圖片僅供參考

LM4865M

Name: LM4865M
Rating: 4.7 (12 reviews)

Audio Amplifiers

製造商
製造商。部分 #LM4865M
包
資料表
有現貨的10989

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Packaging	Tube
Standard Pack Qty	95

概述

Description

The LM4865M is a dual-channel audio power amplifier designed for portable audio applications, offering high performance in a compact package. It operates with a supply voltage range of 2.5V to 5.5V, making it suitable for battery-powered devices. This amplifier can deliver up to 1W per channel into an 8-ohm load, ensuring robust audio output.
Key features include low total harmonic distortion (THD) and low output noise, which contribute to high audio quality. The LM4865M also incorporates thermal shutdown and short-circuit protection, enhancing reliability and safety during operation. Its design allows for minimal external components, facilitating easy integration into various applications such as mobile phones, MP3 players, and portable speakers.
The device is available in a small 16-pin package, making it ideal for space-constrained designs. Overall, the LM4865M is a versatile and efficient solution for enhancing audio performance in portable devices.

Features

The LM4865M is a high-performance audio amplifier designed for portable devices. Key features include:
1. Class D Amplification: Offers high efficiency, reducing heat generation and improving battery life.
2. Output Power: Delivers up to 2 watts per channel into a 4-ohm load, making it suitable for driving speakers directly.
3. Low Total Harmonic Distortion (THD): Ensures high sound quality with minimal distortion.
4. Wide Supply Voltage Range: Operates effectively from 2.5V to 5.5V, accommodating various battery configurations.
5. Integrated Thermal Protection: Prevents damage from overheating, enhancing reliability.
6. Low Quiescent Current: Facilitates extended battery life in portable applications.
7. Built-in Short-Circuit Protection: Safeguards the device and speakers in case of faults.
8. Single Supply Operation: Simplifies design and reduces component count.
Overall, the LM4865M is ideal for applications such as mobile phones, portable speakers, and other battery-operated audio devices.

Package

The LM4865M is available in a 28-lead MLP (Micro Leadframe Package) with a compact footprint, suitable for surface mounting.

Pinout

The LM4865M is a dual audio power amplifier with a pin count of 16. It is designed for portable applications and offers low distortion and high efficiency.
### Pin Functions:
1. Pin 1 (GND): Ground reference.
2. Pin 2 (OUT1): Output for the first audio channel.
3. Pin 3 (VDD): Power supply voltage input.
4. Pin 4 (IN1): Input for the first audio channel.
5. Pin 5 (IN2): Input for the second audio channel.
6. Pin 6 (OUT2): Output for the second audio channel.
7. Pin 7: Not internally connected.
8. Pin 8 (MUTE): Mute control for the amplifier.
9. Pin 9-16: Various configurations and bypass capacitors, including gain settings and power management functionalities.
The LM4865M is suitable for driving audio outputs in portable devices such as smartphones and tablets.

Manufacturer

The LM4865M is manufactured by Texas Instruments (TI), a leading global semiconductor design and manufacturing company. Founded in 1930, Texas Instruments specializes in analog and embedded processing technologies. The company is well-known for its extensive portfolio of products, including integrated circuits, microcontrollers, and sensors, serving various industries such as automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in analog electronics and is considered one of the top companies in the semiconductor industry.

Application

The LM4865M is a low-powered audio amplifier commonly used in portable devices, such as portable speakers, personal audio systems, and mobile phones. Its application areas include consumer electronics, computer audio, and small home theater systems. It is designed for driving small speakers or headphones, providing efficient performance with low distortion and minimal heat generation.

Equivalent

The LM4865M is a low-power audio amplifier. Equivalent products include:
1. TPA2005D1 (Texas Instruments)
2. MAX9744 (Maxim Integrated)
3. PAM8403 (Pioneer)
4. LM4871 (Texas Instruments)
5. TDA7052 (NXP)
These alternatives offer similar performance characteristics suitable for audio amplification applications. Always check the specific requirements and datasheets for compatibility.