lm49370rl National Semiconductor Corporation, lm49370rl Datasheet - Page 74

• Manufacturer Part Number: lm49370rl
• Description: Audio Sub-system With An Ultra Low Emi, Spread Spectrum, Class D Loudspeaker Amplifier, A Dual-mode Stereo Headphone Amplifier, And A Dedicated Pcm Interface For Bluetooth Transceivers
• Manufacturer: National Semiconductor Corporation

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Loudspeaker THD+N vs Frequency
Earpiece THD+N vs Output Power
Headphone THD+N vs Frequency
AV
AV
DD
AV
P
f
OUT
15μH+8Ω+15μH
OUT
= 5V, P
DD
DD
= 5V, 0dB AUX
= 10mW, 32Ω
= 5V, SE, 0dB
= 1kHz, 16Ω
OUT
= 400mW
201917b9
20191737
201917c1
74
Loudspeaker THD+N vs Frequency
Earpiece THD+N vs Output Power
Earpiece THD+N vs Output Power
AV
AV
AV
DD
f
f
= 3.3V, P
DD
DD
15μH+8Ω+15μH
OUT
OUT
= 3.3V, 0dB AUX
= 3.3V, 0dB AUX
= 1kHz, 16Ω
= 1kHz, 32Ω
OUT
= 400mW
20191736
201917c0
201917c2