Overview
The TLV320AIC3107 is a low-power stereo audio codec developed by Texas Instruments. It integrates a stereo headphone amplifier and a mono class-D speaker driver, along with multiple programmable inputs and outputs. This device is designed for low power consumption, making it ideal for portable battery-powered audio and telephony applications. The TLV320AIC3107 features extensive register-based power control, allowing for efficient power management and flexible performance settings.
Key Specifications
| Parameter | Value |
|---|---|
| Signal-to-Noise Ratio (SNR) - DAC | 97 dBA (Single Ended) |
| Signal-to-Noise Ratio (SNR) - ADC | 92 dBA |
| Sample Rates | 8 kHz to 96 kHz |
| Data Bit Depth | 16/20/24/32 bits |
| Power Supplies |
|
| Package Options |
|
| Operating Temperature Range | -40°C to 85°C |
| Low Power Consumption | 15 mW (Stereo 48 kHz playback with 3.3 V analog supply) |
Key Features
- Stereo CODEC with integrated mono class-D amplifier
- High performance audio DAC and ADC
- Supports sample rates from 8 kHz to 96 kHz
- 3D, bass, treble, EQ, and de-emphasis effects
- Flexible power saving modes and performance settings
- Seven audio input pins programmable as 6 single-ended or 3 fully differential inputs
- Multiple audio output drivers including mono fully differential or stereo single-ended headphone drivers and single-ended stereo line outputs
- Mono 1 W class-D BTL 8Ω speaker driver
- Programmable input/output analog gains and automatic gain control (AGC) for record
- Programmable microphone bias level and PLL for flexible clock generation
- I2C control bus and audio serial data bus supporting I2S, left/right-justified, DSP, and TDM modes
- Extensive modular power control and ultra-low power mode with passive analog bypass
Applications
- Cellular handsets
- Digital cameras
- Portable media players
- General portable audio equipment
Q & A
- What is the TLV320AIC3107?
The TLV320AIC3107 is a low-power stereo audio codec with a stereo headphone amplifier and a mono class-D speaker driver, designed for portable battery-powered audio and telephony applications.
- What are the key features of the TLV320AIC3107?
Key features include a high-performance audio DAC and ADC, support for sample rates from 8 kHz to 96 kHz, 3D/bass/treble/EQ/de-emphasis effects, and extensive modular power control.
- What are the power supply requirements for the TLV320AIC3107?
The device operates from various power supplies: speaker amp (2.7 V - 5.5 V), analog (2.7 V - 3.6 V), digital core (1.525 V - 1.95 V), and digital I/O (1.1 V - 3.6 V).
- What are the package options for the TLV320AIC3107?
The device is available in 5-mm × 5-mm, 40-pin QFN and 3.563-mm × 3.376-mm, 42-lead DSBGA packages.
- What is the signal-to-noise ratio (SNR) of the TLV320AIC3107?
The SNR for the DAC is 97 dBA (single-ended) and for the ADC is 92 dBA.
- What are the supported audio data bus modes?
The audio serial data bus supports I2S, left/right-justified, DSP, and TDM modes.
- Does the TLV320AIC3107 support automatic gain control (AGC)?
Yes, the device includes automatic gain control (AGC) for record with programmable gain amplifiers.
- What is the low power consumption mode of the TLV320AIC3107?
The device can operate in an ultra-low power mode with passive analog bypass, significantly reducing power consumption.
- What are the typical applications of the TLV320AIC3107?
Typical applications include cellular handsets, digital cameras, portable media players, and general portable audio equipment.
- How does the TLV320AIC3107 manage power consumption?
The device features extensive register-based power control, allowing for flexible power saving modes and performance settings.
