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DATA SHEET
TLV320ADC3100 Low-Power Stereo ADC for Voice-Activated Systems and Portable Audio
1 Features
- Stereo Audio ADC:
- 92-dBA Signal-to-Noise Ratio
- Supports ADC Sample Rates From 8 kHz to 96 kHz
- Flexible Digital Filtering With Programmable Coefficients and Built-In Processing Blocks:
- Low-Latency IIR Filters for Voice
- Linear Phase FIR Filters for Audio
- Up to 5 Additional Programmable Bi-Quad Filters
- Programmable High-Pass Filter
- Four Audio Inputs With Configurable Automatic Gain Control (AGC):
- Programmable in Single-Ended or Fully Differential Configurations
- Optionally Tri-Stated for Easy Interoperability With Other Audio Devices
- Low Power Consumption and Extensive Modular Power Control:
- 6-mW Mono Record, 8-kHz
- 11-mW Stereo Record, 8-kHz
- 10-mW Mono Record, 48-kHz
- 17-mW Stereo Record, 48-kHz
- Programmable Microphone Bias
- Programmable PLL for Clock Generation
- I2C Control Bus
- Audio Serial Data Bus Supports I2S, Left- and Right-Justified, DSP, PCM, and TDM Modes
- Power Supplies:
- Analog: 2.7 V to 3.6 V
- Digital: Core: 1.65 V to 1.95 V,
I/O: 1.1 V–3.6 V
- Package: 4-mm × 4-mm, 24-Pin RGE (VQFN)
2 Applications
- Voice-Activated Systems
- Smart Speakers, Voice-Enabled Assistants
- Portable Low-Power Audio Systems
- Noise-Cancellation Systems
- Front-End Voice or Audio Processors for Digital Audio
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