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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » ADAU1962 Differential Output DAC - Analog Devices
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Analog Devices ADAU1962 12-Channel High Performance Differential Output DAC

Analog Devices ADAU1962 12-Channel
High Performance Differential Output DAC

Analog Devices ADAU1962 high performance, single chip, digital-to- analog converter (DAC) provides 12 DACs with differential outputs using the Analog Devices, Inc., patented multibit sigma-delta (Σ-Δ) architecture. The  SPI/I2C port  allows a microcontroller to adjust volume and many other parameters. The ADAU1962 operates from 2.5 V digital and 3.3 V or 5 V analog supplies. A linear regulator is included to generate the digital supply voltage from the analog supply voltage. ADAU1962 is designed for low electromagnetic interference (EMI), evident in both the system and circuit design architectures. By using the on-board phase-locked loop (PLL) to derive the internal master clock from an external left-right frame clock (LRCLK)/frame clock, the ADAU1962 eliminates 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 of a smaller amplitude, further reducing emissions.

Features
  • 118 dB DAC dynamic range
  • −98 dB THD + N
  • Differential voltage DAC output
  • 2.5V digital with 3.3V or 5V analog and input/output supplies
  • 421mW total quiescent power dissipation
  • PLL generated or direct master clock
  • Low EMI design
  • Linear regulator driver to generate digital supply
  • Supports 24-bit and 32kHz to 192kHz sample rates
  • Low propagation 192kHz sample rate mode
  • Log volume control with autoramp function
  • Temperature sensor with digital readout: ±3°C accuracy
Applications
  • Automotive audio systems
  • Home theater systems
  • Digital audio effects processors
  • Process monitoring
  • Protective devices
  • Isolated sensor interfaces
Functional Block Diagram
Functional Block Diagram
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