ON Semiconductor FSC2903DR2
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- FSC2903DR2
- ON Semiconductor
- ANA LO VOLT.COMP'TOR DUAL
- Linear - Comparators
- FSC2903DR2 Datasheet
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- Bulk
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What is FSC2903DR2
ON Semiconductor Part Number FSC2903DR2（Linear - Comparators）, developed and manufactured by ON Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
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FSC2903DR2 Specifications
- Part NumberFSC2903DR2
- CategoryLinear - Comparators
- ManufacturerON Semiconductor
- DescriptionANA LO VOLT.COMP'TOR DUAL
- PackageBulk
- Series-
- Type-
- Operating Temperature-
- Mounting Type-
- Package / Case-
- Supplier Device Package-
- Output Type-
- Voltage - Supply, Single/Dual (±)-
- Number of Elements-
- Voltage - Input Offset (Max)-
- Current - Input Bias (Max)-
- Current - Quiescent (Max)-
- Propagation Delay (Max)-
- CMRR, PSRR (Typ)-
- Current - Output (Typ)-
- Hysteresis-
Application of FSC2903DR2
FSC2903DR2 Datasheet
FSC2903DR2 Datasheet , Bulk
FSC2903DR2 Classification
Linear - Comparators
FAQ about Linear - Comparators
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1. What is a logic level comparator?
A logic level comparator is an electronic device that compares the magnitude of two voltage signals and outputs a corresponding high or low level according to the comparison result. Comparators are usually used in applications such as digitization of analog signals, voltage comparison and triggering.
Working Principle
A comparator is usually composed of a differential amplifier with two input terminals (positive input terminal and negative input terminal) and an output terminal. When the voltage at the positive input is higher than that at the negative input, the output voltage is high; when the voltage at the negative input is higher than that at the positive input, the output voltage is low. When the voltages at the two inputs are equal, the output voltage depends on the characteristics of the comparator. There may be a certain offset voltage, or the output is in an uncertain state. -
2. What are the most common comparators?
The most common types of comparators include zero-level comparators (zero-crossing comparators), arbitrary-level comparators (captured-zero comparators), and hysteresis comparators (Schmitt triggers).
Zero-level comparator (zero-crossing comparator)
The reference voltage of the zero-level comparator (zero-crossing comparator) is zero. When the input voltage crosses the threshold voltage, the output voltage jumps. This type of comparator can be divided into two types: inverting input and non-inverting input according to the different input methods. Its transfer characteristics are drawn by finding the threshold and analyzing the output voltage change law when the input voltage changes from the lowest to the highest and from the highest to the lowest.
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3. What is an inverting non-inverting comparator?
Inverters and non-inverters are two common circuit elements in electronics, and they play an important role in circuit design and signal processing.
Inverter
An inverter is a circuit element that can output the input signal in reverse. In electronics, inverters are often used in circuit designs such as signal amplification, filtering, and logic gates. Its working principle is as follows:
Working principle: Inverters usually use transistors or op amps as core components. Taking the transistor inverting amplifier circuit as an example, when the input signal is a positive voltage, the transistor is in the on state and the output signal is a low level; when the input signal is a negative voltage, the transistor is in the off state and the output signal is a high level.
Features: The output signal phase of the inverter is 180 degrees different from the input signal phase, the gain is stable, and it is often used for signal amplification and phase reversal.
Is the comparator linear or nonlinear?
Comparators are nonlinear.
A comparator is a nonlinear device, usually composed of an operational amplifier (op amp), and is mainly used in nonlinear state applications. The main function of a comparator is to compare the size of two input signals and output a high or low level signal based on the comparison result. Since the gain of the comparator is very large, after the input signal passes through the comparator, the output has only two states: high level and low level. This characteristic makes the comparator play an important role in circuit design and application.
Definition and difference between linearity and nonlinearity
Linear device: The output maintains a linear relationship with the input, that is, the output is a function of the input, and the slope remains unchanged. For example, the operational amplifier works in the linear region with negative feedback.
Nonlinear device: The output does not maintain a linear relationship with the input, and the output is a nonlinear function of the input. The comparator works in the nonlinear region without negative feedback or positive feedback, and the output has only two states: high level and low level.
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