Texas Instruments TPA6100A2, Руководство пользователя

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Quick Start List for Platform
2-3 Quick Start
2.2 Quick Start List for Platform
Follow these steps when using the TPA6100A2 EVM with the TI plug-n-play
audio amplifier evaluation platform (see the platform user’s guide, literature
number SLOU011, for additional details). Numbered callouts for selected
steps are shown in Figure 2–1.
Platform preparations
1) Ensure that all external power sources are set to OFF and that the platform
power switch S1 is set to
OFF.
2) Install a TPA6100A2 module in platform socket U5, taking care to align the
module pins correctly.
3) Use switch S2 to select or bypass the signal conditioning EVM (U1).
4) Set control signal polarity jumper JP7 to Lo.
5) Set Hp source switch S3 to U5 to route the output signal to the headphone
Jack (J10).
Power supply
6) Select and connect the power supply:
a) Connect an external regulated power supply set to a voltage between
1.6 V and 3.6 V to platform V
DD
power input connector J6, taking care
to observe marked polarity,
or
b) Install a 3-V to 5-V voltage regulator EVM (SLVP097 or equiv.) in
platform socket U6. Install a 9-V battery in B1 or connect a 7-V to 12-V
power source to a platform V
CC
power input J1 or J2 and jumper the
appropriate power input (see platform user’s guide). Set jumper JP1
on the SLVP097 to 3.3-V operation.
Inputs and outputs
7) Ensure that signal source level is set to minimum and that potentiometers
R1 and R4 are set to the midpoint.
8) Connect the audio source to left and right RCA phono jacks J3 and J5 or
stereo miniature phone jack J4.
9) Connect 16-
Ω
to 32-
Ω
headphones to headphone jack J10.
Power-up
10) Verify correct voltage and input polarity and set the external power supply
to
ON. If V
CC
and an onboard regulator EVM are used to provide V
DD
, set
platform power switch S1 to ON.
Platform LED2 should light indicating the presence of V
DD
, and the evaluation
modules installed on the platform should begin operation.
11) Adjust the signal source level and potentiometers R1 and R4 as needed.