Overview
The TLV320AIC3101IRHBT, produced by Texas Instruments, is a low-power stereo audio codec designed for portable audio and telephony applications. This device integrates a stereo audio DAC and ADC, along with a stereo headphone amplifier and multiple programmable inputs and outputs. It is particularly suited for battery-powered devices due to its low power consumption and flexible power control features.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Analog Supply Voltage (AVDD) | 2.7 - 3.6 | V |
| Digital Core Supply Voltage (DVDD) | 1.525 - 1.95 | V |
| Digital I/O Supply Voltage (IOVDD) | 1.1 - 3.6 | V |
| Sample Rates | 8 kHz to 96 kHz | |
| Signal-to-Noise Ratio (SNR) - DAC | 102 dBA | |
| Signal-to-Noise Ratio (SNR) - ADC | 92 dBA | |
| Package Type | 5-mm × 5-mm 32-Pin QFN | |
| Power Consumption (Stereo 48-kHz Playback) | 14 mW (from 3.3-V analog supply) | |
| Audio Serial Data Bus Modes | I2S, Left/Right-Justified, DSP, TDM | |
| Control Bus | I2C |
Key Features
- Extensive modular power control with flexible power saving modes.
- Stereo audio DAC and ADC with programmable digital filtering for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis.
- Multiple programmable inputs and outputs, including single-ended and fully differential configurations.
- Integrated microphone bias, digitally controlled microphone preamplifier, and automatic gain control (AGC) with a wide range of attack and decay times.
- Programmable PLL for flexible clock generation supporting various system clocks.
- Ultralow-power mode with passive analog signal passthrough for significant power reduction.
- Stereo 8-Ω, 500-mW/Channel speaker drive capability.
- Support for I2C control bus and programmable audio serial data bus modes.
Applications
- Portable audio devices such as MP3 players and digital audio players.
- Smart cellular phones and other mobile telephony devices.
- Digital cameras requiring high-quality audio recording and playback.
- Other battery-powered audio and telephony applications where low power consumption is critical.
Q & A
- What is the TLV320AIC3101IRHBT used for?
The TLV320AIC3101IRHBT is a low-power stereo audio codec used in portable audio and telephony applications.
- What are the power supply voltage ranges for the TLV320AIC3101IRHBT?
The device operates with an analog supply voltage of 2.7 V to 3.6 V, a digital core supply voltage of 1.525 V to 1.95 V, and a digital I/O supply voltage of 1.1 V to 3.6 V.
- What are the supported sample rates for the TLV320AIC3101IRHBT?
The device supports sample rates from 8 kHz to 96 kHz.
- What is the signal-to-noise ratio (SNR) of the TLV320AIC3101IRHBT?
The SNR for the DAC is 102 dBA, and for the ADC, it is 92 dBA.
- What types of audio serial data bus modes are supported by the TLV320AIC3101IRHBT?
The device supports I2S, Left/Right-Justified, DSP, and TDM modes.
- What is the package type of the TLV320AIC3101IRHBT?
The device is available in a 5-mm × 5-mm 32-Pin QFN package.
- How much power does the TLV320AIC3101IRHBT consume during stereo 48-kHz playback?
The device consumes approximately 14 mW from a 3.3-V analog supply during stereo 48-kHz playback.
- What control bus does the TLV320AIC3101IRHBT use?
The device uses the I2C control bus.
- What are some of the key features of the TLV320AIC3101IRHBT's audio processing capabilities?
The device includes programmable digital filtering, 3D/bass/treble/midrange effects, speaker equalization, and de-emphasis. It also features automatic gain control (AGC) and programmable microphone bias.
- In what types of applications is the TLV320AIC3101IRHBT commonly used?
The device is commonly used in portable audio devices, smart cellular phones, digital cameras, and other battery-powered audio and telephony applications.
