TLV320AIC33 - 具有 6 个输入、7 个输出的低功耗立体声编解码器，集成耳机与扬声器，具备 3D 效果

TLV320AIC33是TI德州仪器公司的一款音频编解码器产品，TLV320AIC33是具有 6 个输入、7 个输出的低功耗立体声编解码器，集成耳机与扬声器，具备 3D 效果，本站介绍了TLV320AIC33的封装应用图解、特点和优点、功能等，并给出了与TLV320AIC33相关的TI元器件型号供参考。

TLV320AIC33 - 具有 6 个输入、7 个输出的低功耗立体声编解码器，集成耳机与扬声器，具备 3D 效果 - 音频编解码器 - 音频转换器 - 德州仪器

产品描述

The TLV320AIC33 is a low power stereo audio codec with stereo headphone amplifier, as well as multiple inputs and outputs 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 TLV320AIC33 contains integrated microphone bias, digitally controlled stereo microphone preamplifier, and automatic gain control (AGC), with mix/mux capability among the multiple analog inputs. The playback path includes mix/mux capability from the stereo DAC and selected inputs, through programmable volume controls, to the various outputs.

The TLV320AIC33 contains four high-power output drivers as well as three 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-Ω headphones using ac-coupling capacitors, or stereo 16-Ω headphones in a capacitorless output configuration. In addition, paris of drivers can be used to drive 8-Ω speakers in a BTL configuration at 500 nW per channel.

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 rates. The stereo audio ADC supports sampling rates from 8 kHz to 96 kHz and is preceded by programmable gain amplifiers providing up to +59.5-dB analog gain for low-level microphone inputs.

The serial control bus supports SPI or I2C protocols, while 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 TLV320AIC33 operates from an analog supply of 2.7 V-3.6 V, a digital core supply of 1.65 V-1.95 V, and a digital I/O supply of 1.1 V-3.6 V. The device is available in 5 × 5-mm, 80-ball MicroStar Junior™ BGA and 7 × 7-mm, 48-lead QFN.

产品特性

Stereo Audio DAC
- 100-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
Stereo Audio ADC
- 92-dBA Signal-to-Noise Ratio
- Supports Rates From 8 kHz to 96 kHz
Ten Audio Input Pins
- Programmable in Single-Ended or Fully Differential Configurations
- 3-State Capability for Floating Input Configurations
Seven Audio Output Drivers
- Stereo 8-, 500-mW/Channel Speaker Drive Capability
- Stereo Fully Differential or Single-Ended Headphone Drivers
- Fully Differential Stereo Line Outputs
- Fully Differential Mono Output
Low Power: 14-mW Stereo 48-kHz PlaybackWith 3.3-V Analog Supply
Programmable Input/Output Analog Gains
Automatic Gain Control (AGC) for Record
Programmable Microphone Bias Level
Programmable PLL for Flexible Clock Generation
Control Bus Selectable SPI or I2C
Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, and TDM Modes
Alternate Serial PCM/I2S Data Bus for Easy Connection to Bluetooth™ Module
Digital Microphone Input Support
Extensive Modular Power Control
Power Supplies:
- Analog: 2.7 V-3.6 V.
- Digital Core: 1.65 V-1.95 V
- Digital I/O: 1.1 V-3.6 V
Packages: 5 × 5 mm 80-VFBGA; 7 × 7 mm 48-QFN

MicroStar Junior is a trademark of Texas Instruments. Bluetooth is a trademark of Bluetooth SIG, Inc.

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