dsp integrated circuits ADAU1701JSTZ-RL 28-56 Bit Audio Processor Two ADCs and Four DACs
SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
> 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)
> Features
28-/56-bit, 50 MIPS digital audio processor
2 ADCs: SNR of 100 dB, THD + N of −83 dB
4 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 a 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 of up to 192 kHz are supported On-chip voltage regulator for compatibility with 3.3V systems 48-lead, plastic LQFP
> Description
The ADAU1701 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, crossover, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening.
This processing can be used to compensate for real-world limitations of speakers, amplifiers, and listening environments, providing dramatic improvements in perceived audio quality. Its signal processing is comparable to that found in high end studio equipment. Most processing is done in full 56-bit, double precision mode, resulting in very good low level signal performance. The ADAU1701 is a fully programmable DSP.
The easy to use SigmaStudio™ software allows the user to graphically configure a custom signal processing flow using blocks such as biquad filters, dynamics processors, level controls, and GPIO interface controls. ADAU1701 programs can be loaded on power-up either from a serial EEPROM through its own self-boot mechanism or from an external microcontroller.
On power-down, the current state of the parameters can be written back to the EEPROM from the ADAU1701 to be recalled the next time the program is run. Two Σ-Δ ADCs and four Σ-Δ DACs provide a 98.5 dB analog input to analog output dynamic. Each ADC has a THD + N of −83 dB, and each DAC has a THD + N of −90 dB. Digital input and output ports allow a glueless connection to additional ADCs and DACs. The ADAU1701 communicates through an I 2 C® bus or a 4-wire SPI port
> Specifications
Product Attribute
Attribute Value
Product Category:
Audio DSPs
ADAU1701
Audio DSPs
3.3 V
0 C
+ 70 C
SMD/SMT
LQFP-48
Reel
Height:
1.4 mm
Interface Type:
SPI
Length:
7 mm
Moisture Sensitive:
Yes
Number of Channels:
2 Channel
Number of Converters:
6
Product Type:
Audio DSPs
Resolution:
24 bit
SNR - Signal to Noise Ratio:
100 db
> Trading Guide
Shipping:
---Delivery period: For in-stock parts, orders are estimated to ship out in 3 days,Once shipped, estimated
delivery time depends on the below carriers you chose:
» DHL Express, 3-7 business days. » DHL eCommerce,12-22 business days. » FedEx International Priority, 3-7 business days » EMS, 10-15 business days. » Registered Air Mail, 15-30 business days.
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goods.
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---Shipping tracking: We will notify you by email with tracking number once order is shipped.
Returning warranty:
---Returning: Returns are normally accepted when completed within 30 days from date of shipment.Parts
should be unused and in original packaging. Customer has to take charge for the shipping.
Warranty:
---All Retechip purchases come with a 30day money back return policyThis warranty shall not apply to any
item where defects have been caused by improper customer assembly, failure by customer to follow
instructions,product modification, negligent or improper operation.
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