Overview
The TLV320AIC3109-Q1, produced by Texas Instruments, is a low-power, 96kHz mono audio codec designed for automotive applications. This device is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It features a mono headphone amplifier and multiple input and output channels that can be configured in single-ended or fully differential modes. The codec is optimized for low-power consumption, making it suitable for applications where energy efficiency is crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Signal-to-Noise Ratio (DAC) | 102 dBA | |
| Signal-to-Noise Ratio (ADC) | 92 dBA | |
| Sample Rates | 8 kHz to 96 kHz | |
| Power Consumption (48 kHz DAC Playback) | 14 mW | |
| Analog Supply Voltage (AVDD, DRVDD) | 2.7 V to 3.6 V | |
| Digital Core Supply Voltage (DVDD) | 1.525 V to 1.95 V | |
| Digital I/O Supply Voltage (IOVDD) | 1.1 V to 3.6 V | |
| Operating Temperature | –40°C to +105°C | |
| Package Options | VQFN-32 (Non-Wettable and Wettable-Flank) |
Key Features
- Programmable Gain Amplifier (PGA) and digital gain for DAC playback
- Automatic Gain Control (AGC) for record path
- Programmable microphone bias and microphone preamplifier
- Programmable PLL for flexible clock generation
- I2C control bus
- Support for various audio data formats: I2S, Left- and Right-Justified, DSP, and TDM
- Ultra-low power mode with passive analog bypass
- Integrated digital signal processing and noise filtering
- Four audio input pins with up to two differential and two single-ended inputs
- Six audio output drivers including headphone and line outputs
Applications
- Emergency Call (eCall) Systems
- Telematics Control Unit (TCU)
- Automotive Head Units
Q & A
- What is the TLV320AIC3109-Q1 device?
The TLV320AIC3109-Q1 is a low-power, 96kHz mono audio codec designed for automotive applications.
- What are the key features of the TLV320AIC3109-Q1?
Key features include programmable gain amplifiers, automatic gain control, programmable microphone bias, and support for various audio data formats.
- What are the power supply requirements for the TLV320AIC3109-Q1?
The device requires analog supply voltages from 2.7 V to 3.6 V, digital core supply voltages from 1.525 V to 1.95 V, and digital I/O supply voltages from 1.1 V to 3.6 V.
- What is the operating temperature range of the TLV320AIC3109-Q1?
The device operates within a temperature range of –40°C to +105°C.
- What types of audio inputs and outputs does the TLV320AIC3109-Q1 support?
The device supports up to two differential and two single-ended audio inputs and has six audio output drivers, including headphone and line outputs.
- Is the TLV320AIC3109-Q1 qualified for automotive applications?
Yes, the device is AEC-Q100 qualified, making it suitable for automotive use.
- What are some common applications of the TLV320AIC3109-Q1?
Common applications include emergency call (eCall) systems, telematics control units (TCU), and automotive head units.
- How does the TLV320AIC3109-Q1 manage power consumption?
The device includes extensive register-based power control, allowing for low power consumption, such as 14 mW during 48 kHz DAC playback.
- What package options are available for the TLV320AIC3109-Q1?
The device is available in two VQFN-32 package options: non-wettable and wettable-flank.
- Does the TLV320AIC3109-Q1 support digital signal processing?
Yes, the device includes integrated digital signal processing and noise filtering capabilities.
- How can I control and configure the TLV320AIC3109-Q1?
The device can be controlled and configured via an I2C control bus.
