The new generation of PWM audio DAC for Set-Top-Boxes at 28 nm and 40 nm

Grenoble, France – February 9, 2015-- Dolphin Integration announces the rollout of the third generation of audio converters with the sDACa-MT1.03, an  ultra dense DAC with Pulse Width Modulation (PWM) for audio applications. This new product is delivered as a Virtual Component of Silicon IP with a set of application schematics enabling the user to select a solution optimized for the targeted performances while guaranteeing the lowest cost of Bill-of-Material.

The configuration flexibility of this audio DAC enables to support a large set of output peripherals, such as:

  • A sound amplifier with analog inputs
  • A sound amplifier with digital inputs
  • A line output (up to 6 Vrms)
  • 16/32/50 Ω headphones

This  stereo DAC has been designed to support most  worldwide STB standards. Thanks to its flexibility, such a Silicon IP is also suitable for various other applications such as  wireless speakers, digital radio or Smart TV. The sDACa-MT1.03 can reach performances up to 105 dB of SNR with its application schematics. Moreover, its small silicon area, under 0.1 mm2 at 28 nm, combined with a reduced pin count and a low-cost Bill-of-Material offer the perfect match for developing cost effective SoCs targeting high volume markets.

Key features :

  • Anti Pop-up Noise control signal
  • Spread-spectrum feature for safe integration with RF transceivers
  • PLL-less feature to prevent jitter issues on the DAC master clock
  • Jerkless feature to prevent performance drops due to jitter on the audio signal
  • Optionally delivered with a  voice trigger enabling to detect voice and wake-up the rest of SoC
  • Delivered with advanced views enabling  Noise Propagation Checks (NPC)
  • Logic design, enabling to save test cost thanks to  pure logic SCAN test

Availability:
At  40 nm SMIC and  28 nm TSMC but readily retargetable from 180 nm to 28 nm in most foundry processes.

Measurement reports: available on request.

For further information on the sDACa-MT1.03 Virtual Components at  40 nm SMIC and  28 nm TSMC, please visit us or contact us at  Email Contact




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