MCP4018T-103E/LT Integrated Circuits (ICs) |
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Allicdata Part #: | MCP4018T-103E/LTTR-ND |
Manufacturer Part#: |
MCP4018T-103E/LT |
Price: | $ 0.28 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC DGTL POT 10K 128TAPS SC70-6 |
More Detail: | Digital Potentiometer 10k Ohm 1 Circuit 128 Taps I... |
DataSheet: | MCP4018T-103E/LT Datasheet/PDF |
Quantity: | 21000 |
3000 +: | $ 0.25307 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Taper: | Linear |
Configuration: | Rheostat |
Number of Circuits: | 1 |
Number of Taps: | 128 |
Resistance (Ohms): | 10k |
Interface: | I²C |
Memory Type: | Volatile |
Voltage - Supply: | 1.8 V ~ 5.5 V |
Features: | -- |
Tolerance: | ±20% |
Temperature Coefficient (Typ): | 150 ppm/°C |
Resistance - Wiper (Ohms) (Typ): | 155 |
Operating Temperature: | -40°C ~ 125°C |
Package / Case: | 6-TSSOP, SC-88, SOT-363 |
Supplier Device Package: | SC-70-6 |
Base Part Number: | MCP4018 |
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The MCP4018T-103E/LT is a digital potentiometer and a valuable tool in data acquisition applications. It provides a means by which small changes in an electrical signal or voltage can be accurately measured and can be used to electrically tune the gain or offset of an operational amplifier.
The MCP4018T-103E/LT is a single-channel, eight-bit digital potentiometer, with an adjustable range of 40 to 103 kilohm. This potentiometer uses a 10Kohm resistor and a three-wire interface to connect the wiper terminal to the potentiometer. Two of the wires are ground connections, while the third conveys the signal from the wiper terminal.
This digital potentiometer is capable of fine-tuning signal amplitudes, adjusting the signal level at a pre-defined gain and offset in an amplifier, controlling refractive power within a laser, and other related applications. It also has the ability to measure voltages and impedance parameters accurately.
The MCP4018T-103E/LT works by controlling the voltage applied to the wiper terminal. The resistance between the wiper terminal and the top terminal is kept constant by a fixed resistor of 10K ohms. The voltage at the bottom terminal is used as a reference point and the voltage applied to the wiper terminal varies the resistance between this point and the top terminal.
The wiper terminal can be moved to any position between the bottom and the top terminals. It can be programmed to change its position by a serial input, with the control voltage varying in steps of 0.75v. This provides a resolution of 256 steps, which is fine-tunable to any level within the range. The digital potentiometer is controlled by a master microcontroller, which allows for complex control systems to be developed without the need for manual adjustment.
In addition to tuning the gain or offset of an operational amplifier, the MCP4018T-103E/LT can also be used to measure impedance and voltage parameters. By programming the digital potentiometer to increase and decrease the value of the resistors between the terminals, the impedance of the circuit can be measured accurately. In addition, the digital potentiometer can be combined with a voltage divider and a current-limiting resistor to measure voltage over a predetermined range.
The MCP4018T-103E/LT is an ideal device for use in data acquisition applications that require accurate, tunable adjustments and measurements. Its simple three-wire interface and adjustable range make it ideal for a variety of applications such as controlling the signal level in amplifiers, controlling refractive power within a laser, and measuring voltage and/or impedance parameters.
The specific data is subject to PDF, and the above content is for reference
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