ADAU1966 - ADI

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

Part No

ADAU1966
Manufacturer

ADI
ChipWorker Part#

CW622298934
Description

16Channel 118dB SNR Differential Output, 192kHz, 24Bit DAC
Documentation

Datasheet

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ADAU1966 Specifications

Attribute	Attribute Value

Part Number	ADAU1966
Manufacturer	ADI
ChipWorker Part#	CW622298934
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The ADAU1966 is a high performance, single-chip DAC that provides 16 digital-to-analog converters (DACs) with differential output using the Analog Devices, Inc., patented multibit sigma-delta (Σ-Δ) architecture. An SPI/I2 C port is included, allowing a microcontroller to adjust volume and many other parameters. The ADAU1966 operates from 2.5 V digital, 5 V analog and 3.3 V or 5 V input/output supplies. A linear regulator is included to generate the digital supply voltage from the analog supply voltage. The ADAU1966 is available in an 80-lead LQFP package.
The ADAU1966 is designed for low EMI. This consideration is apparent in both the system and circuit design architectures. By using the on-board PLL to derive the internal master clock from an external LRCLK, the ADAU1966 can eliminate the need for a separate high frequency master clock and can be used with or without a bit clock. The DACs are designed using the latest Analog Devices continuous time architectures to further minimize EMI. By using 2.5 V digital supplies, power consumption is minimized, and the digital waveforms are a smaller amplitude, further reducing emissions.
Applications
Automotive audio systems
Home theater systems
Digital audio effects processors
### Features and Benefits
118 dB DAC dynamic range and SNR
−98 dB THD + N
Differential voltage DAC output
2.5 V digital, 5 V analog and 3.3 V or 5 V I/O supplies
521 mW total (32.6 mW/channel) quiescent power
PLL generated or direct MCLK master clock
Low EMI design
Linear regulator driver to generate digital supply
Supports 24-bit and 32 kHz to 192 kHz sample rates
Low propagation 192 kHz sample rate mode
Log volume control with autoramp function
Temperature sensor with digital readout ±3°C accuracy
SPI and I2C controllable for flexibility
See data sheet for additional features

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