Texas Instruments LM4871M/NOPB
| Parameters | |
|---|---|
| Series | Boomer® |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Supplier Device Package | 8-SOIC |
| Voltage - Supply | 2V ~ 5.5V |
| Max Output Power x Channels @ Load | 3W x 1 @ 3Ohm |
| Features | Shutdown, Thermal Protection |
| Package | Tube |
| Product Status | Active |
| Base Product Number | LM4871 |
| REACH Status | REACH Unaffected |
| Standard Package | 95 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
The LM4871M/NOPB is a high-performance, monolithic Class AB audio power amplifier from Texas Instruments, designed to deliver up to 3W of continuous average power into a 3Ω load with less than 10% total harmonic distortion (THD) when powered by a 5V supply. This device is part of the Boomer® series, optimized for high power and high fidelity audio output with minimal external components required. It operates on a wide supply voltage range from 2.0V to 5.5V and is available in an 8-pin SOIC package.
LM4871M/NOPB Amplifier IC Features
The LM4871M/NOPB offers several key features that make it suitable for a variety of audio applications. It requires no output coupling capacitors, bootstrap capacitors, or snubber networks, reducing system complexity and cost. The device features a micropower shutdown mode with a typical current draw of 0.6µA, making it ideal for low-power portable applications. Additional features include thermal shutdown protection, unity-gain stability, and external gain configuration capability. The amplifier also supports a wide operating temperature range of -40°C to 85°C, ensuring reliability in various environmental conditions.
Amplifier IC LM4871M/NOPB Applications
The LM4871M/NOPB is well-suited for applications requiring high-quality audio output with low power consumption. Its ability to deliver up to 3W of power into a 3Ω load makes it ideal for portable and desktop computers, where space and power efficiency are critical. It is also commonly used in low-voltage audio systems, providing clear and efficient sound reproduction. The device’s compact 8-pin SOIC package further enhances its suitability for space-constrained designs.
Advantages of Choosing LM4871M/NOPB
Selecting the LM4871M/NOPB offers several advantages for designers and engineers. Its ability to deliver high power with minimal distortion ensures excellent audio performance, while the micropower shutdown mode conserves battery life in portable devices. The device’s wide supply voltage range and compatibility with low-impedance loads provide flexibility in system design. Additionally, the LM4871M/NOPB’s robust thermal protection and low component count simplify implementation and reduce overall system cost.
