Quick-Start Guide
1.2
Evaluation Board Specifications
•
Board supply voltage: 4.5 Vdc
–
5.5 Vdc from one of the following sources:
–
Device USB cable (connected to a personal computer)
–
(3) AA batteries
•
Board supply current: 30 mA, typical
•
Breakout power output: 5 Vdc (500 mA, maximum)
•
Speaker power: 1 W, maximum
•
Dimensions: 10.5 cm
×
6.5 cm
×
2.2 cm (L
×
W
×
H)
•
RoHS status: n/a
When the evaluation board is used in USB Host mode, the host connector is capable of supplying power
to the connected USB device. The available supply current is limited to ~250 mA unless the evaluation
board is powered from an external 5-V supply with a
≥
600 mA rating.
2
Quick-Start Guide
2.1
Powering the Device
1. Speaker. Plug the speaker into the white jack on the
left side of the board.
2. Audio Cable. Plug 3,5-mm audio cable into the board
and MP3 player.
3. Battery Power. To turn on the board, move the
jumper (bottom right side of board) to the BAT
position.
USB Power (Optional). If batteries are discharged or
unavailable, the board can be powered over a USB
connection. Move the jumper (bottom right side of
board) to USB position.
Battery Indicator. A low-battery indicator is on the
right side of the joystick. The LED turns on when the
battery voltage drops below 3.7 V
3
SLOU312
–
June 2011
eZAudio TPA2015D1 Demonstration Kit
Copyright
©
2011, Texas Instruments Incorporated