Chapter 1. Overview Overview Welcome to use this 2*100W Class-D audio amplifier board by Sure Electronics. As an upgraded version of the original AA-AB013, this board integrates an external extensible interface to connect the matching product of a volume control board and a rotary encoder board for volume control.
2*100W @4Ω TK2050 Class-D Audio Amplifier Board FIGURE 1-2 ACCESSORIES Note: The diagrams above are used for reference only. 1.2 Features A perfect "Class D" architecture Wide power supply range: 12V to 30V, maximum 32V Frequency response: 20Hz to 20KHz(±3dB)
2*100W @4Ω TK2050 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 2. Hardware Detail 2.1 Power Connection To power the amplifier board, use either jack or terminal blocks. Pay attention to the polarity when connecting power supply. FIGURE 2-1 POWER CONNECTION...
2*100W @4Ω TK2050 Class-D Audio Amplifier Board FIGURE 2-2 INPUT CONNECTION TABLE 2-2 INPUT CONNECTION Connector Mark Channel Description Channel 1 Input RCA connector Channel 2 Input Channel 1 Input Terminal Blocks Channel 2 Input Note: You are allowed to feed only one group (dual channel) of audio signal to the amplifier board at a time.
“FAULT (D5)” will be illuminated in blue when the board works in SLEEP mode or there’s error. Please refer to the connection schematic of the board for the LED location and refer to the manual of TK2050 for details of “FAULT”. FIGURE 2-4 LED INDICATOR Note: When power on, the “FAULT (D5)”...
2*100W @4Ω TK2050 Class-D Audio Amplifier Board 2.6 Volume Control The on-board external extensible interface allows for the connection of a rotary encoder board and a volume control board for volume control. The two boards are not provided here but as another product (product No.: AA-AA11117) sold on Sure’s webstore. If you use the two boards, please set K1, K2, K3 and K4 of the on-board DIP switch OFF.
2*100W @4Ω TK2050 CLASS-D AUDIO AMPLIFIER BOARD USER’S GUIDE Chapter 3. Electrical Characteristics Following table lists all typical data. For full specification, please refer to the data sheet of Tripath’s TK2050 chip. TABLE 3-1 ELECTRICAL CHARACTERISTICS Parameter Condition Min. Typ.