TLV320AIC3104-Q1 - 具有 6 个音频输入引脚和 6 个音频输出驱动器的汽车类低功耗立体声音频编解码器

TLV320AIC3104-Q1是TI德州仪器公司的一款音频编解码器产品，TLV320AIC3104-Q1是具有 6 个音频输入引脚和 6 个音频输出驱动器的汽车类低功耗立体声音频编解码器，本站介绍了TLV320AIC3104-Q1的封装应用图解、特点和优点、功能等，并给出了与TLV320AIC3104-Q1相关的TI元器件型号供参考。

TLV320AIC3104-Q1 - 具有 6 个音频输入引脚和 6 个音频输出驱动器的汽车类低功耗立体声音频编解码器 - 音频编解码器 - 音频转换器 - 德州仪器

产品描述

The TLV320AIC3104 is a low-power stereo audio codec with stereo headphone amplifier, as well as multiple inputs and outputs that 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 TLV320AIC3104 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.

The TLV320AIC3104 contains four high-power output drivers as well as two fully differential output drivers. The high-power output drivers are capable of driving a variety of load configurations, including up to four channels of single-ended 16- headphones using ac-coupling capacitors, or stereo 16- headphones in a capless output configuration.

The stereo audio DAC supports sampling rates from 8 kHz to 96 kHz and includes programmable digital filtering in the DAC path for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis for 32-kHz, 44.1-kHz, and 48-kHz sample rates. The stereo audio ADC supports sampling rates from 8 kHz to 96 kHz and is preceded by programmable gain amplifiers or AGC that can provide up to 59.5-dB analog gain for low-level microphone inputs. The TLV320AIC3104 provides an extremely high range of programmability for both attack (8–1,408 ms) and for decay (0.05–22.4 seconds). This extended AGC range allows the AGC to be tuned for many types of applications.

For battery saving applications where neither analog nor digital signal processing are required, the device can be put in a special analog signal passthrough mode. This mode significantly reduces power consumption, as most of the device is powered down during this passthrough operation.

The serial control bus supports the I2C protocol, whereas the serial audio data bus is programmable for I2S, left/right-justified, DSP, or TDM modes. A highly programmable PLL is included for flexible clock generation and support for all standard audio rates from a wide range of available MCLKs, varying from 512 kHz to 50 MHz, with special attention paid to the most-popular cases of 12-MHz, 13-MHz, 16-MHz, 19.2-MHz, and 19.68-MHz system clocks.

The TLV320AIC3104 operates from an analog supply of 2.7 V–3.6 V, a digital core supply of 1.525 V–1.95 V, and a digital I/O supply of 1.1 V–3.6 V. The device is available in a 5-mm × 5-mm 32-pin QFN package.

产品特性

Qualified for Automotive Applications
Stereo Audio DAC
- 102-dBA Signal-to-Noise Ratio
- 16/20/24/32-Bit Data
- Supports Sample Rates From 8 kHz to 96 kHz
- 3D/Bass/Treble/EQ/De-Emphasis Effects
- Flexible Power Saving Modes and Performance are Available
Stereo Audio ADC
- 92-dBA Signal-to-Noise Ratio
- Supports Sample Rates From 8 kHz to 96 kHz
- Digital Signal Processing and Noise Filtering Available During Record
Six Audio Input Pins
- One Stereo Pair of Single-Ended Inputs
- One Stereo Pair of Fully Differential Inputs
Six Audio Output Drivers
- Stereo Fully Differential or Single-Ended Headphone Drivers
- Fully Differential Stereo Line Outputs
Low Power: 14-mW Stereo 48-kHz Playback With 3.3-V Analog Supply
Ultralow-Power Mode with Passive Analog Bypass
Programmable Input/Output Analog Gains
Automatic Gain Control (AGC) for Record
Programmable Microphone Bias Level
Programmable PLL for Flexible Clock Generation
I2C Control Bus
Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, and TDM Modes
Extensive Modular Power Control
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
Package: 5-mm × 5-mm 32-Pin QFN
APPLICATIONS
- Entertainment Applications

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