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Series Information for ADAU1701JSTZ - Analog Devices


  • feature
    28-/56-bit, 50 MIPS digital audio processor 2 ADCs: SNR of 100 dB, THD + N of u221283 dB 4 DACs: SNR of 104 dB, THD + N of u221290 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 u00d7 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 u00d7 fS, 256 u00d7 fS, 384 u00d7 fS, or 512 u00d7 fS clocks Flexible serial data input/output ports with I2 S-compatible, left-justified, right-justified, and TDM modes Sampling rates of up to 192 kHz are supported On-chipvoltage regulator for compatibility with3.3V systems 48-lead, plastic LQFP



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, cross- over, 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 perfor- mance. 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 I2C® bus or a 4-wire SPI port.


Audio Control Type:
Digital Audio Interface
Supply Voltage Range:
1.8V 3.3V
Control Interface:
I2C Serial
Audio IC Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
ADAU1701 Series
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 3 - 168 hours
No SVHC (07-Jul-2017)
Control / Process Application:
Automotive Head Units MP3 Player Speaker Docks Studio Monitors
Operating Temperature Range:
0°C to +70°C
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
Audio Processor 48-Pin LQFP
Newark Electronics
Audio Control, Digital Audio Interface, 1.8V, 3.3V, I2C, Serial, LQFP, 48, 0 C RoHS Compliant: Yes
Richardson RFPD
RS Components UK
Audio Processor 48-Pin LQFP
RS Components DE
Audio Prozessor ADAU1701JSTZ, LQFP 48-Pin Montage-Typ : SMD Abmessungen : 7 x 7 x 1.4mm Länge : 7mm Betriebstemperatur max. : +70 °C, Analog Devices
RS Components HK
Audio Processor 48-Pin LQFP
RS Components JP
RS Components FR
Processeur audio LQFP48
RS Components CN
ADAU1701JSTZ 音频处理器, 48针 LQFP
RS Components ES
Audio Processor 48-Pin LQFP
RS Components NL
Audio Processor 48-Pin LQFP
RS Components NO
Audio Processor 48-Pin LQFP
RS Components US
Audio Processor 48-Pin LQFP
RS Components SG
Audio Processor 48-Pin LQFP
RS Components TW
Audio Processor 48-Pin LQFP