TLV320A3204IRHBRG4

Codecs Overview

The TLV320AIC3204IRHBRG4 is a stereo audio codec manufactured by Texas Instruments, featuring 2 ADCs and 2 DACs with 32-bit resolution. It supports sampling rates up to 192 kHz via I2C or SPI interfaces. The device operates on analog supply voltages of 1.5 V to 1.95 V and digital supply voltages of 1.26 V to 1.95 V. It achieves an SNR of 93 dB for the ADC and 100 dB for the DAC, with THD+N of -85 dB (ADC) and -83 dB (DAC). Operating temperatures range from -40°C to +85°C in a 32-VQFN package.

Codecs Feature Summary

• Ultra-low power consumption optimized for battery-operated portable devices
• Integrated programmable gain amplifiers and microphone bias supplies
• Supports multiple digital audio interface formats including I2S and left/right justified

Codecs Applications

• Wireless earbuds and headphones
• Portable voice recorders
• Handheld communication devices

Codecs Procurement Notes

Verify the suffix 'RG4' against official manufacturer documentation to confirm it denotes lead-free compliance or specific tape-and-reel packaging variations. Ensure the component matches the standard TLV320AIC3204 specifications regarding pinout and electrical characteristics before procurement.

Codecs Selection Notes

Select this component when designing systems requiring high-fidelity stereo audio conversion within strict power budgets. Verify that the host processor supports the required serial control protocols and that the available voltage rails align with the specified 1.5 V to 1.95 V analog supply range.

Codecs Part Context

This part belongs to the TLV320AIC3204 series of ultra-low-power stereo audio codecs. It is designed to replace older generation codecs while offering improved dynamic range and lower current consumption. The device integrates essential audio front-end components to minimize external bill of materials.

Codecs Replacement Considerations

The TLV320AIC3254 is a documented alternative that includes miniDSP capabilities. Substitution requires verification of software configuration compatibility and potential hardware adjustments if advanced digital signal processing features are not utilized.

Codecs FAQ

What is the maximum sampling rate supported by this codec?

The TLV320AIC3204 supports sampling rates up to 192 kHz.

Does this device include internal microphone bias supplies?

Yes, the codec integrates programmable microphone bias supplies to reduce external component count.

What is the typical SNR performance for the DAC section?

The typical Signal-to-Noise Ratio (SNR) for the DAC is 100 dB.