Low Power Stereo Codec With 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects

The TLV320AIC31 is a low-power stereo Audio CODEC with a 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 digital-to-analog converter (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 TLV320AIC31 contains integrated Microphone bias, a digitally-controlled stereo Microphone pre-amp, 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 TLV320AIC31 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. In addition, pairs of drivers CAN be used to drive 8- speakers in a BTL configuration at 500 mW 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 Analog-to-digital converter (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 the I2C protocol, 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 TLV320AIC31 operates from an Analog supply of 2.7 V to 3.6 V, a digital core supply of 1.525 V to 1.95 V, and a digital I/O supply of 1.1 V to 3.6 V. The device is available in a 5 5 mm, 32-lead QFN package.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
TLV320AIC31IRHBTG4 Texas Instruments Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects 32-VQFN -40 to 85
TLV320AIC3105IRHBT Texas Instruments Low-Power Stereo CODEC with 6 Inputs, 6 Outputs, HP Amp and Enhanced Digital Effects 32-VQFN -40 to 85
TLV320AIC3106IGQER Texas Instruments PCM CODEC, PBGA80, 5 X 5 MM, PLASTIC, VFBGA-80
TLV320AIC3111IRHBR Texas Instruments Low-Power Audio CODEC with embedded miniDSP and Stereo Class-D Speaker Amplifier 32-VQFN -40 to 85
TLV320AIC31IRHBR Texas Instruments Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects 32-VQFN -40 to 85
TLV320AIC3106IZQE Texas Instruments Low-Power Stereo CODEC with 10 Inputs, 7 Outputs, HP Amplifier and Enhanced Digital Effects 80-BGA MICROSTAR JUNIOR -40 to 85
TLV320AIC31IRHBRG4 Texas Instruments Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Integrated Headphone/Speaker Amps, 3D Effects 32-VQFN -40 to 85
TLV320AIC3106IZQER Texas Instruments Low-Power Stereo CODEC with 10 Inputs, 7 Outputs, HP Amplifier and Enhanced Digital Effects 80-BGA MICROSTAR JUNIOR -40 to 85
TLV320AIC3107IRSBT Texas Instruments Low-Power Stereo CODEC with Integrated Mono Class-D Amplifier 40-WQFN -40 to 85
TLV320AIC3100IRHBT Texas Instruments Low-Power Audio Codec With Audio Processing and Mono Class-D Amplifier 32-VQFN -40 to 85
TLV320AIC31 's PackagesTLV320AIC31 's pdf datasheet
TLV320AIC31IRHBR QFN
TLV320AIC31IRHBRG4 QFN
TLV320AIC31IRHBT QFN
TLV320AIC31IRHBTG4 QFN




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TLV320AIC31 Application circuits
TLV320AIC31 circuits
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