Texas Instruments SLEU056 - Manual (Page 18)

Description of Connectors
2-6
2.4.5 Loudspeaker Connectors (J540, J541, J580, and J581)
All speaker connectors accept standard 4 mm plugs. Use of high quality plugs
and speaker cable are recommended.
Table 2−3. Description of Loudspeaker Connectors
Reference Designator Description
J540 Left speaker positive output terminal
J541 Left speaker negative output terminal
J580 Right speaker positive output terminal
J581 Right speaker negative output terminal
Caution
Both positive and negative speaker outputs are floating and may NOT
be connected to ground (f.ex. through an oscilloscope).
2.4.6 Power Supply Connector
Figure 2−6. Pin Numbers at PSU Connector (Top View)
4
1
2
3
Table 2−4. Description of PSU Connector
Pin No. Description Net Name at Schematic
1 Supply voltage for output stage
(VHBR) POWER−OUTPUT−STAGE
2 Supply voltage for control and gate
drive (V+) −
3 Ground GND
4 Ground GND