The MAX9700CETB from Maxim Integrated is a high-efficiency, filterless Class D audio amplifier that offers both space and power savings for portable audio applications. This particular model is part of the MAX9700 series and is designed to deliver exceptional sound quality with minimal power consumption, making it an ideal choice for battery-powered devices.

Key Features

• High Efficiency: The MAX9700CETB operates with high efficiency, which reduces power usage and extends battery life in portable applications.
• Filterless Operation: Due to its filterless design, this audio amplifier does not require the bulky and costly output filters typically found in traditional Class AB amplifiers.
• Output Power: It is capable of delivering 1.4W into an 8Ω load or 2.2W into a 4Ω load, providing ample power for a wide range of audio applications.
• Low EMI: The device is engineered to produce low electromagnetic interference (EMI), making it suitable for RF-sensitive environments.
• Thermal Protection: Built-in thermal protection ensures the device operates within safe temperature ranges, preventing damage from overheating.

Applications

The MAX9700CETB is versatile and can be used in a variety of portable audio devices. Its primary applications include:

• Mobile Phones
• PDAs
• Portable Media Players
• Handheld Gaming Devices
• Notebook Computers

Technical Specifications

The device comes in a compact 12-pin TDFN package and operates over a wide supply voltage range from 2.7V to 5.5V. It also features a low 0.01% THD+N (Total Harmonic Distortion plus Noise) at 1kHz, which contributes to its clean audio output. The MAX9700CETB is fully specified over the extended -40°C to +85°C temperature range, accommodating a broad spectrum of environmental conditions.

Ordering Information

The MAX9700CETB can be ordered with different options to suit individual design needs. For detailed ordering information and to request samples or datasheets, interested parties should visit Maxim Integrated's official website or contact an authorized distributor.