TSA1702C SPDIF Coaxial + DSP Audio Receiver Board
TSA1702C is an SPDIF + DSP audio receiver board featuring an SPDIFBee module. The SPDIFBee converts the SPDIF signal to an I2S signal and outputs it to the ADAU1701 DSP chip. It can accept digital audio sources with different sampling rates, ranging from 16-bit 44.1KHz to 24-bit 96KHz. A micro USB cable or any DC 9V-30V power supply can power TSA1702C.
The main DSP chip on this module is the ADAU1701. Its application spans active loudspeaker concepts (digital 3-way with 3-unit, 2-way with 2-unit crossover, bass enhancement, etc.) and enables the transformation from 2.0 to 2.1 audio systems. It comes equipped with four potentiometers and has a default program loaded. Customers can adjust the gain, bass, midrange, and treble levels. Additionally, it features a debug port for Sigma Studio, allowing users to program this module with our USBi programmer to access additional functions, including equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, and more.
Pins Definition:
Port name | Pin name | Direction | Description |
External Potentiometers port | 3.3V | Power Out | 3.3V Output |
A_ADC1 | Analog In | Treble control | |
A_ADC2 | Analog In | Midrange control | |
A_ADC3 | Analog In | Bass control | |
A_ADC0 | Analog In | Gain control | |
GND | – | ||
Aux in Input | GND | – | |
ADC1 | Analog In | Right channel | |
ADC0 | Analog In | Left Channel | |
Audio Out1 | GND | – | |
DAC0 | Analog Out | Left Channel | |
DAC1 | Analog Out | Right channel | |
Audio Out2 | GND | – | |
DAC2 | Analog Out | Left Channel | |
DAC3 | Analog Out | Right channel | |
Control Buttons: This function is not supported on TSA1702C.
Potentiometers Port: You can connect external POTs (5K~20K) to control the main volume, treble, midrange, and bass. This is our POT kit.
- ADC0: Main volume.
- ADC1: Bass volume.
- ADC2: Middle volume.
- ADC3: Treble volume.
Warning: You need to disconnect the soldering pads on the back side of the board when connecting external potentiometers. Otherwise, the ADC port may be damaged. Potentiometer values: 1Kohm-100Kohm.
DSP Programming Port: You can develop a DSP program to meet your requirements and then load the new DSP program using the USBi JTAG Sigma DSP programmer.
TSA1702B works with a stereo amplifier board
Features:
- Size: 9cm x 6cm
- 28-/56-bit, 50 MIPS Digital Audio Processor
- SPDIF Supported sampling rate:
- 16bit, 44.1KHz, 48KHz, 88.2KHz, 96KHz
- 24bit, 44.1KHz, 48KHz, 88.2KHz, 96KHz
- I2S Sampling Rate: 48KHz, 16bit
- Audio out output level: 0.9Vrms
- Audio input signal range: 2Vrms
- Input resistance: 20Kohm
- Fully Programmable with SigmaStudio Graphical tool
- 5V micro USB or DC9-30V Power input
- ADAU DSP integrated
Applications:
- Personal computer
- Background music system
- Musical instrument amplifiers
- Home DIY
- Car Audio
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