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LM380N
+NomenclatureIC AMP CLASS AB MONO 2.5W 14DIP
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FabricantTexas Instruments
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Pièce fabricant #LM380N
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En stock3650
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Base Product Number | LM380 |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 2.5W x 1 @ 8Ohm |
| Voltage - Supply | 10V ~ 22V |
| Features | Short-Circuit and Thermal Protection |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Supplier Device Package | 14-PDIP |
| Package | 14-DIP (0.300", 7.62mm) |
| Packaging | Tube |
Présentation
Description
Key features of the LM380N include:
1. Internal Gain: Fixed internal gain of 34 dB simplifies design and reduces external components.
2. Output Protection: Built-in protection against output short circuits and thermal overload ensures reliability.
3. Low Distortion: Offers low Total Harmonic Distortion (THD) for clear audio reproduction.
4. Minimal External Components: Requires minimal additional components for basic operation.
The LM380N is typically housed in a 14-pin dual in-line package (DIP), making it easy to implement in various circuit designs. Its simplicity and efficiency make it suitable for a wide range of audio applications, including small radios, televisions, and intercom systems.
Equivalent
Features
1. Output Power: It can deliver up to 2.5 watts of output power into an 8-ohm load with low distortion, making it suitable for small audio amplifying tasks.
2. Wide Supply Voltage Range: The LM380N operates across a voltage range of 10V to 22V, providing flexibility in different power supply environments.
3. High Input Impedance: This feature ensures that the amplifier does not load down the preceding stage, maintaining signal integrity.
4. Minimal External Components: The device requires a minimal number of external components, simplifying the design and reducing the overall cost.
5. Thermal Protection: Built-in thermal shutdown to prevent overheating, enhancing reliability.
6. Low Quiescent Current: The device is energy-efficient, with low power consumption when idle.
7. Internally Compensated: This simplifies design requirements, providing stable operation without the need for additional frequency compensation components.
8. Short Circuit Protection: Safeguards the device against short circuits, protecting both the circuitry and connected components.
These features make the LM380N ideal for compact, efficient audio amplification in a variety of consumer applications.
Pinout
1. Pin 1 & 14: Ground (GND) - Connected to the ground of the circuit.
2. Pin 2 & 3: Input - Non-inverting input terminal.
3. Pin 4 & 5: Gain setting/Bypass - Used for gain control and bypassing.
4. Pin 6: +VCC - Positive power supply voltage.
5. Pin 7: Output - Provides the amplified audio signal.
6. Pin 8: Com (Common) - Connected to the load and serves as a reference.
7. Pin 9 & 10: Output - The second output terminal, typically connected to the speaker.
8. Pin 11: -VEE - Negative power supply voltage.
9. Pin 12 & 13: Unused - Reserved for internal connections, usually left unconnected.
The LM380N is designed for low distortion audio amplification and can deliver up to 2.5 watts of power into an 8-ohm load, making it suitable for driving small speakers in various audio applications.
Manufacturer
In 2011, National Semiconductor was acquired by Texas Instruments, a major American technology company and one of the world's largest manufacturers of semiconductors. Texas Instruments focuses on the design and production of a wide range of semiconductor products, including analog chips, digital signal processors, microcontrollers, and more. As part of Texas Instruments, the legacy products of National Semiconductor, like the LM380N, continue to be supported and manufactured.
Application
Package
Frequently Asked Questions
Q: What is the maximum output power of the LM380N?
A: The LM380N delivers 2.5W into an 8Ω load from a single supply, ideal for audio amplification.
Q: What is the recommended voltage supply range for the LM380N?
A: The LM380N operates with a supply voltage from 10V to 22V, allowing flexible system power design.
Q: Does the LM380N include any protection features?
A: Yes, it features built-in short-circuit and thermal protection to enhance reliability in harsh conditions.
Q: What is the output configuration of the LM380N?
A: It is a single-channel (mono) Class AB audio amplifier, suitable for mono speaker applications.
Q: Can the LM380N be used in through-hole PCB designs?
A: Yes, it comes in a 14-pin PDIP package, designed for through-hole mounting on standard boards.
Q: What is the operating temperature range of the LM380N?
A: It operates from 0°C to 70°C, making it suitable for consumer and commercial electronics.