lm4940tsx National Semiconductor Corporation, lm4940tsx Datasheet - Page 7

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

Typical Performance Characteristics
V
DD
both channels driven and loaded (average shown),
C
BYPASS
at (from top to bottom at 12V): THD+N = 10%,
= 12V, R
A
Output Power vs Power Supply Voltage
Power Supply Rejection vs Frequency
V
V
R
Output Power vs Load Resistance
= 10, at (from top to bottom at 60Hz):
both channels driven and loaded,
DD
L
= 1µF, C
at (from top to bottom at 15Ω):
L
= 16Ω, SE operation, f
THD+N = 10%, THD+N = 1%
= 12V, SE operation, f
= 8Ω, SE operation, V
BYPASS
THD+N = 1%
= 4.7µF, C
IN
IN
RIPPLE
= 1kHz,
BYPASS
= 1kHz,
20075667
20075691
200756D8
= 200mV
= 10µF
p-p
,
7
(Continued)
V
C
RIPPLE
V
BYPASS
V
Total Power Dissipation vs Load Dissipation
Channel-to-Channel Crosstalk vs Frequency
at (from top to bottom at 1kHz): V
OUTA
DD
Power Supply Rejection vs Frequency
= 12V, R
= 200mV
V
V
measured; V
DD
= 1µF, C
DD
at (from top to bottom at 1W):
= 12V, SE operation, f
= 12V, R
L
p-p
R
= 4Ω, P
BYPASS
L
, at (from top to bottom at 60Hz):
= 4Ω, R
L
INA
= 8Ω, SE operation,
OUT
driven, V
= 4.7µF, C
L
= 1W, SE operation,
= 8Ω
IN
OUTB
BYPASS
= 1kHz,
INB
200756B8
20075681
measured
20075698
driven,
= 10µF,
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