MAX9770EUI+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Class D
Output Type:	1-Channel (Mono) with Stereo Headphones
Max Output Power x Channels @ Load:	1.2W x 1 @ 8 Ohm; 80mW x 2 @ 16 Ohm
Voltage - Supply:	2.5 V ~ 5.5 V
Features:	Depop, Input Multiplexer, Mute, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	28-TSSOP
Package / Case:	28-TSSOP (0.173", 4.40mm Width)
Base Part Number:	MAX9770

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MAX9770EUI+T is a single-ended audio amplifier with a low-distortion Class D output. It can be used in a variety of applications, from industrial and consumer audio applications to mobile devices and automotive. It is an efficient device, capable of providing more than 70 percent efficiency for typical audio signals. In this article, we will discuss the applications and working principle of the MAX9770EUI+T.The MAX9770EUI+T is suitable for a wide range of applications, including portable audio players, industrial audio systems, and automotive audio systems. The device has flexible audio inputs to accommodate both mono and stereo signals, and a differential input that allows the device to be used in both mono and stereo amplification designs. The device also offers low noise and distortion performance, making it ideal for applications that require high-fidelity audio reproduction.The device operates using a neat Class D architecture, which is a variation on the traditional switching class-D amplifier. The MAX9770EUI+T utilizes a pair of field-effect transistors (FETs), which are driven by an internal oscillator. The FETs act as switches, and the oscillator is responsible for providing the appropriate gate drive signals. In this architecture, the FETs rapidly switch between the source and drain at a high frequency, creating an output current that is proportional to the input signal. The total output power is the sum of the current flowing through each of the FETs. The device can be configured for two operating modes, standard or low-power. In standard mode the device operates with a maximum peak output current of 10 mA, while in low-power mode the peak output current is limited to just 0.8 mA. This allows the device to be used in applications where low-power consumption is important. The device also includes a thermal protection circuit that will shut down the device if the temperature exceeds the specified threshold. The MAX9770EUI+T is a very efficient audio amplifier, capable of providing more than 70 percent efficiency for typical audio signals. This allows for the device to be used in applications where energy efficiency is paramount. In addition, the device features low EMI and ESD performance, making it suitable for audio applications that require high immunity to EMI and ESD.In summary, the MAX9770EUI+T is a single-ended audio amplifier with a low-distortion Class D output. It is an efficient device, capable of providing more than 70 percent efficiency for typical audio signals. It is suitable for a wide range of applications, including portable audio players, industrial audio systems, and automotive audio systems. The device also has low noise and distortion performance, and can be configured for either standard or low-power operating modes. The device is a very efficient audio amplifier with low EMI and ESD performance, making it suitable for audio applications that require high immunity to EMI and ESD.

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