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LM4665 Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM4665
Description  Filterless High Efficiency 1W Switching Audio Amplifier
PDF  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4665 Datasheet(HTML) 7 Page - National Semiconductor (TI)

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Typical Performance Characteristics (Continued)
PSRR vs Frequency
V
DD = 5V, RL =8
Ω + 33µH
V
CM = 100mVRMSSine Wave, 22kHz BW
PSRR vs Frequency
V
DD = 3V, RL =8
Ω + 33µH
V
CM = 100mVRMSSine Wave, 22kHz BW
20027099
20027094
Efficiency (top trace) and
Power Dissipation (bottom trace) vs Output Power
V
DD = 5V, RL =8
Ω + 33µH, f = 1kHz, THD < 3%
Efficiency (top trace) and
Power Dissipation (bottom trace) vs Output Power
V
DD = 3V, RL =8
Ω + 33µH, f = 1kHz, THD < 2%
200270A2
200270A1
Efficiency (top trace) and
Power Dissipation (bottom trace) vs Output Power
V
DD = 3.3V, RL =4
Ω + 33µH, f = 1kHz, THD < 2%
Gain Threshold Voltages
V
DD =3V-5V
200270A5
200270A3
www.national.com
7



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