DEM-DAI3793A Evaluation Module Status: ACTIVE

Product Information

Description

The DEM-DAI3793A/3794A EVM is a complete evaluation platform for the PCM3793A/PCM3794A 16-bit, low-power stereo audio codec with microphone bias, headphone, and digital speaker. All necessary connectors and circuitry are provided for interfacing to audio test systems and commercial audio equipment.

Features

• Analog Front End:
  • Stereo Single-Ended Input With Multiplexer
  • Mono Differential Input
  • Stereo Programmable Gain Amplifier
  • Microphone Amplifier (20 dB) and Bias
•  Analog Back End:
  • Stereo/Mono Line Output With Volume
  • Stereo/Mono Headphone Amplifier With Volume and Capless Mode
  • Stereo/Mono Digital Speaker Amplifier(BTL) With Volume
• Analog Performance:
  • Dynamic Range: 93 dB (DAC)
  • Dynamic Range: 90 dB (ADC)
  • 40-mW + 40-mW Headphone Output at RL = 16 ohms
  • 700-mW + 700-mW Speaker Output at RL = 8 ohms
• Power Supply Voltage
  • 1.71 V to 3.6 V for Digital I/O Section
  • 1.71 V to 3.6 V for Digital Core Section
  • 2.4 V to 3.6 V for Analog Section
  • 2.4 V to 3.6 V for Power Amplifier Section
• Low Power Dissipation:
  • 7 mW in Playback, 1.8 V/2.4 V, 48 kHz
  • 13 mW in Record, 1.8 V/2.4 V, 48 kHz
  • 3.3 mW in Power Down
• Sampling Frequency: 5 kHz to 50 kHz
• Automatic Level Control for Recording
• Operation From a Single Clock Input Without PLL
• System Clock:
  • Common-Audio Clock (256 fS/384 fS), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
•  Headphone Plug Insert Detection
• Pop-Noise Reduction Circuit
• Short and Thermal Protection Circuit
• Package: 5-mm ´ 5-mm QFN Pacakge
• Operation Temperature Range: –40°C to 85°C

What's Included

• SLAS529,16-Bit Low Power Stereo Audio CODEC w/Microphone Bias Headphone Digit Speakr Amp (Rev. A)
• SBAU127,DEM-DAI3793A/3794A EVM User's Guide