Dual VOIP Codec The TLV320AIC22PTR is a low-power stereo audio codec manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Interface:** I²C or SPI (programmable)
- **Resolution:** 16/20/24/32-bit
- **Sampling Rate:** 8 kHz to 96 kHz
- **Signal-to-Noise Ratio (SNR):** 90 dB (DAC), 92 dB (ADC)
- **THD+N:** -85 dB (DAC), -80 dB (ADC)
- **Power Supply:** 1.42 V to 3.6 V (analog), 1.1 V to 3.6 V (digital)
- **Power Consumption:**
- 14 mW (ADC + DAC, 48 kHz, 1.8 V)
- <1 µA (standby mode)
- **Package:** 32-pin TQFP (PTR suffix)
### **Descriptions:**
The TLV320AIC22PTR is a high-performance, low-power stereo audio codec designed for portable and battery-powered applications. It integrates an ADC and DAC with flexible digital interfaces, supporting multiple sampling rates and bit depths.
### **Features:**
- **Stereo Audio ADC & DAC**
- **Programmable Input/Output Gains**
- **On-Chip PLL for Clock Generation**
- **Low-Power Modes (Standby, Power-Down)**
- **Software-Controlled Volume & Muting**
- **Supports Multiple Data Formats (I²S, DSP, Right-Justified, Left-Justified)**
- **Integrated Headphone Amplifier**
- **Pop & Click Suppression Circuitry**
This information is sourced from the official Texas Instruments datasheet for the TLV320AIC22PTR.
