Overview
The TLV320AIC31IRHBT is a low-power stereo audio codec produced by Texas Instruments, designed for portable audio and telephony applications. This integrated circuit (IC) features a high-performance audio interface with 24-bit resolution, supporting multiple inputs and outputs. It is housed in a compact 32-VQFN package, making it suitable for space-constrained designs. The TLV320AIC31IRHBT targets consumer electronics, industrial automation, and automotive applications, offering a balance of power efficiency and audio quality.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Type | Stereo Audio | - | - |
| Data Interface | PCM | - | - |
| Resolution | 24 | bit | - |
| ADC/DAC Count | 2 / 2 | - | - |
| Sigma-Delta | Yes | - | - |
| SNR (ADC/DAC) | 92 / 100 | dB | Typical |
| Dynamic Range (ADC/DAC) | 92 / 100 | dB | Typical |
| Analog Supply Voltage | 2.7 - 3.6 | V | - |
| Digital Supply Voltage | 1.65 - 1.95 | V | - |
| Operating Temperature | -40 to 85 | °C | - |
| Package | 32-VQFN | - | 5x5 mm |
Key Features
- Low-power stereo audio codec for portable applications.
- Integrated headphone and speaker amplifiers.
- Supports 24-bit resolution for high-fidelity audio.
- Wide dynamic range and high SNR for clear audio output.
- Flexible power supply options for energy-efficient designs.
Applications
The TLV320AIC31IRHBT is widely used in portable audio devices, telephony systems, and consumer electronics. Its compact size and low power consumption make it ideal for smartphones, tablets, and wireless headsets. Additionally, it is suitable for industrial applications such as voice-controlled systems and automotive infotainment systems, where reliable audio performance is critical.
Q & A
1. What is the resolution of the TLV320AIC31IRHBT?
The TLV320AIC31IRHBT supports 24-bit resolution.
2. What is the operating temperature range?
It operates within a temperature range of -40°C to 85°C.
3. Does it support stereo audio?
Yes, it is a stereo audio codec.
4. What is the typical SNR for the DAC?
The typical SNR for the DAC is 100 dB.
5. What is the package type?
It comes in a 32-VQFN package.
6. What are the supply voltage requirements?
The analog supply voltage is 2.7V to 3.6V, and the digital supply voltage is 1.65V to 1.95V.
7. Is it suitable for portable devices?
Yes, its low power consumption makes it ideal for portable applications.
8. Does it include integrated amplifiers?
Yes, it features integrated headphone and speaker amplifiers.
9. What is the dynamic range of the ADC?
The dynamic range of the ADC is typically 92 dB.
10. Can it be used in automotive applications?
Yes, it is suitable for automotive infotainment systems.
