Texas Instruments TPA6030A4 - Manual (Page 13)

2-1 Quick Start
Quick Start
The steps in this chapter can be followed to quickly prepare the TPA6030A4
audio amplifier EVM for use. Using the TPA6030A4 with the TI Plug-N-Play
audio amplifier evaluation platform is a quick and easy way to connect power,
signal and control inputs, and signal outputs to the EVM using standard
connectors. However, the audio amplifier evaluation module can be used
stand-alone by making connections directly to the module pins, and can be
wired directly into existing circuits or equipment.
The TI Plug-N-Play platform supplies a 5-V regulated voltage that is designed
to allow devices with an SE/BTL pin to automatically switch to SE output mode
when a headphone is inserted into the headphone jack. The SE/BTL pin on
the TPA6030A4 is designed to switch high when the voltage applied to the pin
meets or exceeds 0.8 V
CC
, requiring a minimum of 5.6 V when the power
supply is at 7 V. This is more than the platform can supply, and consequently,
the automatic SE/BTL toggle feature of the TI Plug-N-Play platform is not fully
compatible with the TPA6030A4EVM. However, the output mode can be
manually changed with the use of J1 on the TPA6030A4EVM (see Table 2–2).
Refer to the application section of the TPA6030A4 data sheet for more
information about building a circuit that automatically switches output modes
when a headphone is inserted.
The jumper and switch settings on the TI Plug-N-Play platform do not change
with different V
CC
levels.
Topic Page
2.1 Precautions 2–3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Quick Start List for Platform 2–4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Quick Start List for Stand-Alone 2–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2