TLV320DAC3100 - Low-Power Stereo Audio DAC With Mono Class-D Speaker Amplifier

The TLV320DAC3100 device is a low-power, highly integrated, high-performance stereo audio DAC with 24-bit stereo playback and digital audio processing blocks.

The device integrates headphone drivers and speaker drivers. The mono speaker driver can drive loads down to 4 Ω. The TLV320DAC3100 device has a suite of built-in processing blocks for digital audio processing. The digital audio data format is programmable to work with popular audio standard protocols (I²S, left/right-justified) in master, slave, DSP, and TDM modes. Bass boost, treble, or EQ can be supported by the programmable digital signal-processing block. An on-chip PLL provides the high-speed clock needed by the digital signal-processing block. The volume level can be controlled either by pin control or by register control. The audio functions are controlled using the I²C serial bus.

The TLV320DAC3100 device has a programmable digital sine-wave generator and is available in a 32-pin VQFN package.

• Stereo Audio DAC with 95-dB SNR
• Supports 8-kHz to 192-kHz Sample Rates
• Mono Class-D BTL Speaker Driver (2.5 W Into 4-Ω or 1.6 W Into 8-Ω)
• Two Single-Ended Inputs With Mixing and Output Level Control
• Stereo Headphone/Lineout and Mono Class-D Speaker Outputs Available
• Microphone Bias
• Headphone Detection
• 25 Built-in Digital Audio Processing Blocks (PRB_P1 – PRB_P25) Providing Biquad and FIR Filters, DRC, and 3-D Structures
• Digital Mixing Capability
• Pin Control or Register Control for Digital-Playback Volume-Control Settings
• Digital Sine-Wave Generator for Beeps and Key Clicks (PRB_P25)
• Programmable PLL for Flexible Clock Generation
• I²S, Left-Justified, Right-Justified, DSP, and TDM Audio Interfaces
• I²C Control With Register Auto-Increment
• Full Power-Down Control
• Power Supplies:
  • Analog: 2.7 V–3.6 V
  • Digital Core: 1.65 V–1.95 V
  • Digital I/O: 1.1 V–3.6 V
  • Class-D: 2.7 V–5.5 V (SPKVDD ≥ AVDD)
• 5-mm × 5-mm 32-VQFN Package