LM4681 National Semiconductor, LM4681 Datasheet - Page 8

• Manufacturer Part Number: LM4681
• Description: Stereo CLASS D Audio Power Amplifier
• Manufacturer: National Semiconductor

www.national.com
Typical Performance Characteristics
Class AB Headphone Amplifier THD+N vs Output Power
Class D Amplifier THD+N vs Output Power
Class D Amplifier THD+N vs Output Power
Both channel driven, both measured
Both channel driven, both measured
V
V
V
DD
DD
DD
= 15.5V, R
= 12V, R
= 9V, R
L
L
L
= 8Ω
= 32Ω
= 8Ω
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(Continued)
Class AB Headphone Amplifier THD+N vs Output Power
Class AB Headphone Amplifier THD+N vs Output Power
Class D Amplifier THD+N vs Output Power
Both channel driven, both measured
V
V
V
DD
DD
DD
= 15.5V, R
= 12V, R
= 9V, R
L
L
L
= 32Ω
= 8Ω
= 32Ω
20118945
20118947
20118943