TLV320AIC3105IRHBT Integrated Circuits (ICs)

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1. Description

The TLV320AIC3105IRHBT is a low-power stereo audio codec with multiple single-ended inputs and a stereo headphone amplifier. The output stages are programmable in single-ended or fully differential configurations. Extensive register-based power control is included, enabling stereo 48-kHz DAC playback as low as 14 mW from a 3.3-V analog supply, making it ideal for portable battery-powered audio and telephony applications. The record path of the TLV320AIC3105IRHBT contains integrated microphone bias, digitally controlled stereo microphone preamplifier, and automatic gain control (AGC), with mix/mux capability among the multiple analog inputs. Programmable filters are available during record which can remove audible noise that can occur during optical zooming in digital cameras. The playback path includes mix/mux capability from the stereo DAC and selected inputs, through programmable volume controls, to the various outputs.

2. Features

    1. Stereo Audio DAC

        – 102-dBA Signal-to-Noise Ratio

        – 16/20/24/32-Bit Data

        – Supports Rates From 8 kHz to 96 kHz

        – 3D/Bass/Treble/EQ/De-Emphasis Effects

        – Flexible Power Saving Modes and Performance are Available

    2. Stereo Audio ADC

        – 92-dBA Signal-to-Noise Ratio

        – Supports Rates From 8 kHz to 96 kHz

        – Digital Signal Processing and Noise Filtering Available During Record

    3. Six Audio Input Pins

        – Six Stereo Single-Ended Inputs

    4. Six Audio Output Drivers

        – Stereo Fully Differential or Single-Ended Headphone Drivers

        – Fully Differential Stereo Line Outputs

    5. Low Power: 14-mW Stereo 48-kHz Playback With 3.3-V Analog Supply

    6. Ultralow-Power Mode with Passive Analog Bypass

    7. Programmable Input/Output Analog Gains

    8. Automatic Gain Control (AGC) for Record

    9. Programmable Microphone Bias Level

  10. Programmable PLL for Flexible Clock Generation 

  11. I2C Control Bus

  12. Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, and TDM Modes

  13. Extensive Modular Power Control

  14. Power Supplies:

        – Analog: 2.7 V–3.6 V.

        – Digital Core: 1.525 V–1.95 V

        – Digital I/O: 1.1 V–3.6 V

  15. Package: 5-mm × 5-mm 32-Pin VQFN

3. Applications

    1. Digital Cameras

    2. Smart Cellular Phones