Ch. 4
Ch. 3
Ch. 2
Ch. 1
Power
EVM Description
The speaker connections consist of the remaining four pairs of red and white twisted wire. Each pair of red
and white wires corresponds with a channel. The red wire corresponds to the plus (+) output, and the
white wire corresponds to the minus (–) output. These wires must be terminated to a speaker load or
resistive load.
See
for more details on the 10-pin connector on the EVM,
for more details about the
speaker cables, and
for the speaker cables connection to the EVM.
Figure 5. Wiring Harness for Power and Speaker Connections
Figure 6. Power and Speaker Connections to the EVM
NOTE:
Do not connect any of the speaker outputs to ground. The TAS5414B and TAS5424B have
full bridged outputs; connecting to ground triggers a fault.
The outputs can be paralleled by connecting the plus (+) of one channel to the plus (+) of the other
channel. The minus (–) connection of one channel and the minus (–) connection of the other channel must
be connected also. See the data sheet for more details on parallel outputs (PBTL).
2.3
Controls
2.3.1
Standby
The standby switch is located next to the 6-pin DIN I
2
C input connector. Having the toggle in the Standby
ON position forces the TAS5414B or TAS5424B into the standby mode. This is the same as a power-on
reset (POR). POR shuts down the device, and I
2
C is not functional.
Setting the switch to the Standby OFF position puts the device in the EVM into its default power up mode.
The I
2
C registers are set to their defaults. The amplifier output is in Hi-Z mode.
8
TAS5414B and TAS5424B Evaluation Module (EVM) User's Guide
SLOU335 – May 2012
Copyright © 2012, Texas Instruments Incorporated