Datasheet

LM4940
www.ti.com SNAS219C –OCTOBER 2003–REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Channel-to-Channel Crosstalk vs Frequency Power Supply Current vs Power Supply Voltage
R
L
= 4Ω, SE operation
V
DD
= 12V, R
L
= 8Ω, P
OUT
= 1W, SE operation,
V
IN
= 0V, R
SOURCE
= 50Ω
at (from top to bottom at 1kHz): V
INB
driven,
V
OUTA
measured; V
INA
driven, V
OUTB
measured
Figure 21. Figure 22.
Clipping Voltage vs Power Supply Voltage Clipping Voltage vs Power Supply Voltage
R
L
= 4Ω, SE operation, f
IN
= 1kHz R
L
= 8Ω, SE operation, f
IN
= 1kHz
both channels driven and loaded, both channels driven and loaded,
at (from top to bottom at 13V): at (from top to bottom at 13V):
negative signal swing, positive signal swing negative signal swing, positive signal swing
Figure 23. Figure 24.
Power Dissipation vs Ambient Temperature
V
DD
= 12V, R
L
= 8Ω (SE), f
IN
= 1kHz,
(from top to bottom at 120°C):
16in
2
copper plane heatsink area,
8in
2
copper plane heatsink area
Figure 25.
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