LM2903AQTH-13

Current - Output (Typ):	16mA @ 5V
Supplier Device Package:	8-TSSOP
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Hysteresis:	--
Propagation Delay (Max):	--
CMRR, PSRR (Typ):	--
Current - Quiescent (Max):	1.7mA
Series:	Automotive, AEC-Q100
Current - Input Bias (Max):	250nA @ 5V
Voltage - Input Offset (Max):	7mV @ 5V
Voltage - Supply, Single/Dual (±):	2 V ~ 36 V, ±1 V ~ 18 V
Output Type:	--
Number of Elements:	2
Type:	Differential
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Linear-ComparatorsThe LM2903AQTH-13 is an integrated dual comparator designed to be used in amplifiers, signal conditioning and signal processing. This comparator is designed to compare two inputs that are close in magnitude and produce a logic output when the two are either equal or else differ slightly. The output of the LM2903AQTH-13 is TTL compatible and can be used to directly activate other components such as relays and LEDs. The outputs can also be used to drive logic circuits such as flip-flops and counters.The LM2903AQTH-13 comparator is an improved version of the LM2903A and uses sub-micron technologies to provide higher resolution, longer life and lower cost than its predecessor. The comparator consists of a pair of high-impedance inputs and one low-impedance output. The LM2903AQTH-13 also features ESD protection on the sensitive parts of the chip, allowing it to be used in environments where electrostatic discharge might be present.The LM2903AQTH-13 can be used in a variety of applications, such as AC coupled video circuits, direct digital synthesizers (DDS) and digital frequency resolution. The comparator’s low-power consumption and low-drift design make it especially suited for low-power applications, like battery-powered and portable devices. Additionally, the chip can be used in audio and speech applications to detect tiny differences in waveforms and discriminate between tones.In terms of working principle, the LM2903AQTH-13 comparator compares two input signals with respect to their magnitudes. When an input has more magnitude, its output will be activated, while the other input’s output will remain at a constant logic level. The dynamics of the process depend on the input signal magnitudes and on the hysteresis and offset currents of the comparator. The hysteresis and offset currents determine the hysteresis voltage and the magnitude at which the comparator will activate or deactivate its output.The LM2903AQTH-13 comparator also features internal protection circuitry, which includes protection for the output stage against over-voltage, under-voltage, and over-current. This protection makes the chip suitable for use in environments with a wide range of operating temperatures.The LM2903AQTH-13 is a versatile and cost-effective comparator for a wide range of applications. Its high-impedance inputs provide a high-resolution output at very low power consumption, and its protection circuitry provides protection from external noise and temperature fluctuations. The LM2903AQTH-13 is an excellent choice for any application that requires a TTL compatible logic output that is accurate and stable over time.

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