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LN4871
LN4871 is a monaural bridge audio power amplifier circuit that can provide stable output of 3W power for a 3Ω load under 5V input voltage conditions, with total harmonic distortion and noise not exceeding 10%. In order to ensure the battery life of portable devices, when the LN4871 enable terminal is connected to VDD, the chip enters shutdown mode, in which IQ<0.1uA (Typ.).
LN4871 is specifically designed for portable products that require high power output and high fidelity requirements. Only requiring minimal external components, dedicated to high-quality audio power amplification. The voltage range that can work is 2.0V to 6V.
LN4871 is specifically designed for portable products that require high power output and high fidelity requirements. Only requiring minimal external components, dedicated to high-quality audio power amplification. The voltage range that can work is 2.0V to 6V.
LN4871 Product Overview:
LN4871 is a monaural bridge audio power amplifier circuit that can provide stable output of 3W power for a 3Ω load under 5V input voltage conditions, with total harmonic distortion and noise not exceeding 10%. In order to ensure the battery life of portable devices, when the LN4871 enable terminal is connected to VDD, the chip enters shutdown mode, in which IQ<0.1uA (Typ.).
LN4871 is specifically designed for portable products that require high power output and high fidelity requirements. Only requiring minimal external components, dedicated to high-quality audio power amplification. The voltage range that can work is 2.0V to 6V.
LN4871 has a built-in overheat shutdown circuit and a built-in noise cancellation circuit, which can eliminate the clicking or popping sound during the chip startup and shutdown process. Stable gain, adjustable external gain.
LN4871 Applications:
Low voltage powered audio system
Laptops and desktop computers
Portable TV
LN4871 Key indicators:
Power output @ 10% THD+N&VDD=5V 1KHz
RL=3Ω 3W(typ.)
RL=4Ω 2.5W(typ.)
Turn off current 0.1uA (typ.)
Supply voltage 2.0V~6.0V
THD@1KHz 1W 8Ω 0.5%(max)
LN4871 Product Features:
No output coupling capacitor, bootstrap capacitor or buffer circuit
Stable fixed gain
Thermal shutdown function
Ultra small package: SOP8, ESOP8, etc
External gain control
LN4871 Package:
SOP8
ESOP8
LN4871 Pin configuration:
LN4871 Functional Block Diagram:
LN4871 is a monaural bridge audio power amplifier circuit that can provide stable output of 3W power for a 3Ω load under 5V input voltage conditions, with total harmonic distortion and noise not exceeding 10%. In order to ensure the battery life of portable devices, when the LN4871 enable terminal is connected to VDD, the chip enters shutdown mode, in which IQ<0.1uA (Typ.).
LN4871 is specifically designed for portable products that require high power output and high fidelity requirements. Only requiring minimal external components, dedicated to high-quality audio power amplification. The voltage range that can work is 2.0V to 6V.
LN4871 has a built-in overheat shutdown circuit and a built-in noise cancellation circuit, which can eliminate the clicking or popping sound during the chip startup and shutdown process. Stable gain, adjustable external gain.
LN4871 Applications:
Low voltage powered audio system
Laptops and desktop computers
Portable TV
LN4871 Key indicators:
Power output @ 10% THD+N&VDD=5V 1KHz
RL=3Ω 3W(typ.)
RL=4Ω 2.5W(typ.)
Turn off current 0.1uA (typ.)
Supply voltage 2.0V~6.0V
THD@1KHz 1W 8Ω 0.5%(max)
LN4871 Product Features:
No output coupling capacitor, bootstrap capacitor or buffer circuit
Stable fixed gain
Thermal shutdown function
Ultra small package: SOP8, ESOP8, etc
External gain control
LN4871 Package:
SOP8
ESOP8
LN4871 Pin configuration:
LN4871 Functional Block Diagram:
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