| Allicdata Part #: | MCP4441T-503E/ML-ND |
| Manufacturer Part#: |
MCP4441T-503E/ML |
| Price: | $ 0.76 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC DGTL POT 129TAPS QUAD 20QFN |
| More Detail: | Digital Potentiometer 50k Ohm 4 Circuit 129 Taps I... |
| DataSheet: |  MCP4441T-503E/ML Datasheet/PDF |
| Quantity: | 1000 |
| 3300 +: | $ 0.68783 |
Specifications
| Memory Type: | Non-Volatile |
| Base Part Number: | MCP4441 |
| Supplier Device Package: | 20-QFN-EP (4x4) |
| Package / Case: | 20-VFQFN Exposed Pad |
| Operating Temperature: | -40°C ~ 125°C |
| Resistance - Wiper (Ohms) (Typ): | 75 |
| Temperature Coefficient (Typ): | 150 ppm/°C |
| Tolerance: | ±20% |
| Features: | Selectable Address |
| Voltage - Supply: | 1.8 V ~ 5.5 V |
| Series: | WiperLock™ |
| Interface: | I²C |
| Resistance (Ohms): | 50k |
| Number of Taps: | 129 |
| Number of Circuits: | 4 |
| Configuration: | Potentiometer |
| Taper: | Linear |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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Data acquisition is an important component of the modern communication, automation, control, and energy industries. Digital potentiometers, or DPOTs, are specialized devices that enable a precise, digitally-controlled level of resistance within a circuit. The MCP4441T-503E/ML is an example of a DPOT, and is widely used for its ease of integration and high reliability. This article will discuss the application fields of the MCP4441T-503E/ML and its working principles.The MCP4441T-503E/ML was designed primarily for use in portable and handheld devices, such as cell phones and other mobile media devices. It is used to adjust the power levels of different circuits so that they keep the same relative performance. Additionally, it is also used in motor control and audio applications, as a reliable and precise means of adjusting power and volume. The device is rated up to 1.8V and combines both an I2C interface and an SPI interface, making it quite versatile and easy to use. The MCP4441T-503E/ML is a digitally-controlled analog potentiometer (DPOT) that uses two resistors and a high-accuracy non-volatile memory element to control a resistance level. The theory behind this device is simple: it uses a resistor, a digitally controlled non-volatile memory element, and a digital input to convert a digital signal into an analog voltage output. The memory element acts as the “potentiometer” and can be programmed with a series of 16-bit words, representing the desired resistance level. The digital input is used to select the resistance level, and the output voltage is changed accordingly. This makes the device ideal for applications where a precise, repeatable analog voltage is required. The memory element also provides data retention when power is removed, ensuring the DPOT can resume the pre-programmed operation upon the system being powered back up. Finally, the MCP4441T-503E/ML device contains a power down feature, which allows the user to provide active power to the device in a low-power sleep state until it is woken up by an external event or signal. This feature is key not only in helping to conserve energy, but also in ensuring reliable operation in situations where interruption of power is expected. Overall, the MCP4441T-503E/ML provides an excellent and reliable solution for applications requiring a digital potentiometer. Its non-volatile memory element and low-power sleep state make it ideal for portable and handheld applications such as cell phones and other mobile media devices. Additionally, its digital input and precision-controlled analog voltage output make it suitable for audio and motor control applications as well.
The specific data is subject to PDF, and the above content is for reference
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