Overview
The TLV320AIC3104IRHBR is a low-power stereo audio codec designed by Texas Instruments. This device is optimized for portable battery-powered audio and telephony applications, offering a balance of high audio quality and low power consumption. It features a stereo headphone amplifier and multiple programmable inputs and outputs that can be configured in single-ended or fully differential modes. The codec includes extensive register-based power control, enabling efficient power management and making it ideal for devices that require long battery life.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Analog Supply Voltage | 2.7 V to 3.6 V | V |
| Digital Core Supply Voltage | 1.525 V to 1.95 V | V |
| Digital I/O Supply Voltage | 1.1 V to 3.6 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 32-pin VQFN (5-mm × 5-mm) | |
| ADC Resolution | 16-, 20-, 24-, or 32-bit | |
| DAC Resolution | 16-, 20-, 24-, or 32-bit | |
| Sample Rates | 8 kHz to 96 kHz | kHz |
| Signal-to-Noise Ratio (ADC) | 92 dBA | dBA |
| Signal-to-Noise Ratio (DAC) | 102 dBA | dBA |
| Power Consumption (48 kHz playback) | 14 mW (from 3.3-V analog supply) | mW |
Key Features
- Stereo audio DAC with 102-dBA signal-to-noise ratio, supporting 16-, 20-, 24-, or 32-bit data and sample rates from 8 kHz to 96 kHz.
- Stereo audio ADC with 92-dBA signal-to-noise ratio, supporting sample rates from 8 kHz to 96 kHz and digital signal processing and noise filtering.
- Six audio input pins, including one stereo pair of single-ended inputs and one stereo pair of fully differential inputs.
- Six audio output drivers, including stereo fully differential or single-ended headphone drivers and fully differential stereo line outputs.
- Ultra-low-power mode with passive analog bypass and extensive modular power control.
- Programmable I/O analog gains, automatic gain control (AGC) for record, and programmable microphone bias level.
- Programmable PLL for flexible clock generation and support for I2C control bus and audio serial data bus in I2S, left- and right-justified, DSP, and TDM modes.
- 3D, bass, treble, EQ, or de-emphasis effects available.
Applications
- Headsets
- IP network cameras
- IP telephones
- Wireless speakers
- Portable battery-powered audio devices
- Telephony applications
Q & A
- What is the primary function of the TLV320AIC3104IRHBR?
The TLV320AIC3104IRHBR is a low-power stereo audio codec designed for portable battery-powered audio and telephony applications.
- What are the supported sample rates for the ADC and DAC?
The ADC and DAC support sample rates from 8 kHz to 96 kHz.
- What is the power consumption during 48 kHz playback?
The power consumption during 48 kHz playback is as low as 14 mW from a 3.3-V analog supply.
- What types of audio interfaces does the TLV320AIC3104IRHBR support?
The device supports I2S, left- and right-justified, DSP, and TDM audio serial data bus modes.
- What are the key features of the record path in the TLV320AIC3104IRHBR?
The record path includes integrated microphone bias, digitally controlled stereo microphone preamplifier, automatic gain control (AGC), and programmable filters to remove audible noise.
- What are the operating temperature and voltage ranges for the TLV320AIC3104IRHBR?
The operating temperature range is -40°C to 85°C, and the voltage ranges are 2.7 V to 3.6 V for analog supply, 1.525 V to 1.95 V for digital core supply, and 1.1 V to 3.6 V for digital I/O supply.
- What types of audio outputs are supported by the TLV320AIC3104IRHBR?
The device supports stereo fully differential or single-ended headphone drivers and fully differential stereo line outputs.
- Does the TLV320AIC3104IRHBR support any power-saving modes?
Yes, it supports ultra-low-power mode with passive analog bypass and extensive modular power control.
- What is the package type and size of the TLV320AIC3104IRHBR?
The package type is a 32-pin VQFN with dimensions of 5-mm × 5-mm.
- Are there any additional audio processing features available in the TLV320AIC3104IRHBR?
Yes, the device supports 3D, bass, treble, EQ, or de-emphasis effects.
