lm4990mm National Semiconductor Corporation, lm4990mm Datasheet - Page 8

• Manufacturer Part Number: lm4990mm
• Description: 2 Watt Audio Power Amplifier With Selectable Shutdown Logic Level
• Manufacturer: National Semiconductor Corporation

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Typical Performance Characteristics
Power Supply Rejection Ratio (PSRR) vs Frequency
V
DD
V
V
= 5V, R
DD
DD
THD+N+N vs Output Power
THD+N+N vs Output Power
= 2.6V, R
= 3V, R
L
= 8Ω, input 10Ω terminated
L
L
= 4Ω, and f = 1kHz
= 4Ω, and f = 1kHz
20051002
20051004
20051006
8
(Continued)
Power Supply Rejection Ratio (PSRR) vs Frequency
V
V
V
DD
DD
DD
THD+N+N vs Output Power
THD+N+N vs Output Power
= 2.6V, R
= 5V, R
= 3V, R
L
L
L
= 8Ω, input floating
= 8Ω, and f = 1kHz
= 8Ω, and f = 1kHz
20051003
20051007
20051005