Overview
The TLV320ADC3101IRGET, produced by Texas Instruments, is a low-power, stereo audio analog-to-digital converter (ADC) designed to support sampling rates from 8 kHz to 96 kHz. This device features an integrated programmable-gain amplifier that provides up to 40-dB analog gain or automatic gain control (AGC). It also includes a programmable miniDSP for custom audio processing, making it ideal for battery-powered portable equipment such as wireless handsets and portable audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | VQFN-24 (4x4 mm) | |
| Operating Temperature Range | -40 to 85 | °C |
| Sampling Rates | 8 kHz to 96 kHz | |
| Signal-to-Noise Ratio | 92 dBA | |
| Analog Supply Voltage | 2.6 to 3.6 | V |
| Digital Core Supply Voltage | 1.65 to 1.95 | V |
| Digital I/O Supply Voltage | 1.1 to 3.6 | V |
| Power Consumption (Mono Record, 8 kHz) | 6 mW | |
| Power Consumption (Stereo Record, 8 kHz) | 11 mW | |
| Power Consumption (Mono Record, 48 kHz) | 10 mW | |
| Power Consumption (Stereo Record, 48 kHz) | 17 mW |
Key Features
- Stereo Audio ADC with 92-dBA Signal-to-Noise Ratio
- Instruction-Programmable Embedded miniDSP for custom audio processing
- Flexible Digital Filtering with RAM Programmable Coefficients, Instructions, and Built-In Processing Blocks
- Low-Latency IIR Filters for Voice and Linear Phase FIR Filters for Audio
- Additional Programmable IIR Filters for EQ, Noise Cancellation or Reduction
- Up to 128 Programmable ADC Digital Filter Coefficients
- Six Audio Inputs With Configurable Automatic Gain Control (AGC)
- Programmable in Single-Ended or Fully Differential Configurations
- Low Power Consumption and Extensive Modular Power Control
- Dual Programmable Microphone Bias
- Programmable PLL for Clock Generation
- I2C Control Bus
- Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, PCM, and TDM Modes
- Digital Microphone Input Support
- Two GPIOs
Applications
- Wireless Handsets
- Portable Low-Power Audio Systems
- Noise-Cancellation Systems
- Front-End Voice or Audio Processor for Digital Audio
Q & A
- What is the TLV320ADC3101IRGET?
The TLV320ADC3101IRGET is a low-power, stereo audio analog-to-digital converter (ADC) produced by Texas Instruments.
- What are the supported sampling rates for the TLV320ADC3101IRGET?
The device supports sampling rates from 8 kHz to 96 kHz.
- What is the signal-to-noise ratio of the TLV320ADC3101IRGET?
The signal-to-noise ratio is 92 dBA.
- What types of digital filtering does the TLV320ADC3101IRGET support?
The device supports low-latency IIR filters for voice, linear phase FIR filters for audio, and additional programmable IIR filters for EQ, noise cancellation, or reduction.
- How many audio inputs does the TLV320ADC3101IRGET have?
The device has six audio inputs with configurable automatic gain control (AGC).
- What is the power consumption of the TLV320ADC3101IRGET in mono record mode at 8 kHz?
The power consumption is 6 mW in mono record mode at 8 kHz.
- Does the TLV320ADC3101IRGET support digital microphone input?
Yes, the device supports digital microphone input.
- What communication protocols does the TLV320ADC3101IRGET support for the audio serial data bus?
The device supports I2S, left-justified, right-justified, DSP, PCM, and TDM modes.
- What is the operating temperature range of the TLV320ADC3101IRGET?
The operating temperature range is -40°C to 85°C.
- Does the TLV320ADC3101IRGET have programmable power control?
Yes, the device has extensive modular power control via an I2C interface.
