TC75S57FU(TE85L,F) Integrated Circuits (ICs) |
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Allicdata Part #: | TC75S57FU(TE85LF)TR-ND |
Manufacturer Part#: |
TC75S57FU(TE85L,F) |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Toshiba Semiconductor and Storage |
Short Description: | IC C0MP GP CMOS PUSH-PULL USV |
More Detail: | Comparator General Purpose Push-Pull USV |
DataSheet: | TC75S57FU(TE85L,F) Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Current - Output (Typ): | 25mA |
Supplier Device Package: | USV |
Mounting Type: | Surface Mount |
Package / Case: | 5-TSSOP, SC-70-5, SOT-353 |
Operating Temperature: | -40°C ~ 85°C |
Hysteresis: | -- |
Propagation Delay (Max): | 140ns |
CMRR, PSRR (Typ): | -- |
Current - Quiescent (Max): | 220µA |
Series: | -- |
Current - Input Bias (Max): | 1pA |
Voltage - Input Offset (Max): | 7mV @ 5V |
Voltage - Supply, Single/Dual (±): | 1.8 V ~ 7 V, ±0.9 V ~ 3.5 V |
Output Type: | Push-Pull |
Number of Elements: | 1 |
Type: | General Purpose |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Description
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Linear-comparators are versatile circuits that provide a rapid means of comparing two values. The TC75S57FU (TE85L,F) is one such circuit, primarily used in digital systems to determine whether a high or low threshold has been exceeded. By switching its output state, the circuit can provide logic level outputs and feedback necessary for digital systems to control their behavior.The TC75S57FU is a linear-comparator with differential inputs. This means that the circuit takes two separate, non-zero input voltages, or currents, and produces a single output response. This response is determined by which of the inputs is larger. The piece within the TC75S57FU that produces this behavior is an operational amplifier, or op-amp. An op-amp is a three-terminal device, with two inputs, a positive and a negative terminal, and an output. The op-amp is constructed of two identical transistors that are “opposed” to or “opposed” of one another. The two inputs to an op-amp are the inverting (or negative) and non-inverting (or positive) terminals. The non-inverting input is always connected to a reference voltage, while the inverting input is the one that is actually compared. In the case of the TC75S57FU, the reference voltage is typically 5 Volts, while the inverted terminal voltage is provided externally by the system that is calling the comparator. Once the two values are compared, the output of the op-amp is then used to drive a logic level output level. This output is determined by the relative magnitude of the two signals being compared. If the voltage at the inverting terminal is larger than the non-inverting terminal, the output of the op-amp will be high, and thus the logic level output will be driven high. If, however, the voltage at the inverting terminal is smaller than the non-inverting terminal, the output of the op-amp will be low, and so the logic level output will be driven low.In addition to providing this basic functionality, the TC75S57FU also has two other functions. The first of these is a hysteresis function, which ensures that the comparator does not flip-flop rapidly between a high and low logic level. The hysteresis is included by adding some “leakage” current to the input terminals, which will cause the logic level output to maintain the same output even if the input voltages remain the same.The second function of the TC75S57FU is an internal pull-down resistor. This resistor is connected to one of the inputs of the op-amp, and serves to ensure that the output remains in a low logic level when no input no voltage is applied. This is particularly important in digital systems, as it ensures that the system will remain in a low power state when no input is being specified. The primary application field for the TC75S57FU is in digital system designs. Its ability to produce an immediate response to two different inputs makes it ideal for a variety of logic level control applications. Such applications can range from the relatively simple, such as determining the presence or absence of an input voltage, to the more complex, such as providing feedback control for data processing systems. In summary, the TC75S57FU (TE85L,F) is a linear-comparator designed for use in digital systems. It has a differential input arrangement and two additional functions, hysteresis and an internal pulldown, to ensure proper and reliable operation. Ultimately, its ideal use is in digital systems designs, where it can immediately and accurately determine the differences of two input voltages, and respond accordingly with a logic level output.
The specific data is subject to PDF, and the above content is for reference
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