TC75W70L8X,LF Integrated Circuits (ICs) |
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Allicdata Part #: | TC75W70L8XLFTR-ND |
Manufacturer Part#: |
TC75W70L8X,LF |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Toshiba Semiconductor and Storage |
Short Description: | IC OPAMP CMOS COMPARATOR SOT-902 |
More Detail: | Comparator General Purpose Push-Pull SOT-902 |
DataSheet: | TC75W70L8X,LF Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Current - Output (Typ): | 18mA @ 3V |
Supplier Device Package: | SOT-902 |
Mounting Type: | Surface Mount |
Package / Case: | 8-UFQFN Exposed Pad |
Operating Temperature: | -40°C ~ 85°C |
Hysteresis: | -- |
Propagation Delay (Max): | 800ns |
CMRR, PSRR (Typ): | -- |
Current - Quiescent (Max): | 47µA |
Series: | -- |
Current - Input Bias (Max): | 1pA @ 3V |
Voltage - Input Offset (Max): | 6mV @ 3V |
Voltage - Supply, Single/Dual (±): | 1.3 V ~ 5.5 V |
Output Type: | Push-Pull |
Number of Elements: | 2 |
Type: | General Purpose |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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Linear-comparators are analog circuits that compare two analog quantities, usually voltage levels. A Comparator circuit has two inputs and one output. When the input at one of the reference terminals is greater than the input at the other reference terminal, the output goes high, otherwise the output stays low. One of the most common linear-comparators are based on the TC75W70L8X which is a 5 V supply voltage single-supply comparator.
Working Principle
The main working principle behind the TC75W70L8X comparator is the differential amplifier. This type of amplifier consists of two input signals, a positive and a negative signal, that are applied to the two input terminals of the amplifier circuit. The amplifier then amplifies the difference between the two input signals and produces an output signal of either positive or negative depending on which of the two signals is larger.
In this particular case the TC75W70L8X comparator uses an analog multiplexer (MUX) to enable multi-channel input comparison and the outputs are relayed to a differential amplifier, which amplifies and drives an output signal. This output signal, which is typically a voltage, is compared to a programmed reference voltage. If the output is greater than the reference voltage, then the output of the comparator will be high. Similarly, if the output is less than the reference voltage, then the comparator will output a low signal.
Application Field
Compared to general purpose applications, the TC75W70L8X comparator is mostly used in temperature measurement, level control systems and signal processing circuits ranging from audio systems to complex motor control and power supply circuits.
The comparator is also used heavily in signal processing applications where two or more analog signals need to be compared. For example in a media player, the user needs to continuously track the voltage levels of the incoming and outgoing audio signals for optimum sound quality. The TC75W70L8X comparator can be used in this application to set a reference level which the user is monitoring and adjust the incoming/outgoing voltage accordingly.
The comparator can also be used in level control and motor control circuits, as the inputs may vary over time and the comparator can be used to monitor the input and adjust the output accordingly.
The comparator is also being used in hysteresis systems. Hysteresis systems are designed to control how the output responds to changes in the input. When the input is below the reference level, the output responds in one manner, while when the input is above the reference level, the output responds in another manner. For example, in a variable speed motor, the output would increase until a certain reference level is reached and then decrease, creating an on-off cycle. By adding a comparator circuit, the reference level can be monitored and the output automatically adjusted accordingly in order to maintain an ideal operating speed.
The linear-comparator based on the TC75W70L8X is a highly versatile and useful device which is finding its applications in a variety of fields from media playback to motor control. With its easy-to-use operation and highly accurate outputs, the TC75W70L8X comparator is sure to make its mark across a number of different industries.
The specific data is subject to PDF, and the above content is for reference
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