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LM4766T
+NomenclatureAUDIO AMPLIFIER, 40W, 2 CHANNEL(
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FabricantSemi - conducteurs nationaux
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Pièce fabricant #LM4766T
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Fiche technique LM4766T DataSheet
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Package TO-220
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En stock7378
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Spécifications
| Attribut | Valeur |
| Package | Bulk |
| Series | Overture™ |
| ProductStatus | Active |
| Type | Class AB |
| OutputType | 2-Channel (Stereo) |
| MaxOutputPowerxChannels@Load | 40W x 2 @ 8Ohm |
| Voltage-Supply | 20V ~ 60V, ±10V ~ 30V |
| MountingType | Through Hole |
| OperatingTemperature | -20°C ~ 85°C (TA) |
| SupplierDevicePackage | TO-220-15 |
Présentation
Description
Key features of the LM4766T include a wide supply voltage range, low Total Harmonic Distortion plus Noise (THD+N), and a high signal-to-noise ratio, ensuring clear and accurate audio reproduction. The IC also integrates advanced protection mechanisms such as thermal shutdown, output current limiting, and short-circuit protection to enhance reliability and safeguard against potential damage.
The chip comes in a TO-220 package, which aids in heat dissipation and allows easy mounting on heat sinks. The LM4766T is popular among DIY audio enthusiasts and professional audio equipment manufacturers due to its robustness, efficiency, and high-fidelity audio output.
Equivalent
Features
1. Output Power: Delivers up to 40W per channel in stereo mode into an 8-ohm load.
2. Low Distortion: Provides low Total Harmonic Distortion plus Noise (THD+N) for high-quality audio output.
3. Mute Function: Includes a mute feature for noise-free operation during power-up and shutdown.
4. Thermal Protection: Equipped with thermal shutdown circuitry to prevent damage from overheating.
5. Short Circuit Protection: Safeguards against short circuits by shutting down the output stage when necessary.
6. Wide Supply Voltage Range: Operates from a supply voltage range of ±10V to ±40V, accommodating various power supply designs.
7. High Signal-to-Noise Ratio: Ensures clear audio reproduction by minimizing background noise.
8. Minimal External Components: Simplifies design and reduces board space requirements.
9. Efficient Heat Dissipation: The TO-220 package allows effective heat dissipation.
These features make the LM4766T suitable for home stereo systems, televisions, and other audio applications.
Pinout
Key pin functions include:
- Power Supply Pins: V+ (positive voltage supply) and V- (negative voltage supply).
- Output Pins: OUT1 and OUT2 for connecting to the loudspeakers.
- Input Pins: IN1 and IN2 for audio input signals.
- Feedback Pins: INV1 and INV2 for inverting inputs, allowing stabilization and gain setting with external components.
- Mute Pins: MUTE1 and MUTE2 control muting of the output signal.
- Bootstrap Pins: BS1 and BS2 are used with external capacitors to enhance performance at low voltage.
- Ground: GND pin for common ground reference.
- Signal Ground: SGND for minimizing ground loop interference.
This configuration ensures efficient amplification with low distortion, suitable for high-quality audio applications.