Overview
The TLV320AIC31IRHBRG4, produced by Texas Instruments, is a low-power stereo audio codec designed for portable and battery-powered audio and telephony applications. This device features a stereo headphone amplifier and multiple programmable inputs and outputs, making it versatile for various audio configurations. It operates with low power consumption, making it ideal for devices that require efficient energy use.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 32-pin VQFN (RHB) |
| Operating Temperature Range | -40°C to 85°C |
| Analog Supply Voltage | 2.7 V to 3.6 V |
| Digital Core Supply Voltage | 1.65 V to 1.95 V |
| Digital I/O Supply Voltage | 1.1 V to 3.6 V |
| ADC Signal-to-Noise Ratio (A-Weighted) | 92 dB |
| DAC Signal-to-Noise Ratio (A-Weighted) | 100 dB |
| Sampling Rates | 8 kHz to 96 kHz |
| Power Consumption (Stereo 48 kHz Playback) | 14 mW with 3.3-V analog supply |
Key Features
- Stereo Audio DAC with 100-dB (A-Weighted) Signal-to-Noise Ratio, supporting 16-, 20-, 24-, and 32-bit data.
- Stereo Audio ADC with 92-dB (A-Weighted) Signal-to-Noise Ratio, supporting rates from 8 kHz to 96 kHz.
- Six audio input pins with two stereo differential/single-ended inputs.
- Six audio output drivers including stereo 8-Ω, 500-mW/channel speaker drive capability and fully differential or single-ended headphone drivers.
- Programmable input/output analog gains and automatic gain control (AGC) for recording.
- Programmable microphone bias level and PLL for flexible clock generation.
- I2C control bus and audio serial data bus supporting I2S, left-/right-justified, DSP, and TDM modes.
- Extensive modular power control with ultra-low-power mode and passive analog bypass.
Applications
- Portable audio devices
- Telephony applications
- Headsets
- IP network cameras
- IP telephones
- Wireless speakers
Q & A
- What is the TLV320AIC31IRHBRG4 used for? The TLV320AIC31IRHBRG4 is used in portable and battery-powered audio and telephony applications.
- What are the key features of the TLV320AIC31IRHBRG4? Key features include a stereo audio DAC and ADC, multiple programmable inputs and outputs, low power consumption, and extensive signal processing options.
- What is the operating temperature range of the TLV320AIC31IRHBRG4? The operating temperature range is -40°C to 85°C.
- What are the power supply voltage ranges for the TLV320AIC31IRHBRG4? The analog supply voltage range is 2.7 V to 3.6 V, the digital core supply voltage range is 1.65 V to 1.95 V, and the digital I/O supply voltage range is 1.1 V to 3.6 V.
- What are the supported sampling rates for the TLV320AIC31IRHBRG4? The device supports sampling rates from 8 kHz to 96 kHz.
- How much power does the TLV320AIC31IRHBRG4 consume during stereo 48 kHz playback? It consumes as low as 14 mW from a 3.3-V analog supply.
- What types of audio interfaces does the TLV320AIC31IRHBRG4 support? It supports I2S, left-/right-justified, DSP, and TDM modes.
- Does the TLV320AIC31IRHBRG4 have automatic gain control (AGC)? Yes, it includes AGC for recording.
- What is the package type of the TLV320AIC31IRHBRG4? It is available in a 5-mm × 5-mm, 32-pin VQFN package.
- What are some common applications of the TLV320AIC31IRHBRG4? Common applications include headsets, IP network cameras, IP telephones, and wireless speakers.
