lm4940tsx National Semiconductor Corporation, lm4940tsx Datasheet - Page 8

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

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Typical Performance Characteristics
(from top to bottom at 120˚C): 16in
V
V
Channel-to-Channel Crosstalk vs Frequency
OUTA
negative signal swing, positive signal swing
at (from top to bottom at 1kHz): V
Power Dissipation vs Ambient Temperature
DD
Clipping Voltage vs Power Supply Voltage
= 12V, R
V
both channels driven and loaded,
measured; V
R
DD
8in
at (from top to bottom at 13V):
L
= 4Ω, SE operation, f
= 12V, R
2
copper plane heatsink area
L
= 8Ω, P
heatsink area,
L
INA
= 8Ω (SE), f
OUT
driven, V
= 1W, SE operation,
IN
IN
OUTB
= 1kHz
2
= 1kHz,
200756F1
INB
200756E4
copper plane
measured
200756A3
driven,
8
(Continued)
both channels driven and loaded, at (from top to bottom
Power Supply Current vs Power Supply Voltage
negative signal swing, positive signal swing
Clipping Voltage vs Power Supply Voltage
R
L
= 8Ω, SE operation, f
V
R
IN
L
= 0V, R
= 4Ω, SE operation
at 13V):
SOURCE
= 50Ω
IN
= 1kHz
200756F0
200756F2