LM386N-4/NOPB
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Texas Instruments LM386N-4/NOPB

Manufacturer No:
LM386N-4/NOPB
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC AMP CLASS AB MONO 1W 8DIP
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Payment:
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Product Introduction

Overview

The LM386N-4/NOPB is a low-voltage audio power amplifier IC produced by Texas Instruments. This device is designed for use in various consumer applications, particularly where low power consumption and simplicity are crucial. The LM386N-4/NOPB is part of the LM386 family, known for its high integration and ease of use, with an internally set gain of 20 that can be adjusted up to 200 using external components.

This amplifier is suitable for driving loads from 4 Ω to 32 Ω and operates over a wide supply voltage range of 5 V to 18 V. It is available in an 8-pin PDIP package, making it versatile for different application needs.

Key Specifications

Attribute Value
Amplifier Type Audio Power Amplifier
Output Type 1 Channel Mono
Maximum Power 1W @ 32 Ω
Amplifier Class Class A-B
Mounting Type Through Hole
Typical Single Supply Voltage 5 V to 18 V
Power Supply Type Single
Package Type MDIP (8-pin)
Pin Count 8
Input Signal Type Single Ended
Output Signal Type Single Ended
Minimum Operating Temperature 0 °C
Maximum Operating Temperature +70 °C
Dimensions 9.27 x 6.35 x 3.3 mm
Quiescent Current 4 to 8 mA @ VS = 6 V
Voltage Gain 26 dB to 46 dB
Bandwidth 300 kHz
Total Harmonic Distortion (THD) 0.2% @ VS = 6 V, RL = 8 Ω, POUT = 125 mW
Power Supply Rejection Ratio (PSRR) 50 dB @ VS = 6 V, f = 1 kHz

Key Features

  • Internally Set Gain: The gain is internally set to 20 but can be adjusted from 20 to 200 using external resistors and capacitors between pins 1 and 8.
  • Wide Operating Voltage Range: Operates from a supply voltage of 5 V to 18 V.
  • Low Power Consumption: Quiescent power drain is only 24 mW when operating from a 6-V supply, making it suitable for battery-operated devices.
  • Thermal and Overload Protection: Includes thermal overload, short-circuit, and safe operating area protection.
  • High Input Resistance: Input resistance of 50 kΩ.
  • Compact Packaging: Available in an 8-pin PDIP package.
  • Flexible Configuration: Can be used in various configurations to fit different application needs.

Applications

  • Consumer Electronics: Suitable for use in low-voltage consumer applications such as portable radios, intercoms, and other audio devices.
  • Audio Systems: Can be used in simple audio amplifiers, speaker systems, and other audio equipment.
  • Battery-Operated Devices: Ideal for battery-powered devices due to its low power consumption.
  • Educational Projects: Often used in educational projects and DIY audio circuits due to its simplicity and ease of use.

Q & A

  1. What is the maximum output power of the LM386N-4/NOPB?

    The maximum output power is 1W when driving a 32 Ω load.

  2. What is the typical supply voltage range for the LM386N-4/NOPB?

    The typical supply voltage range is from 5 V to 18 V.

  3. How can the gain of the LM386N-4/NOPB be adjusted?

    The gain can be adjusted from 20 to 200 by placing a resistor and capacitor between pins 1 and 8.

  4. What is the operating temperature range of the LM386N-4/NOPB?

    The operating temperature range is from 0 °C to +70 °C.

  5. What type of package does the LM386N-4/NOPB come in?

    The LM386N-4/NOPB comes in an 8-pin PDIP package.

  6. What is the quiescent current of the LM386N-4/NOPB at 6 V supply voltage?

    The quiescent current is between 4 mA and 8 mA at a 6 V supply voltage.

  7. Does the LM386N-4/NOPB have built-in thermal protection?

    Yes, it includes thermal overload, short-circuit, and safe operating area protection.

  8. What is the input resistance of the LM386N-4/NOPB?

    The input resistance is 50 kΩ.

  9. Can the LM386N-4/NOPB be used in battery-operated devices?

    Yes, it is suitable for battery-operated devices due to its low power consumption.

  10. What is the bandwidth of the LM386N-4/NOPB?

    The bandwidth is 300 kHz.

Product Attributes

Type:Class AB
Output Type:1-Channel (Mono)
Max Output Power x Channels @ Load:1W x 1 @ 32Ohm
Voltage - Supply:5V ~ 18V
Features:- 
Mounting Type:Through Hole
Operating Temperature:0°C ~ 70°C (TA)
Supplier Device Package:8-PDIP
Package / Case:8-DIP (0.300", 7.62mm)
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Similar Products

Part Number LM386N-4/NOPB LM386N-1/NOPB LM386N-3/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Type Class AB Class AB Class AB
Output Type 1-Channel (Mono) 1-Channel (Mono) 1-Channel (Mono)
Max Output Power x Channels @ Load 1W x 1 @ 32Ohm 325mW x 1 @ 8Ohm 700mW x 1 @ 8Ohm
Voltage - Supply 5V ~ 18V 4V ~ 12V 4V ~ 12V
Features - - -
Mounting Type Through Hole Through Hole Through Hole
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Supplier Device Package 8-PDIP 8-PDIP 8-PDIP
Package / Case 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm)

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