LM4671ITL, LM4671ITLXNOPB, LM4673 Selling Leads, Datasheet
MFG:NS Package Cooled:08+ D/C:1000
LM4671ITL, LM4671ITLXNOPB, LM4673 Datasheet download
Part Number: LM4671ITL
MFG: NS
Package Cooled: 08+
D/C: 1000
MFG:NS Package Cooled:08+ D/C:1000
LM4671ITL, LM4671ITLXNOPB, LM4673 Datasheet download
MFG: NS
Package Cooled: 08+
D/C: 1000
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PDF/DataSheet Download
Datasheet: LM40
File Size: 378376 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: LM40
File Size: 378376 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: LM4673
File Size: 911560 KB
Manufacturer: NATIONAL
Download : Click here to Download
The LM4673 is a single supply, high efficiency, 2.65W, mono, Class D audio amplifier. A low noise, filterless PWM architecture eliminates the output filter, reducing external component count, board area consumption, system cost, and simplifying design.
The LM4673 is designed to meet the demands of mobile phones and other portable communication devices. Operating on a single 5V supply, it is capable of driving a 4Ω speaker load at a continuous average output of 2.1W with less than 1% THD+N. Its flexible power supply requirements allow operation from 2.4V to 5.5V. The LM4673 has high efficiency with speaker loads compared to a typical Class AB amplifier. With a 3.6V supply driving an 8Ω speaker, the IC's efficiency for a 100mW power level is 80%, reaching 88% at 400mW output power.
The LM4673 features a low-power consumption shutdown mode. Shutdown may be enabled by driving the Shutdown pin to a logic low (GND).
The gain of the LM4673 is externally configurable which allows independent gain control from multiple sources by summing the signals. Output short circuit and thermal overload protection prevent the device from damage during fault conditions.
Supply Voltage (Note 1) |
6.0V |