Overview
The TLV320AIC3105IRHBR, produced by Texas Instruments, is a low-power stereo audio codec designed for portable audio and telephony applications. This integrated circuit offers a comprehensive set of features that make it ideal for use in devices such as digital cameras, smart cellular phones, and other battery-powered audio equipment. The TLV320AIC3105IRHBR combines high-quality audio conversion with extensive power management and programmable audio processing capabilities, ensuring efficient and high-performance audio processing.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Signal-to-Noise Ratio (SNR) - ADC | A-weighted, 48 ksps, 0 dB PGA gain | 92 dB |
| Signal-to-Noise Ratio (SNR) - DAC | A-weighted, 48 ksps | 102 dB |
| Sampling Rates | ADC and DAC | 8 kHz to 96 kHz |
| Data Bit Depth | ADC and DAC | 16/20/24/32 bits |
| Analog Supply Voltage | 2.7 V to 3.6 V | |
| Digital Core Supply Voltage | 1.525 V to 1.95 V | |
| Digital I/O Supply Voltage | 1.1 V to 3.6 V | |
| Package Type | 32-Pin VQFN, 5 mm x 5 mm | |
| Operating Temperature | -40°C to 85°C |
Key Features
- Stereo audio ADC and DAC with programmable gain amplifiers and automatic gain control (AGC)
- Integrated microphone bias, digitally controlled microphone preamplifier, and mix/mux capability among multiple analog inputs
- Programmable digital filtering for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis
- Headphone amplifier with single-ended or fully differential output configurations
- High-power output drivers capable of driving up to four channels of single-ended 16-Ω headphones or stereo 16-Ω headphones in a capacitorless configuration
- Extensive modular power control with ultralow-power mode and passive analog bypass
- I2C control bus and programmable audio serial data bus supporting I2S, left/right-justified, DSP, and TDM modes
- Highly programmable PLL for flexible clock generation
Applications
- Digital cameras
- Smart cellular phones
- Portable audio devices
- Telephony equipment
- Other battery-powered audio applications
Q & A
- What is the primary function of the TLV320AIC3105IRHBR?
The TLV320AIC3105IRHBR is a low-power stereo audio codec designed for portable audio and telephony applications. - What are the supported sampling rates for the ADC and DAC?
The ADC and DAC support sampling rates from 8 kHz to 96 kHz. - What is the signal-to-noise ratio (SNR) of the ADC and DAC?
The SNR for the ADC is 92 dB, and for the DAC, it is 102 dB. - What are the power supply voltage ranges for the TLV320AIC3105IRHBR?
The analog supply voltage range is 2.7 V to 3.6 V, the digital core supply voltage range is 1.525 V to 1.95 V, and the digital I/O supply voltage range is 1.1 V to 3.6 V. - What types of audio serial data bus modes are supported?
The TLV320AIC3105IRHBR supports I2S, left/right-justified, DSP, and TDM modes. - What is the package type and size of the TLV320AIC3105IRHBR?
The device is packaged in a 32-Pin VQFN with dimensions of 5 mm x 5 mm. - What are the operating temperature ranges for the TLV320AIC3105IRHBR?
The operating temperature range is -40°C to 85°C. - Does the TLV320AIC3105IRHBR have built-in microphone bias and preamplifier?
Yes, it includes integrated microphone bias and a digitally controlled microphone preamplifier. - Can the TLV320AIC3105IRHBR drive headphones directly?
Yes, it has high-power output drivers capable of driving up to four channels of single-ended 16-Ω headphones or stereo 16-Ω headphones in a capacitorless configuration. - What kind of power management features does the TLV320AIC3105IRHBR offer?
The device features extensive modular power control, including ultralow-power mode and passive analog bypass.
