The Infineon IR4322MTRPBF is a high-performance Class-D audio amplifier designed for stereo speaker applications. It delivers exceptional audio clarity, high output power, and energy-efficient operation. Engineers and audio enthusiasts rely on this IC for its reliable performance in modern electronics designs. In this comprehensive article, we'll delve into the intricacies of the IR4322MTRPBF, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
The IR4322MTRPBF is a 2-channel stereo Class-D audio amplifier developed by Infineon Technologies. It converts low-power audio signals into high-power outputs with minimal heat generation. The device supports both single and dual power supply configurations, making it versatile for various audio designs. Its differential output ensures reduced noise and improved audio clarity.
Let's delve into the standout features that make the IR4322MTRPBF a standout in the world of electronics:
· The IR4322MTRPBF delivers 100W per channel at 4Ω load.
· It supports differential output signals for high-quality sound.
· The device operates with a typical single supply voltage of 12V.
· It has a low THDN of 0.02%@4Ω@1W, ensuring minimal distortion.
· Maximum quiescent current is only 3mA at 12V.
· It operates over a wide temperature range from -40°C to 100°C.
· The amplifier comes in a compact 44-pin PQFN EP package.
· It allows surface mount installation for modern PCB designs.
· Maximum power dissipation reaches 25W for high-performance audio systems.
· Input offset voltage is minimal at 18mV, supporting accurate amplification.
Now, let's take a closer look at the technical specifications that define the capabilities of the IR4322MTRPBF:
Type | Parameter |
Function | Speaker |
Amplifier Type | Class-D |
Typical Gain Bandwidth Product (MHz) | 9 |
THDN | 0.02%@4Ohm@1W |
Output Signal Type | Differential |
Output Type | 2-Channel Stereo |
Maximum Input Offset Voltage (mV) | 18 |
Minimum Single Supply Voltage (V) | 10 |
Typical Single Supply Voltage (V) | 12 |
Maximum Single Supply Voltage (V) | 15 |
Minimum Dual Supply Voltage (V) | ±5 |
Maximum Dual Supply Voltage (V) | ±7.5 |
Maximum Input Bias Current (uA) | 0.04@12V |
Maximum Quiescent Current (mA) | 3@12V |
Power Supply Type | Dual|Single |
Typical Output Power x Channels @ Load (W) | 100x2@4Ohm |
Maximum Power Dissipation (mW) | 25000 |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 100 |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 0.95(Max) mm |
Package Width | 7 mm |
Package Length | 7 mm |
PCB changed | 44 |
Standard Package Name | QFN |
Supplier Package | PQFN EP |
Pin Count | 44 |
Lead Shape | No Lead |
The IR4322MTRPBF is used in:
· Home stereo and theater speaker systems.
· Automotive audio amplifiers for premium sound.
· Portable speaker systems requiring high-efficiency power output.
· Professional PA systems and studio monitors.
· Any design requiring low distortion and high audio fidelity.
Established in 1999, Infineon Technologies has emerged as a global leader in semiconductor solutions, pioneering innovations that power various industries worldwide. Headquartered in Neubiberg, Germany, the company has played a pivotal role in shaping the landscape of modern electronics. Infineon specializes in designing and manufacturing advanced semiconductor technologies, encompassing power management, automotive electronics, industrial applications, and security solutions.
The IR4322MTRPBF is an excellent choice for engineers and designers seeking a compact, efficient, and high-power Class-D audio amplifier. Its low distortion, wide operating range, and versatile power supply options make it suitable for a variety of audio applications. Choosing Infineon ensures not only performance but also reliability in demanding audio systems.