Overview
The TLV320AIC3212, a representative model of the TLV320AIC series from Texas Instruments, is a highly-integrated, low-power, low-voltage stereo audio codec. This device is designed to offer flexibility and advanced audio processing capabilities, making it ideal for a variety of portable and battery-powered audio applications.
With its extensive register-based control, the TLV320AIC3212 allows for precise configuration of power, input and output channels, gains, effects, pin-multiplexing, and clocks. This level of control enables the device to be tailored to specific application requirements.
Key Specifications
| Parameter | Description |
|---|---|
| Number of ADC Channels | 2 |
| Number of DAC Channels | 2 |
| Analog Inputs | 8 (single-ended or differential) |
| Analog Outputs | 7 |
| Sampling Rate (Max) | 192 kHz |
| Digital Audio Interface | I2S, DSP/TDM, RJF, LJF, mono PCM |
| Package | 81-Ball WCSP (YZF), 4.81 mm × 4.81 mm × 0.625 mm |
| ADC Resolution | 12-bit SAR ADC |
| DAC SNR | 101 dB |
| ADC SNR | 93 dB |
Key Features
- Digital microphone inputs and programmable outputs
- PowerTune capabilities for adjustable power vs. SNR
- Selectable and parameterizable audio-processing blocks
- Integrated PLL and low-frequency clock multiplier
- Three independent digital audio serial interfaces (I2S, DSP/TDM, RJF, LJF, mono PCM)
- Digitally-controlled stereo microphone preamplifier and integrated microphone bias
- Programmable 12-bit SAR ADC for system voltage and temperature measurements
- Stereo Class-D speaker drivers and DirectPath™ headphone driver
- Low power analog bypass mode and extensive signal processing options
Applications
- Mobile handsets
- Tablets and eBooks
- Portable navigation devices (PND)
- Portable media players (PMP)
- Portable gaming systems
- Portable computing devices
Q & A
- What is the maximum sampling rate of the TLV320AIC3212?
The maximum sampling rate is 192 kHz.
- What types of digital audio interfaces does the TLV320AIC3212 support?
The device supports I2S, DSP/TDM, RJF, LJF, and mono PCM formats.
- What is the resolution of the ADC in the TLV320AIC3212?
The ADC resolution is 12-bit SAR ADC.
- Does the TLV320AIC3212 have integrated microphone bias and preamplifier?
- What is the package type and size of the TLV320AIC3212?
The device is available in an 81-Ball WCSP (YZF) package, measuring 4.81 mm × 4.81 mm × 0.625 mm.
- What are some of the key applications for the TLV320AIC3212?
Key applications include mobile handsets, tablets, portable navigation devices, portable media players, and portable gaming systems.
- Does the TLV320AIC3212 support system voltage and temperature measurements?
- What is PowerTune technology in the TLV320AIC3212?
PowerTune technology allows for adjustable power vs. SNR, enabling efficient power management.
- Does the TLV320AIC3212 have Class-D speaker drivers and a headphone driver?
- What is the significance of the integrated PLL in the TLV320AIC3212?
The integrated PLL is highly programmable and can accept input clocks in the range of 512 kHz to 50 MHz, with an additional low-frequency clock multiplier for lower frequencies.
