Dual VOIP Codec The TLV320AIC22PT is a low-power stereo audio codec manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Type:** Stereo Audio Codec
- **Interface:** I²C, SPI
- **ADC Resolution:** 16-bit, 20-bit, 24-bit
- **DAC Resolution:** 16-bit, 20-bit, 24-bit
- **Sampling Rate:** 8 kHz to 96 kHz
- **Signal-to-Noise Ratio (SNR):**
- ADC: 90 dB (A-weighted)
- DAC: 100 dB (A-weighted)
- **Power Supply:** 1.8 V to 3.6 V (analog and digital)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** TQFP-32
### **Descriptions:**
- The TLV320AIC22PT is a low-power, high-performance stereo audio codec designed for portable audio applications.
- It integrates an ADC (Analog-to-Digital Converter) and DAC (Digital-to-Analog Converter) with programmable sample rates.
- Supports multiple digital audio interfaces, including I²S, left-justified, right-justified, and DSP modes.
- Features an integrated PLL for flexible clock generation.
### **Features:**
- **Low Power Consumption:**
- ADC: 12 mW (stereo, 48 kHz, 1.8 V)
- DAC: 10 mW (stereo, 48 kHz, 1.8 V)
- **Programmable Digital Filters:** Includes high-pass filters for DC offset removal.
- **Flexible Clocking:** Supports master or slave clocking modes.
- **On-Chip Voltage Reference:** Eliminates the need for external components.
- **Software Control:** Configurable via I²C or SPI.
- **Applications:** Portable audio players, smartphones, digital recorders, and multimedia devices.
This information is sourced from Texas Instruments' official documentation.
