MAX978EEE+T

Current - Output (Typ):	--
Base Part Number:	MAX978
Supplier Device Package:	16-QSOP
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Hysteresis:	4mV
Propagation Delay (Max):	28ns
CMRR, PSRR (Typ):	95dB CMRR, 100dB PSRR
Current - Quiescent (Max):	650µA
Series:	--
Current - Input Bias (Max):	0.075µA @ 5.5V
Voltage - Input Offset (Max):	2mV @ 5V
Voltage - Supply, Single/Dual (±):	2.7 V ~ 5.5 V
Output Type:	CMOS, Rail-to-Rail, TTL
Number of Elements:	4
Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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.Introduction
The MAX978EEE+T is a linear-comparator, which is typically used for applications involving the comparison of two different voltage levels. It features an advanced architecture that helps reduce the system cost, improve operational flexibility and simplify the design. The MAX978EEE+T provides four integrated voltage comparators, making it an efficient alternative to multiple discrete comparators.Features
The MAX978EEE+T is an integrated circuit (IC) and features three key characteristics:

• High Input Impedance: The device provides a high input impedance with a maximum input voltage of up to 16V, allowing it to be used in a variety of high voltage applications.
• Hysteresis: The device features hysteresis, which helps reduce noise and ensure that the output is stable and reliable.
• Low Power Consumption: The MAX978EEE+T consumes very low power, making it an ideal solution for battery-powered applications.

Application Fields
The MAX978EEE+T is a versatile linear-comparator, and it can be used in a variety of applications, including:

• Automotive:The MAX978EEE+T can be used in automotive applications, such as fuel tank, braking and airbag systems.
• Industrial:The MAX978EEE+T is used in a wide range of industrial applications, such as process control, humidity, pressure and temperature sensors.
• Medical:The device is used in medical applications, such as pulse oximetry and blood glucose monitoring.
• Consumer Electronics:The MAX978EEE+T is also used in consumer electronics, such as digital cameras and cell phones.

Working Principle
The working principle of the MAX978EEE+T is based on the comparison of the voltages at its two inputs, IN1 and IN2. When the voltage at IN1 is equal to or greater than the voltage at IN2, the device outputs LOW. Conversely, when the voltage at IN1 is lower than the voltage at IN2, the device outputs HIGH. The output of the device can be switched by adjusting the value of the reference voltage Vref.The device also features hysteresis, which helps to ensure that the device is more accurate and stable during the comparison process. Hysteresis can be defined as the difference between the two switching thresholds of the device. When the voltage difference between IN1 and IN2 is greater than the hysteresis value, the output would remain in its previous state.Conclusion
The MAX978EEE+T is a linear-comparator, typically used for applications involving the comparison of two different voltage levels. It features an advanced architecture that helps reduce the system cost, improve operational flexibility and simplify the design. The device is ideal for a variety of applications, including automotive, industrial, medical and consumer electronics. The working principle of the MAX978EEE+T is based on the comparison of the voltages at its two inputs and it also features hysteresis, which helps to ensure that the device is more accurate and stable during the comparison process.

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