TLV320AIC3106IRGZR Detailed explanation of pin function specifications and circuit principle instructions

The model "TLV320AIC3106IRGZR" belongs to Texas Instruments (TI), a leading manufacturer in the semiconductor industry. It is an Audio Codec designed for use in a variety of audio applications, providing high-quality digital audio conversion, signal processing, and analog-to-digital (ADC) and digital-to-analog (DAC) functionality.

Package Information

Package Type: TQFP (Thin Quad Flat Package) Pin Count: 32 pins

Pin Function Specifications & Circuit Principle Instructions

Below is a detailed breakdown of the 32 pins of the TLV320AIC3106IRGZR, including the pin function, use, and specifications.

Pin Number Pin Name Function Description 1 DVDD Digital supply voltage (3.3V typical) 2 AVDD Analog supply voltage (3.3V typical) 3 DGND Digital ground 4 AGND Analog ground 5 SDOUT Serial data output (DOUT) 6 SCLK Serial clock (SCLK) 7 FSYNC Frame sync (FSYNC) 8 MCLK Master clock input (MCLK) 9 SDO Serial Data Output (SDOUT) 10 SDI Serial Data Input (SDIN) 11 SCL I2C clock pin 12 SDA I2C data pin 13 PLL_REF Reference clock input for PLL 14 VREF Voltage reference pin for analog-to-digital conversion 15 MICBIAS Microphone bias supply output 16 LOUT Left audio output (for analog signal) 17 ROUT Right audio output (for analog signal) 18 BCLK Bit clock pin for audio data 19 DOUT Data output pin 20 DIN Data input pin 21 RESET Reset pin (active low) 22 PDWN Power -down pin (active low) 23 MUTE Mute control for audio output 24 PWRDN Power-down pin for audio circuitry 25 AIN1L Analog input, left channel 26 AIN1R Analog input, right channel 27 AIN2L Analog input, left channel (second input) 28 AIN2R Analog input, right channel (second input) 29 AIN3L Analog input, left channel (third input) 30 AIN3R Analog input, right channel (third input) 31 AVDDIO IO supply voltage pin for audio inputs/outputs 32 DVDDIO IO supply voltage pin for digital inputs/outputs

Pin Functions & Descriptions

Pin 1 (DVDD) and Pin 2 (AVDD): These pins are used to supply the power to the digital and analog circuits of the device, respectively. These supply pins typically receive 3.3V. Pin 3 (DGND) and Pin 4 (AGND): These are the ground pins for the digital and analog circuits, respectively. Pin 5 (SDOUT): This pin is used to output serial data. It's the data output for communication with an external device via a serial interface (I2S or PCM). Pin 6 (SCLK): The serial clock input pin for synchronous audio data transfer. Pin 7 (FSYNC): The frame sync pin to indicate the beginning of each audio frame. Pin 8 (MCLK): The master clock input, which can be used to synchronize the audio data transmission. Pin 9 (SDO): Serial data output, transmitting audio data out of the codec. Pin 10 (SDI): Serial data input, receiving audio data into the codec. Pin 11 (SCL) and Pin 12 (SDA): These pins are used for the I2C communication interface. SCL is the clock, and SDA is the data line for sending and receiving configuration information. Pin 13 (PLL_REF): This pin is for the PLL reference clock input, necessary to generate the internal clock for the audio codec. Pin 14 (VREF): This is the voltage reference pin used for converting analog signals into digital signals. Pin 15 (MICBIAS): This pin is used to provide bias voltage to microphones that require a biasing voltage. Pin 16 (LOUT) and Pin 17 (ROUT): These pins are used for the left and right analog audio outputs, respectively. Pin 18 (BCLK): Bit clock pin used for transferring audio data in bit-clock format. Pin 19 (DOUT): The data output pin for transmitting digital audio data. Pin 20 (DIN): The data input pin for receiving digital audio data. Pin 21 (RESET): A reset pin used to reset the codec's internal logic. Active low. Pin 22 (PDWN): This is the power-down control pin for turning off the audio circuitry. Active low. Pin 23 (MUTE): Used to mute the audio output. Pin 24 (PWRDN): Used to power down the device to save energy. Pins 25–30 (AIN1L, AIN1R, AIN2L, AIN2R, AIN3L, AIN3R): These are the analog input pins for the left and right audio channels, supporting multiple analog inputs for microphones or line-in audio sources. Pin 31 (AVDDIO) and Pin 32 (DVDDIO): These are the supply voltage pins for the input/output operations of the analog and digital signals.

FAQ for TLV320AIC3106IRGZR

Q1: What is the supply voltage for the TLV320AIC3106IRGZR? A1: The TLV320AIC3106IRGZR requires a supply voltage of 3.3V for both digital (DVDD) and analog (AVDD) circuits.

Q2: How many pins does the TLV320AIC3106IRGZR have? A2: The TLV320AIC3106IRGZR has 32 pins.

Q3: What is the function of the MUTE pin? A3: The MUTE pin is used to mute the audio output of the codec.

Q4: What kind of communication interface does the TLV320AIC3106IRGZR use? A4: The TLV320AIC3106IRGZR supports I2C and serial audio communication interfaces (I2S/PCM).

Q5: What does the VREF pin do? A5: The VREF pin provides the reference voltage for the analog-to-digital conversion in the audio codec.

Q6: What is the purpose of the RESET pin? A6: The RESET pin is used to reset the internal logic of the codec. It is active low.

Q7: What is the maximum input voltage for the analog inputs? A7: The analog input pins support input voltage in the range of 0 to AVDD.

Q8: How do I power down the device? A8: The device can be powered down by setting the PDWN or PWRDN pin to low.

Q9: Can I use the TLV320AIC3106IRGZR with a 5V supply? A9: No, the device operates at 3.3V and requires a regulated 3.3V supply.

Q10: What is the function of the PLLREF pin? A10: The PLLREF pin is used to provide the reference clock for the phase-locked loop (PLL) used in the internal clock generation.

For further questions or advanced configurations, please refer to the official datasheet and application notes provided by Texas Instruments.