KA2903D

Current - Output (Typ):	16mA @ 5V
Base Part Number:	KA2903
Supplier Device Package:	8-SOP
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°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):	7mV @ 5V
Voltage - Supply, Single/Dual (±):	2 V ~ 36 V, ±1 V ~ 18 V
Output Type:	--
Number of Elements:	2
Type:	Differential
Part Status:	Obsolete
Packaging:	Tube

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Linear-ComparatorsThe KA2903D is an integrated circuit which is especially designed for applications in linear comparators. A linear comparator is a comparator circuit which acts as a switch when two analog signals are compared. The KA2903D provides an optimal solution for applications in comparators that require high accuracy, fast response times and low power consumption.The working principle of the KA2903D is based on the principle of linear comparison. The linear comparison is based on the comparison between two input signals with the same levels of amplitude. The input signals are compared and compared to the reference voltage of the circuit. If the amplitude of one of the input signals is higher than the reference voltage, then the output of the circuit will be “On” or “Off”, according to the type of comparator circuit being used.The KA2903D is commonly used in applications such as digital-to-analog converters, switches, and video processors. It can be used in a variety of applications, such as in the medical field, where accurate digital-to-analog conversions are necessary.The KA2903D contains two operational amplifiers and four logic inputs. The two operational amplifiers act as the two input devices, while the four logic inputs are responsible for the comparison of the two signals. The comparator will output either a “High” or a “Low” level depending on whether the amplitude of one of the input signals is higher than the reference voltage of the circuit.In addition, the KA2903D has an incomparable low power consumption. This makes it ideal for applications that require high accuracy and fast response times, such as in the medical field.The KA2903D is composed of two stages, the linear stage and the logic stage. The linear stage is the comparison stage in which two input signals are compared to the reference voltage. The logic stage is responsible for the control of the comparator circuit.The linear stage is composed of two operational amplifiers and one reference voltage source. The two operational amplifiers act as the two input devices, while the reference voltage source provides the comparison reference. The output of the linear comparator is either a “High” or a “Low” signal depending on whether the amplitude of one of the input signals is higher than the reference voltage.The logic stage is composed of four logic inputs and two logic outputs. The four logic inputs are responsible for the control of the comparator circuit. Depending on the logic inputs, the logic stage will output either a “High” or a “Low” level depending on whether the amplitude of one of the input signals is higher than the reference voltage.The KA2903D is an ideal solution for linear comparison applications that require high accuracy, fast response times and low power consumption. It can be used in a variety of applications, such as medical equipment and video processors.

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