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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftlv320aic3104-q1″>View Datasheet
Texas Instruments TLV320AIC3104-Q1 Low-Power Stereo Audio Codec comes with stereo headphone amplifiers and multiple inputs and outputs that are programmable in single-ended or fully differential configurations. Extensive register-based power control is included, enabling stereo 48kHz DAC playback as low as 14mW from a 3.3V analog supply, making it ideal for car audio applications in cluster and head unit systems.
The record path of the TLV320AIC3104-Q1 contains integrated microphone bias, digitally controlled stereo microphone preamplifier, and automatic gain control (AGC), with mix/mux capability among the multiple analog inputs. Programmable filters are available during recording, which can remove audible noise during noisy and unpredictable environments, such as when an e-call system is activated. The playback path includes mix/mux capability from the stereo DAC and selected inputs to the various outputs through programmable volume controls.
The Texas Instruments TLV320AIC3104-Q1 contains four high-power output drivers and two fully differential output drivers. The high-power output drivers can drive various load configurations, including up to four channels of single-ended 16Ω headphones using AC-coupling capacitors or stereo 16Ω headphones in a capless output configuration. These parameters enable the TLV320AIC3104-Q1 to act as an interface between the MCU and speaker amplifiers, such as the TPA3111D1-Q1, in various audio applications in the infotainment and cluster fields.
