Overview
The TLV320AIC3101IRHBR is a low-power stereo audio codec developed by Texas Instruments. This device is designed for portable battery-powered audio and telephony applications, featuring a stereo headphone amplifier and multiple programmable inputs and outputs. It offers extensive register-based power control, enabling low power consumption, such as 14-mW stereo 48-kHz DAC playback from a 3.3-V analog supply. The codec supports various audio processing features, including digital signal processing, noise filtering, and programmable digital effects like 3D, bass, treble, and equalization.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VQFN (RHB), 32 pins |
| Operating Temperature Range | -40°C to 85°C |
| Audio DAC Signal-to-Noise Ratio | 102 dBA |
| Audio ADC Signal-to-Noise Ratio | 92 dBA |
| Sample Rates | 8 kHz to 96 kHz |
| Data Bit Depth | 16/20/24/32 bits |
| 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 |
| Speaker Drive Capability | Stereo 8-Ω, 500-mW/Channel |
| Power Consumption (Stereo 48-kHz Playback) | 14 mW with 3.3-V Analog Supply |
Key Features
- Stereo Audio DAC and ADC with sample rates from 8 kHz to 96 kHz
- Programmable digital filtering for 3D, bass, treble, midrange effects, speaker equalization, and de-emphasis
- Six audio input pins with single-ended and fully differential configurations
- Six audio output drivers including stereo fully differential or single-ended headphone drivers and fully differential stereo line outputs
- Automatic Gain Control (AGC) for record with up to 59.5-dB analog gain
- Programmable microphone bias level and input/output analog gains
- Programmable PLL for flexible clock generation supporting various MCLKs
- I2C control bus and programmable audio serial data bus (I2S, left/right-justified, DSP, TDM)
- Extensive modular power control with ultralow-power mode and passive analog bypass
Applications
- Portable battery-powered audio devices
- Telephony applications
- Digital cameras
- Smart cellular phones
Q & A
- What is the TLV320AIC3101IRHBR?
The TLV320AIC3101IRHBR is a low-power stereo audio codec with a stereo headphone amplifier and multiple programmable inputs and outputs.
- What are the key features of the TLV320AIC3101IRHBR?
Key features include stereo audio DAC and ADC, programmable digital filtering, six audio input pins, six audio output drivers, AGC, and extensive modular power control.
- What are the supported sample rates for the TLV320AIC3101IRHBR?
The device supports sample rates from 8 kHz to 96 kHz.
- What is the power consumption of the TLV320AIC3101IRHBR during stereo 48-kHz playback?
The power consumption is as low as 14 mW from a 3.3-V analog supply.
- What types of audio interfaces does the TLV320AIC3101IRHBR support?
The device supports I2S, left/right-justified, DSP, and TDM modes.
- What is the operating temperature range of the TLV320AIC3101IRHBR?
The operating temperature range is -40°C to 85°C.
- What are the typical applications for the TLV320AIC3101IRHBR?
Typical applications include portable battery-powered audio devices, telephony, digital cameras, and smart cellular phones.
- What is the package type and pin count of the TLV320AIC3101IRHBR?
The device is packaged in a 5-mm × 5-mm 32-pin VQFN (RHB).
- Does the TLV320AIC3101IRHBR support automatic gain control?
Yes, it supports automatic gain control (AGC) with up to 59.5-dB analog gain.
- Can the TLV320AIC3101IRHBR be put into a low-power mode?
Yes, it has an ultralow-power mode with passive analog bypass to reduce power consumption.
