lm4940tsx National Semiconductor Corporation, lm4940tsx Datasheet - Page 12

• Manufacturer Part Number: lm4940tsx
• Description: 6w Streo Audio Power Amplifier
• Manufacturer: National Semiconductor Corporation

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Application Information
RECOMMENDED PRINTED CIRCUIT BOARD LAYOUT
Figure 5 through Figure 7 show the recommended two-layer
PC board layout that is optimized for the TO263-packaged
LM4940 and associated external components. This circuit
board is designed for use with an external 12V supply and
4Ω(min) speakers.
Demonstration Board Layout
FIGURE 4. Recommended TS PCB Layout:
FIGURE 5. Recommended TS PCB Layout:
(Continued)
Top Silkscreen
Top Layer
12
This circuit board is easy to use. Apply 12V and ground to
the board’s V
speaker between the board’s OUT
their respective GND terminals.
DD
and GND pads, respectively. Connect a
20075663
20075664
A
and OUT
B
outputs and