LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY The TLV320AIC32IRHBRG4 is a low-power stereo audio codec manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TLV320AIC32IRHBRG4
- **Package:** 32-VQFN (5x5 mm)
- **Operating Temperature Range:** -40°C to +85°C
- **Supply Voltage Range:** 1.8V to 3.6V (analog and digital)
- **ADC Resolution:** 24-bit
- **DAC Resolution:** 24-bit
- **Sampling Rate:**
- ADC: 8 kHz to 96 kHz
- DAC: 8 kHz to 192 kHz
- **Signal-to-Noise Ratio (SNR):**
- ADC: 93 dB (A-weighted)
- DAC: 100 dB (A-weighted)
- **Interface:** I2C, SPI
- **Power Consumption:**
- ADC: 5.5 mW (48 kHz, 1.8V)
- DAC: 4.5 mW (48 kHz, 1.8V)
### **Descriptions:**
- The TLV320AIC32IRHBRG4 is a low-power, high-performance stereo audio codec designed for portable audio applications.
- It integrates a stereo ADC, stereo DAC, and programmable digital signal processing (DSP) for audio enhancement.
- Supports multiple input/output configurations, including differential and single-ended inputs.
### **Features:**
- **Low Power Consumption:** Optimized for battery-powered devices.
- **Programmable DSP:** Includes features like 3D sound enhancement, bass/treble control, and noise suppression.
- **Flexible Clocking:** Supports multiple clock sources, including internal PLL.
- **Integrated Headphone Amplifier:** Drives 16Ω or 32Ω headphones directly.
- **Microphone Inputs:** Supports differential and single-ended microphone inputs with programmable gain.
- **Automatic Level Control (ALC):** For microphone and line inputs.
- **Pop & Click Reduction:** Minimizes audible artifacts during power transitions.
This information is sourced from the official Texas Instruments datasheet for the TLV320AIC32IRHBRG4.
