ADAU1702 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADAU1702
Manufacturer

ADI
ChipWorker Part#

CW622314656
Description

SigmaDSP® 28-/56Bit Audio Processor with Two ADCs and Four DACs
Documentation

Datasheet

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ADAU1702 Specifications

Attribute	Attribute Value

Part Number	ADAU1702
Manufacturer	ADI
ChipWorker Part#	CW622314656
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

GENERAL DESCRIPTION
The ADAU1702 is a complete single-chip audio system with a 28-/56-bit audio DSP, ADCs, DACs, and microcontroller-like control interfaces. Signal processing includes equalization, cross over, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening and can be used to compensate for real-world limitations of speakers, amplifiers, and listening environments, providing a dramatic improvements of perceived audio quality.
FEATURES
28-/56-bit, 25 MIPS digital audio processor
Two ADCs: SNR of 100 dB, THD + N of −83 dB
Four DACs: SNR of 104 dB, THD + N of −90 dB
Complete standalone operation
Self-boot from serial EEPROM
Auxiliary ADC with 4-input mux for analog control
GPIOs for digital controls and outputs
Fully programmable with SigmaStudio™ graphical tool
28-bit × 28-bit multiplier with 56-bit accumulator for full double-precision processing
Clock oscillator for generating master clock from crystal
PLL for generating master clock from 64 × fS, 256 × fS, 384 × fS, or 512 × fS clocks
Flexible serial data input/output ports with I2S-compatible, left-justified, right-justified, and TDM modes
Sampling rates up to 192 kHz supported
On-chip voltage regulator for compatibility with 3.3 V systems
48-lead, plastic LQFP
APPLICATIONS
Multimedia speaker systems
MP3 player speaker docks
Automotive head units
Minicomponent stereos
Digital televisions
Studio monitors
Speaker crossovers
Musical instrument effects processors
In-seat sound systems (aircraft/motor coaches)

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- X-ray inspection
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- Electrical testing
- Surface testing

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