The Texas Instruments LM4861MX/NOPB is a high-performance mono audio amplifier designed for delivering clear sound in compact electronic systems. It offers 1.1W of continuous output power with low distortion, making it a reliable choice for consumer electronics, industrial devices, and embedded applications. With its small form factor and efficient Class-AB design, this device balances power, performance, and ease of integration. In this comprehensive article, we'll delve into the intricacies of the LM4861MX/NOPB, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
The LM4861MX/NOPB is a single-channel Class-AB audio power amplifier from Texas Instruments. It is optimized to drive an 8Ω speaker with 1.1W output power while maintaining minimal total harmonic distortion. The device is built for single-supply operation and is packaged in an 8-pin SOIC with gull-wing leads for surface mounting.
Let's delve into the standout features that make the LM4861MX/NOPB a standout in the world of electronics:
· The amplifier delivers 1.1W output power at 8Ω load with clear audio quality.
· The device operates with a single power supply from 2V to 5.5V.
· The amplifier provides 0.72% total harmonic distortion at 1W output.
· The device offers low quiescent current of 10mA at 5V supply.
· The amplifier supports operating temperature from -40°C to 85°C.
· The device is packaged in a compact SOIC-8 surface-mount form.
Now, let's take a closer look at the technical specifications that define the capabilities of the LM4861MX/NOPB:
Type | Parameter |
Function | Speaker |
Amplifier Type | Class-AB |
THDN | 0.72%@8Ohm@1W |
Output Signal Type | Single |
Output Type | 1-Channel Mono |
Minimum Single Supply Voltage (V) | 2 |
Typical Single Supply Voltage (V) | 5 |
Maximum Single Supply Voltage (V) | 5.5 |
Maximum Quiescent Current (mA) | 10@5V |
Power Supply Type | Single |
Typical Output Power x Channels @ Load (W) | 1.1x1@8Ohm |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 85 |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 1.5(Max) |
Package Width | 3.98(Max) |
Package Length | 5(Max) |
PCB changed | 8 |
Standard Package Name | SO |
Supplier Package | SOIC |
Pin Count | 8 |
Lead Shape | Gull-wing |
The LM4861MX/NOPB is designed for compact audio systems that require efficient amplification.
· Portable audio devices
· Consumer electronics
· Embedded systems with speaker output
· Industrial communication systems
· Battery-powered electronics
Texas Instruments (TI),?established in 1930, is a global leader in semiconductor and technology solutions, known for its pioneering contributions to the electronics industry. Specializing in the design and manufacture of analog and digital circuits, microcontrollers, and processors, TI has played a pivotal role in shaping technological advancements across diverse sectors, including industrial, automotive, consumer electronics, and communication.
The TI LM4861MX/NOPB audio amplifier is a compact, reliable solution for applications needing clear mono sound in a small footprint. Its Class-AB efficiency, low distortion, and proven TI quality make it a go-to choice for engineers building modern electronic devices.