LM4681SQ NSC [National Semiconductor], LM4681SQ Datasheet - Page 10

• Manufacturer Part Number: LM4681SQ
• Description: 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and I2C/SPI Volume Control
• Manufacturer: NSC [National Semiconductor]

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Typical Performance Characteristics
Class AB Headphone Amplifier Magnitude vs Frequency
V
DD
= 12V, R
PSRR vs Frequency
PSRR vs Frequency
V
V
DD
L
DD
= 32Ω, P
= 15.5V
= 9V
O
= 20mW
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Class AB Headphone Amplifier Magnitude vs Frequency
Class D Amplifier Dissipation vs Load Dissipation
Both channels driven and measured
V
DD
= 15.5V, R
PSRR vs Frequency
V
DD
V
= 9V, R
DD
L
= 32Ω, P
= 12V
L
= 8Ω
O
= 20mW
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