The TLV320AIC3104-Q1 is a low-power stereo audio codec with stereo headphone amplifiers, as well as multiple inputs and outputs that are programmable in single-ended or fully differential configurations. Extensive register-based power control is included, enabling stereo 48-kHz DAC playback as low as 14 mW from a 3.3-V 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 record which can remove audible noise that can occur 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, through programmable volume controls, to the various outputs.

The TLV320AIC3104-Q1 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-Ω headphones using AC-coupling capacitors, or stereo 16-Ω 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.

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 sample rates. The stereo audio ADC supports sampling rates from 8 kHz to 96 kHz and is preceded by programmable gain amplifiers (PGA) or an automatic gain control (AGC) circuit that can provide up to 59.5-dB analog gain for low-level microphone inputs. The TLV320AIC3104-Q1 provides an extremely high range of programmability for both attack (8 ms to 1,408 ms) and for decay (0.05 s to 22.4 s). This extended AGC range allows the AGC to be tuned for many types of applications.

Where neither analog nor digital signal processing are required, the device can be put in a special analog signal passthrough mode. This mode significantly reduces power consumption, as most of the device is powered down during this passthrough operation.

The serial control bus supports the I²C protocol, whereas 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 TLV320AIC3104-Q1 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.

• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
  • Device Temperature Grade 3: –40°C to 85°C Ambient Operating Temperature Range
  • Device HBM ESD Classification Level 2
  • Device CDM ESD Classification Level C6
• Stereo Audio DAC
  • 102-dBA Signal-to-Noise Ratio
  • 16-, 20-, 24-, or 32-Bit Data
  • Supports Sample Rates From 8 kHz to 96 kHz
  • 3D, Bass, Treble, EQ, De-Emphasis Effects
  • Flexible Power Saving Modes and Performance are Available
• Stereo Audio ADC
  • 92-dBA Signal-to-Noise Ratio
  • Supports Sample Rates From 8 kHz to 96 kHz
  • Digital Signal Processing and Noise Filtering Available During Record
• Six Audio Input Pins
  • One Stereo Pair of Single-Ended Inputs
  • One Stereo Pair of Fully Differential Inputs
• Six Audio Output Drivers
  • Fully Differential or Single-Ended Stereo Headphone Drivers
  • Fully Differential Stereo Line Outputs
• Low Power: 14-mW Stereo 48-kHz Playback With 3.3-V Analog Supply
• Ultralow-Power Mode with Passive Analog Bypass
• Programmable Input/Output Analog Gains
• Automatic Gain Control (AGC) for Record
• Programmable Microphone Bias Level
• Programmable PLL for Flexible Clock Generation
• I2C Control Bus
• Audio Serial Data Bus Supports I2S, Left/Right-Justified, DSP, and TDM Modes
• Extensive Modular Power Control
• Power Supplies:
  • Analog: 2.7 V to 3.6 V
  • Digital Core: 1.525 V to 1.95 V
  • Digital I/O: 1.1 V to 3.6 V

• Number of ADC channels
• 2
• Number of DAC channels (#)
• 2
• Digital audio interface
• L, R, I2S, DSP, TDM
• Analog inputs
• 6
• Sampling rate (Max) (kHz)
• 96
• Rating
• Automotive
• Features
• Notch filter, Matrix mixing, Phase-locked loop (PLL), Stereo headphone amplifier
• ADC SNR (Typ) (dB)
• 92
• DAC SNR (Typ) (dB)
• 102

TLV320AIC3104-Q1的完整型号有：6PAIC3104IRHBRQ1，以下是这些产品的关键参数及官网采购报价：

6PAIC3104IRHBRQ1，工作温度：-40 to 85，封装：VQFN (RHB)-32，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-3-260C-168 HR，引脚镀层/焊球材料：NIPDAU，TI官网6PAIC3104IRHBRQ1的批量USD价格：1.912（1000+）

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