TSA1702D SPDIF TOSLINK + DSP Audio Receiver Board
20 or more $29.20
TSA1702D is a SPDIF + DSP audio receiver board with a TOSLINKBee receiver module. TOSLINKBee convert the SPDIF signal to I2S signal and output to the ADAU1701 DSP chip, it can accept different sampling rates digital audio source, from 16bit 44.1KHz to 24bit 96KHz. TSA1702D can be powered by a microUSB cable or any DC9V-30V power supply.
The main DSP chip on this module is ADAU1701. The application range from active loudspeaker concepts (digital 3 way 3 unit, 2 way 2 unit crossover, bass enhancement, etc.) and realize the transformation from 2.0 to 2.1. It has four potentiometers and with default program loaded. Customers can adjust the gain, bass, midrange and treble. It also has a debug port for Sigima Studio, and users can program this module with our USBi programmer to get more functions that include equalization, crossover, bass enhancement, multiband dynamics processing, delay compensation, etc.
Pins define:
| 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:
Not support this function on TSA1702D
Potentiometers port:
You can connect external POTs (5K~20K) to control the Main volume, treble, middle, 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 board back side when you connect external potentiometers. Or the ADC port may be burned. Potentiometers value: 1Kohm-100Kohm.
DSP programming port:
You can develop DSP program to fulfill your requirement, then load the new DSP program by using USBi JTAG Sigma DSP programmer.
TSA1702B works with 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 microUSB or DC9-30V Power input
- ADAU DSP integrated
Applications:
- Personal computer
- Background music system
- Musical instrument amplifiers
- Home DIY
- Car audio
Documents:
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