Class-D
Amplifier
OUT-A
OUT-B
OUT-C
OUT-D
Quick Start (BTL MODE)
3
SLAU754A – January 2018 – Revised August 2019
Copyright © 2018–2019, Texas Instruments Incorporated
TPA3220 Evaluation Module
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Sagami is a registered trademark of SAGAMI ELEC CO., LTD.
All other trademarks are the property of their respective owners.
1
Quick Start (BTL MODE)
This section describes the necessary hardware, connections, configuration, and steps to quick start the
EVM into BTL mode with stereo audio playing out of two speakers.
illustrates the BTL mode output configuration.
Figure 1. Output Configuration BTL
1.1
Required Hardware
The following hardware is required for this EVM:
•
TPA3220EVM
•
Power supply 5–14 A, 12–30 VDC
•
Two 2–8
Ω
speaker or resistor loads (ensure speaker or load is appropriately sized for the required
wattage output)
•
Four speaker, banana cables
•
Four XLR or two RCA input cables
•
Analog output audio source