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4 ADC/8 DAC, 192 kHz, 24-Bit CODEC with PLL, Single-Ended Output, I2C Control

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Part Details
  • PLL generated (32-192 kHz) or direct master clock
  • Low EMI design
  • 106 dB DAC/ 107 dB ADC Dynamic Range and SNR
  • -92 dB THD+N
  • Single 3.3 V Supply
  • Supports 24-bits and 8 kHz - 192 kHz sample rates
  • Tolerance for 5 V logic inputs
  • Stereo and TDM Modes up to 16 channel in/out
  • Differential ADC input
  • Single-ended DAC output for simple implementation
  • Log volume control with "auto-ramp" function and mute
  • I2C Control Interface
Additional Details
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The AD193X family are high performance, single-chip CODECs that provide 4 ADCs with differential input and 8 DACs with either single-ended or differential output using ADI’s patented multibit sigma-delta architecture. An SPI® or I2C® port is included, allowing a microcontroller to adjust volume and many other parameters. The AD193X family operates from 3.3 V digital and analog supplies. The AD193X is available in a 48-lead or 64-lead LQFP package.

The AD193X 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 master clock from L/R clock, the AD193X eliminates the need for a separate high frequency master clock. It can also be used with a suppressed bit clock. The D/A and A/D converters are designed using the latest ADI continuous time architectures to further minimize EMI. By using 3.3 V supplies, power consumption is minimized, further reducing emissions.


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