROM in a system with no microcontroller. There is also a bank of multipurpose (MP) pins that can be used as general-purpose digital I/Os or as inputs to the 4-channel auxiliary control ADC.

The ADAU1442/ADAU1445/ADAU1446 are supported by the SigmaStudio graphical development environment. This software includes audio processing blocks such as FIR and IIR filters, dynamics processors, mixers, low level DSP functions, and third-party algorithms for fast development of custom signal flows.



  • Fully programmable audio digital signal processor (DSP) for enhanced sound processing
  • Features SigmaStudio™, a proprietary graphical programming tool for the development of custom signal flows
  • 172 MHz SigmaDSP core; 3584 instructions per sample at 48 kHz
  • 4k parameter RAM, 8k data RAM
  • Flexible audio routing matrix (FARM)24-channel digital input and outputTwo 8-channel asynchronous sample rate converters (from 1:8 up to 7.75:1 ratio and 139 dB DNR)
  • Stereo S/PDIF input and output
  • Supports serial and TDM I/O, up to fS = 192 kHz
  • See data sheet for additional information


  • Automotive audio processingHead unitsNavigation systemsRear-seat entertainment systemsDSP amplifiers (sound system amplifiers)
  • Commercial audio processing

Data Sheet, Rev. B, 04/10

ADAU1445YSVZ-3A Pinout
(Картинка: Pinout)

ADAU1445YSVZ-3A Block Diagram
(Картинка: Diagram)

Технические параметры

  • Operating Supply Voltage
  • 1.8 V, 3.3 V
  • Operating Temperature Range
  • + 105 C
  • Mounting Style
  • Package / Case
  • LQFP-100
  • Packaging
  • Tray
  • Factory Pack Quantity
  • 90

ADAU1445YSVZ-3A Datasheet

ADAU1445YSVZ-3A Связанные специальные

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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that ADAU1445YSVZ-3A is the original manufacturer or agent of ADI?
We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their ADAU1445YSVZ-3A devices; we pay more attention to the channels and quality of ADAU1445YSVZ-3A products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of ADAU1445YSVZ-3A chips? Including ADI original factory information, Audio DSPs application, ADAU1445YSVZ-3A pictures?
You can use Jotrin's intelligent search engine, or filter by DSP ; SigmaDSP Audio Processors category, or find it through Analog Devices, Inc Information page.
Q: Are the ADI's ADAU1445YSVZ-3A price and stock displayed on the platform accurate?
The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for ADAU1445YSVZ-3A, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
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Q: What is the process for returns or replacement of ADAU1445YSVZ-3A?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ADAU1445YSVZ3A we delivered, we will accept the replacement or return of the ADAU1445YSVZ-3A only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of ADAU1445YSVZ-3A.
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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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