LM4681SQ/NOPB National Semiconductor, LM4681SQ/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM4681SQ/NOPB
• Description: IC AMP AUDIO PWR 10W STER 48LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4681SQ/NOPB

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 10W x 2 @ 8 Ohm; 94mW x 2 @ 32 Ohm
• Voltage - Supply: 9 V ~ 15.5 V
• Features: Depop, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, SPI, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 48-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4681SQ; LM4681SQTR

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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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