Overview
The TLV320AIC3254-Q1, also known as the AIC3254-Q1, is a highly flexible, low-power, and low-voltage stereo audio codec developed by Texas Instruments. This device is designed for automotive and other demanding applications, featuring programmable inputs and outputs, advanced PowerTune capabilities, and fully-programmable miniDSP cores. It supports a wide range of audio processing tasks, including active noise cancellation, acoustic echo cancellation, and advanced DSP filtering. The codec is available in a 5-mm × 5-mm, 32-pin QFN package and is AEC-Q100 qualified, ensuring reliability in harsh environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VQFN (RHB) | - |
| Pins | 32 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Analog Supply Voltage | 1.5V - 1.95V | V |
| Digital Supply Voltage | 1.26V - 1.95V | V |
| Digital IO Voltage | 1.1V - 3.6V | V |
| Stereo Audio DAC SNR | 100 dB | - |
| Stereo Audio ADC SNR | 93 dB | - |
| Stereo DAC Playback Power | 4.1 mW (48 ksps) | mW |
| Stereo ADC Record Power | 6.1 mW (48 ksps) | mW |
| Master Clock Frequency | Up to 50 MHz | Hz |
Key Features
- Qualified for Automotive Applications (AEC-Q100 Qualified)
- Two fully-programmable miniDSP cores for application-specific algorithms
- PowerTune technology for optimal power-performance trade-off
- Stereo Audio DAC with 100dB SNR and Stereo Audio ADC with 93dB SNR
- Six single-ended or three fully-differential analog inputs
- Stereo analog and digital microphone inputs
- Stereo headphone outputs and stereo line outputs
- Very low-noise PGA and low power analog bypass mode
- Programmable microphone bias and PLL
- Integrated LDOs for generating analog and digital supplies
- Flexible digital interfaces and extensive signal processing options
Applications
- Portable Navigation Devices (PND)
- Portable Media Players (PMP)
- Mobile Handsets
- Portable Computing Devices
- Communication Devices
- Automotive Infotainment Systems
Q & A
- What is the TLV320AIC3254-Q1?
The TLV320AIC3254-Q1 is a low-power, low-voltage stereo audio codec with programmable inputs and outputs, and advanced PowerTune and miniDSP capabilities.
- What package type is the TLV320AIC3254-Q1 available in?
The device is available in a 5-mm × 5-mm, 32-pin QFN package.
- What are the operating temperature ranges for the TLV320AIC3254-Q1?
The operating temperature range is -40°C to 85°C.
- What are the supply voltage ranges for the TLV320AIC3254-Q1?
The analog supply voltage range is 1.5V - 1.95V, and the digital supply voltage range is 1.26V - 1.95V.
- What is the PowerTune technology in the TLV320AIC3254-Q1?
PowerTune technology allows the device to be tuned for an optimum power-performance trade-off, suitable for various use cases from low-power mobile environments to higher power docked environments.
- What types of signal processing can the miniDSP cores support?
The miniDSP cores support application-specific algorithms such as active noise cancellation, acoustic echo cancellation, and advanced DSP filtering.
- What are the key audio specifications of the TLV320AIC3254-Q1?
The device features a stereo audio DAC with 100dB SNR and a stereo audio ADC with 93dB SNR.
- What are the power consumption figures for DAC and ADC operations?
The stereo DAC playback consumes 4.1 mW at 48 ksps, and the stereo ADC record consumes 6.1 mW at 48 ksps.
- What are the typical applications of the TLV320AIC3254-Q1?
Typical applications include portable navigation devices, portable media players, mobile handsets, portable computing devices, and automotive infotainment systems.
- Is the TLV320AIC3254-Q1 qualified for automotive use?
Yes, the TLV320AIC3254-Q1 is AEC-Q100 qualified, making it suitable for automotive applications.
