LM339AM

Current - Output (Typ):	18mA @ 5V
Base Part Number:	LM339
Supplier Device Package:	14-SOP
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Hysteresis:	--
Propagation Delay (Max):	--
CMRR, PSRR (Typ):	--
Current - Quiescent (Max):	2.5mA
Series:	--
Current - Input Bias (Max):	0.25µA @ 5V
Voltage - Input Offset (Max):	2mV @ 5V
Voltage - Supply, Single/Dual (±):	2 V ~ 36 V, ±1 V ~ 18 V
Output Type:	DTL, MOS, Open-Collector, TTL
Number of Elements:	4
Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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< p>Comparators is an essential part of many analog-to-digital and digital-to-analog systems for conditioning and indicating signals. LM339AM is a quad open collector comparator with high speed, large common mode range, small temperature drift and wide supply voltage range. It has a wide range of applications from small digital applications to large industrial control systems.< p>The LM339AM is a monolithic integrated circuit constructed with NPN transistors in an open-collector configuration. The open-collector output staging allows for a high output current to be delivered for driving larger loads such as relays and high-power LEDs. It comes in a variety of packages such as 8-pin DIP, 8-pin SOIC, 16-pin SOIC, and 16-pin QFN.< p>The LM339AM operates with a supply voltage ranging from 0V to 30V and a common mode voltage range of 0V to VCC - 0.2V. It is designed to operate over a temperature range of -40°C to +125°C and is also available in an extended temperature range of -55°C to +125°C. The output type of the LM339AM is an open collector and the maximum output current is 50mA, making it suitable for driving relays, LEDs or other loads.< p>The basic operating principle of the LM339AM is using an op amp to compare two input voltages and then use an open collector output to indicate the result. The basic circuit for the LM339AM is a differential input stage with a feedback loop, which amplifies the difference between the two input voltages. The LM339AM is also capable of single-ended operation, where only a single input voltage is used with a fixed reference voltage.< p>The LM339AM has a number of applications such as level sensing, threshold detection, switching, relay control, LED control and interfacing with digital logic. It is often used in industrial and automotive applications to sense voltage levels and generate signals to indicate the presence of the input voltage. It can also be used to control relays, LEDs, solenoid and other loads in order to enable or disable certain features or functions.< p>The LM339AM is a versatile device, capable of being used in a wide range of applications. Its small size and high speed make it ideal for portable electronics and industrial control systems. It is also quite economical, allowing it to be used in both small and large-scale applications.

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