Overview
The TLV320AIC3105IRHBT is a low-power stereo audio codec designed by Texas Instruments. It features multiple single-ended inputs and a stereo headphone amplifier, making it ideal for portable battery-powered audio and telephony applications. The device offers extensive register-based power control, enabling low power consumption, such as 14 mW for stereo 48-kHz DAC playback from a 3.3-V analog supply. The output stages are programmable in single-ended or fully differential configurations, enhancing flexibility in various audio applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 32-Pin VQFN (RHB) |
| Operating Temperature Range | -40°C to 85°C |
| 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 |
| Audio DAC Sampling Rates | 8 kHz to 96 kHz |
| Audio ADC Sampling Rates | 8 kHz to 96 kHz |
| Signal-to-Noise Ratio (DAC) | 102 dBA |
| Signal-to-Noise Ratio (ADC) | 92 dBA |
| Data Bit Depth | 16/20/24/32 bits |
| Power Consumption (Stereo 48-kHz Playback) | 14 mW with 3.3-V analog supply |
Key Features
- Stereo Audio DAC with 102-dBA Signal-to-Noise Ratio and support for 16/20/24/32-bit data
- Stereo Audio ADC with 92-dBA Signal-to-Noise Ratio and digital signal processing and noise filtering during record
- Six audio input pins and six stereo single-ended inputs
- Six audio output drivers, including stereo fully differential or single-ended headphone drivers and fully differential stereo line outputs
- Programmable input/output analog gains and automatic gain control (AGC) for record
- Programmable microphone bias level and programmable PLL for flexible clock generation
- I2C control bus and audio serial data bus supporting I2S, left/right-justified, DSP, and TDM modes
- Extensive modular power control and ultralow-power mode with passive analog bypass
- Support for 3D, bass, treble, EQ, and de-emphasis effects in the DAC path
Applications
- Portable battery-powered audio devices
- Telephony applications
- Digital cameras
- Smart cellular phones
Q & A
- What is the typical power consumption of the TLV320AIC3105 during stereo 48-kHz playback?
The typical power consumption is 14 mW with a 3.3-V analog supply.
- What are the supported sampling rates for the audio DAC and ADC?
Both the audio DAC and ADC support sampling rates from 8 kHz to 96 kHz.
- What is the signal-to-noise ratio (SNR) of the audio DAC and ADC?
The SNR for the DAC is 102 dBA, and for the ADC, it is 92 dBA.
- What types of audio data bus modes are supported by the TLV320AIC3105?
The device supports I2S, left/right-justified, DSP, and TDM modes.
- Can the TLV320AIC3105 be used in low-power applications?
- What is the operating temperature range of the TLV320AIC3105?
The operating temperature range is -40°C to 85°C.
- What types of output configurations are supported by the TLV320AIC3105?
The device supports single-ended or fully differential output configurations, including up to four channels of single-ended 16-Ω headphones or stereo 16-Ω headphones in a capacitorless output configuration.
- Does the TLV320AIC3105 have integrated microphone bias and AGC?
- What is the package type and size of the TLV320AIC3105?
The device is available in a 5-mm × 5-mm 32-pin VQFN package.
- Can the TLV320AIC3105 be used in digital cameras?
