Overview
The TLV320AIC32IRHBR, produced by Texas Instruments, is a highly flexible and low-power stereo audio codec designed for portable audio and telephony applications. This device is particularly suited for use in smartphones, PDAs, and other portable computing, communication, and entertainment devices. It integrates a range of features to minimize cost, board space, and power consumption, making it ideal for battery-powered devices.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Power Consumption | Playback power at 48 kHz | 14 mW (from 3.3 V analog supply) |
| Sampling Rates | Supported sampling rates for DAC and ADC | 8 kHz to 96 kHz |
| Analog Supply Voltage | Range for analog supply voltage | 2.7 V – 3.6 V |
| Digital Core Supply Voltage | Range for digital core supply voltage | 1.65 V – 1.95 V |
| Digital I/O Supply Voltage | Range for digital I/O supply voltage | 1.1 V – 3.6 V |
| Signal-to-Noise Ratio (SNR) | SNR for DAC and ADC | 100 dB A (DAC), 92 dB A (ADC) |
| Audio Inputs | Number and configuration of audio inputs | Six audio input pins, configurable as single-ended or fully-differential |
| Audio Outputs | Number and configuration of audio outputs | Four high-power output drivers, three fully differential line output drivers |
| Package | Package type and size | 5 × 5 mm, 32-lead QFN |
Key Features
- Stereo audio multi-bit delta-sigma DAC and ADC with sampling rates from 8 kHz to 96 kHz.
- Programmable input/output analog gains and automatic gain control (AGC) for record path.
- Integrated microphone bias and digitally-controlled stereo-microphone pre-amp.
- Programmable digital audio effects processing (3D, bass, treble, mid-range, EQ, de-emphasis).
- Four high-power audio output drivers capable of driving headphones or speakers.
- Three fully differential line output drivers.
- Fully programmable PLL for flexible clock generation.
- Headphone/headset jack detection with interrupt.
- I2C control bus and audio serial data bus supporting I2S, left/right justified, DSP, and TDM modes.
Applications
The TLV320AIC32IRHBR is designed for use in various portable and battery-powered applications, including:
- Smartphones
- PDAs
- Portable computing devices
- Communication devices
- Entertainment devices such as MP3 players and handheld game consoles.
Q & A
- What is the typical power consumption of the TLV320AIC32IRHBR during 48 kHz playback?
The typical power consumption is 14 mW from a 3.3 V analog supply.
- What are the supported sampling rates for the DAC and ADC?
The device supports sampling rates from 8 kHz to 96 kHz.
- What is the range of the analog supply voltage for the TLV320AIC32IRHBR?
The analog supply voltage range is 2.7 V to 3.6 V.
- How many audio input pins does the TLV320AIC32IRHBR have, and what configurations are supported?
The device has six audio input pins, which can be configured as single-ended or fully-differential.
- What types of audio outputs are available on the TLV320AIC32IRHBR?
The device features four high-power output drivers and three fully differential line output drivers.
- Does the TLV320AIC32IRHBR support programmable digital audio effects?
Yes, it supports programmable digital audio effects such as 3D, bass, treble, mid-range, EQ, and de-emphasis.
- What is the purpose of the PLL in the TLV320AIC32IRHBR?
The PLL is fully programmable for flexible clock generation, supporting all standard audio rates from a wide range of available MCLKs.
- How does the TLV320AIC32IRHBR handle headphone/headset detection?
The device includes headphone/headset jack detection with interrupt capability.
- What communication protocols are supported by the TLV320AIC32IRHBR?
The device supports I2C control bus and audio serial data bus protocols including I2S, left/right justified, DSP, and TDM modes.
- What is the package type and size of the TLV320AIC32IRHBR?
The device is available in a 5 × 5 mm, 32-lead QFN package.
