Overview
The TLV320AIC3254IRHBT, produced by Texas Instruments, is a flexible, low-power, low-voltage stereo audio codec. It is designed with programmable inputs and outputs, incorporating advanced PowerTune technology and fully-programmable miniDSP cores. This device is ideal for portable battery-powered audio and telephony applications, supporting a wide range of audio processing needs from 8 kHz mono voice playback to 192 kHz stereo DAC playback.
Key Specifications
| Specification | Details |
|---|---|
| Type | Audio CODEC, Stereo |
| Resolution | 32 bit |
| Conversion Rate | Up to 192 kHz |
| Interface Type | Serial (I2C, SPI) |
| Analog Supply Voltage | 1.5V – 1.95V |
| Digital Supply Voltage | 1.26V – 1.95V |
| Digital I/O Voltage | 1.1V – 3.6V |
| Package | 5 mm × 5 mm, 32-pin QFN |
| PLL Input Clock Range | 512 kHz to 50 MHz |
Key Features
- Two fully-programmable miniDSP cores supporting application-specific algorithms like active noise cancellation, acoustic echo cancellation, and advanced DSP filtering.
- Programmable inputs and outputs with PowerTune capabilities.
- Stereo analog and digital microphone inputs.
- Stereo headphone and line outputs.
- Very low-noise PGA with a gain range of 0 to +47.5 dB.
- Low power analog bypass mode.
- Programmable microphone bias and integrated LDOs.
- Digitally-controlled stereo microphone preamplifier.
- Extensive register-based control for power, IO channel configuration, gains, effects, pin-multiplexing, and clocks.
Applications
The TLV320AIC3254IRHBT is suitable for a variety of applications, including portable battery-powered audio devices, telephony, and other audio processing systems. It is particularly useful in scenarios where low power consumption and high audio quality are critical, such as in smartphones, tablets, and other handheld devices.
Q & A
- What is the primary function of the TLV320AIC3254IRHBT?
The TLV320AIC3254IRHBT is a stereo audio codec designed for low-power, low-voltage audio processing. - What are the key features of the miniDSP cores in the TLV320AIC3254IRHBT?
The miniDSP cores are fully-programmable and support application-specific algorithms such as active noise cancellation, acoustic echo cancellation, and advanced DSP filtering. - What is the range of the analog supply voltage for the TLV320AIC3254IRHBT?
The analog supply voltage range is 1.5V to 1.95V. - What types of digital interfaces does the TLV320AIC3254IRHBT support?
The device supports serial interfaces such as I2C and SPI. - What is the maximum conversion rate of the TLV320AIC3254IRHBT?
The maximum conversion rate is up to 192 kHz. - What is the purpose of the integrated LDOs in the TLV320AIC3254IRHBT?
The integrated LDOs generate the appropriate analog or digital supply from input voltages ranging from 1.8V to 3.6V. - What are the supported digital I/O voltages for the TLV320AIC3254IRHBT?
The supported digital I/O voltages range from 1.1V to 3.6V. - What is the package type and size of the TLV320AIC3254IRHBT?
The device is packaged in a 5 mm × 5 mm, 32-pin QFN package. - What is the range of the PLL input clock for the TLV320AIC3254IRHBT?
The PLL input clock range is from 512 kHz to 50 MHz. - What are some common applications for the TLV320AIC3254IRHBT?
Common applications include portable battery-powered audio devices, telephony, and other audio processing systems.
