NCP2820 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

NCP2820
Manufacturer

ON Semiconductor
ChipWorker Part#

CW361597270
RoHS

Lead free / RoHS Compliant
Description

2.65W Filterless Class−D Audio Power Amplifier
Documentation

Datasheet

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NCP2820 Specifications

Attribute	Attribute Value

Part Number	NCP2820
Manufacturer	ON Semiconductor
ChipWorker Part#	CW361597270
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

The NCP2820 is a cost-effective mono Class-D audio power amplifier capable of delivering 2.65W of continuous average power to 4 Ohm Bridge Tied Load from a 5V supply. Under the same conditions, the output power stage can provide 1.4W to a 8 Ohm BTL load with less than 1% THD+N. For cellular handsets or PDAs, it offers sapce and cost savings because no output filter is required when using inductive transducers. With more than 90% efficiency and very low shutdown current it increases the lifetime of your battery and drastically lowers the junction temperature.The NCP2820 processes analog inputs with a pulse width modulation technique that lowers output noise and THD when compared to a conventional sigma-delta modulator. The device allows independent gain while summing signals from various audio sources. Thus, in cellular handsets, the earpiece, the loudspeaker and even the melody ringer can be driven with a single NCP2820. Due to its low 42uV noise floor, A-weighted, a clean listening is guaranteed no matter the load sensitivity.
Features
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Optimized PWM Output Stage: Filterless Capability
Efficiency up to 90% and Low 2.5mA Typical Quiescent Current
Large Output Power Capability: 1.4W with 8Ω Load and THD+N<1%
Wide Supply Voltage Range: 2.5-5.5V Operating Voltage
High Performance, THD+N of 0.03%@Vp=5V, RL=8Ω, Pout=100mW
Excellent PSRR (-65dB): No Need for Voltage Regulation
Surface Mounted Package 9-Pin Flip-Chip CSP (SnPb and Pb-Free)
Fully Differential Design. Eliminates Two Input Coupling Capacitors
Very Fast Turn On/Off Times with Advanced Rising and Falling Gain Technique
External Gain Configuration Capability
Internally Generated 250kHz Switching Frequency
Short Circuit Protection Circuitry
Pop & Click Noise Protection Circuitry

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