Overview
The TLV320AIC3104IRHBT is a low-power stereo audio codec manufactured by Texas Instruments. This device is designed with a stereo headphone amplifier and multiple inputs and outputs that can be configured in single-ended or fully differential modes. It features extensive register-based power control, enabling low power consumption, such as 14-mW stereo 48-kHz DAC playback from a 3.3-V analog supply. This makes it ideal for portable battery-powered audio and telephony applications. The codec includes integrated microphone bias, digitally controlled stereo microphone preamplifier, and automatic gain control (AGC), along with programmable filters to remove audible noise during recording.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | 32-pin VQFN with exposed thermal pad | 5-mm × 5-mm |
| Operating Temperature Range | °C | -40 to 85 |
| Analog Supply Voltage | V | 2.7 to 3.6 |
| Digital Core Supply Voltage | V | 1.525 to 1.95 |
| Digital I/O Supply Voltage | V | 1.1 to 3.6 |
| Stereo Audio DAC Signal-to-Noise Ratio | dBA | 102 |
| Stereo Audio ADC Signal-to-Noise Ratio | dBA | 92 |
| Sample Rates | kHz | 8 to 96 |
| Power Consumption (Stereo 48-kHz Playback) | mW | 14 (with 3.3-V analog supply) |
| Audio Serial Data Bus Modes | I2S, left- and right-justified, DSP, TDM |
Key Features
- Stereo Audio DAC: Supports 16-, 20-, 24-, or 32-bit data with a 102-dBA signal-to-noise ratio and sample rates from 8 kHz to 96 kHz.
- Stereo Audio ADC: Features a 92-dBA signal-to-noise ratio, supports sample rates from 8 kHz to 96 kHz, and includes digital signal processing and noise filtering.
- Multiple Inputs and Outputs: Six audio input pins (one stereo pair of single-ended inputs and one stereo pair of fully differential inputs) and six audio output drivers (stereo fully differential or single-ended headphone drivers and fully differential stereo line outputs).
- Low Power Consumption: Ultra-low-power mode with passive analog bypass and extensive modular power control.
- Programmable I/O Analog Gains: Allows for adjustable analog gains.
- Automatic Gain Control (AGC): For record path to adjust microphone gain.
- Programmable Microphone Bias Level: Adjustable bias level for microphones.
- Programmable PLL: For flexible clock generation supporting various MCLK frequencies.
- I2C Control Bus and Audio Serial Data Bus: Supports I2S, left- and right-justified, DSP, and TDM modes.
Applications
- Portable Audio Devices: Ideal for battery-powered audio devices such as headsets, wireless speakers, and IP network cameras.
- Telephony Applications: Suitable for IP telephones and other telephony equipment.
- Automotive Systems: Used in car audio systems, cluster units, head units, emergency call (E-Call) systems, and telematics control units.
Q & A
- What is the TLV320AIC3104IRHBT?
The TLV320AIC3104IRHBT is a low-power stereo audio codec with a stereo headphone amplifier and multiple programmable inputs and outputs, manufactured by Texas Instruments.
- What are the key features of the TLV320AIC3104IRHBT?
Key features include a stereo audio DAC and ADC, multiple inputs and outputs, low power consumption, programmable I/O analog gains, automatic gain control, and programmable PLL for flexible clock generation.
- What are the supported sample rates for the TLV320AIC3104IRHBT?
The device supports sample rates from 8 kHz to 96 kHz for both DAC and ADC.
- What is the power consumption of the TLV320AIC3104IRHBT during stereo 48-kHz playback?
The power consumption is as low as 14 mW from a 3.3-V analog supply.
- What types of audio serial data bus modes does the TLV320AIC3104IRHBT support?
The device supports I2S, left- and right-justified, DSP, and TDM modes.
- What are the typical applications of the TLV320AIC3104IRHBT?
Typical applications include portable audio devices, telephony equipment, and automotive systems such as car audio and telematics control units.
- What is the operating temperature range of the TLV320AIC3104IRHBT?
The operating temperature range is from -40°C to 85°C.
- What are the supply voltage ranges for the TLV320AIC3104IRHBT?
The analog supply voltage range is 2.7 V to 3.6 V, the digital core supply voltage range is 1.525 V to 1.95 V, and the digital I/O supply voltage range is 1.1 V to 3.6 V.
- Does the TLV320AIC3104IRHBT support programmable microphone bias?
Yes, the device supports programmable microphone bias levels.
- How does the TLV320AIC3104IRHBT manage power consumption?
The device features extensive modular power control and an ultra-low-power mode with passive analog bypass to manage power consumption efficiently.
