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Name: MCP4442T-503E/ST
Brand: Microchip Technology
SKU: MCP4442T-503E/ST
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology MCP4442T-503E/ST

Part No.:: MCP4442T-503E/ST

Manufacturer:: Microchip Technology

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP4442T-503E/ST.pdf

Description:: IC DGT POT 50KOHM 129TAP 14TSSOP

In Stock:: 2508

Quantity:: Add To Cart

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MCP4442T-503E/ST Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
WiperLock™
ProductStatus:
Active
Taper:
Linear
Configuration:
Rheostat
NumberofCircuits:
4
NumberofTaps:
129
Resistance(Ohms):
50k
Interface:
I²C
MemoryType:
Non-Volatile
Voltage-Supply:
1.8V ~ 5.5V
Features:
Selectable Address
Tolerance:
±20%
TemperatureCoefficient(Typ):
150ppm/°C
MountingType:
Surface Mount
OperatingTemperature:
-40°C ~ 125°C

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MCP4442T-503E/ST information

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MCP4442T-503E/ST Application Introduction

MCP4442T-503E/ST is a dual-channel digital potentiometer with non-volatile memory (EEPROM) and SPI interface, commonly used in electronic circuit design for various applications. It features a wide resistance range, low power consumption, and high resolution.

Application Scenario:

In audio equipment, MCP4442T-503E/ST can be employed to adjust volume levels or tone control settings dynamically, offering precise control over audio output characteristics.

Circuit Design:

To effectively utilize MCP4442T-503E/ST in a circuit design, follow these steps:

1. Signal Path Integration:

Interconnect MCP4442T-503E/ST within the signal path where variable resistance is required, such as volume control circuits in audio amplifiers. Ensure proper decoupling and filtering to maintain signal integrity.

2. SPI Interface Configuration:

Configure the SPI interface of MCP4442T-503E/ST according to the microcontroller's specifications. Utilize dedicated SPI pins, such as MOSI, MISO, and SCK, to enable communication with the digital potentiometer.

3. Power Supply:

Provide stable power to MCP4442T-503E/ST and associated components to ensure reliable operation. Utilize voltage regulators and decoupling capacitors to minimize noise and voltage fluctuations.

4. Thermal Management:

Implement thermal management techniques, such as proper PCB layout and heat sinking, to dissipate heat generated during operation and maintain optimal performance and reliability of MCP4442T-503E/ST.

5. Calibration and Testing:

Calibrate the digital potentiometer to ensure accurate resistance values across its entire range. Perform thorough testing, including temperature and signal integrity tests, to verify the functionality and performance of the circuit.

Considerations:

When designing with MCP4442T-503E/ST, consider the following factors:

- Resolution and Accuracy: Choose the appropriate resolution and accuracy configuration based on the application requirements.

- SPI Timing: Ensure proper timing and synchronization between the microcontroller and MCP4442T-503E/ST to avoid communication errors.

- EMI/EMC Compliance: Design the circuit layout and shielding to minimize electromagnetic interference and ensure compliance with relevant EMC standards.

- Component Selection: Select components with compatible voltage and current ratings to prevent damage to MCP4442T-503E/ST and other circuitry.

- System Integration: Integrate MCP4442T-503E/ST seamlessly into the overall system architecture, considering factors such as communication protocols and power distribution.

MCP4442T-503E/ST FAQ

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3. Are the MCP4442T-503E/ST price and inventory displayed accurate?

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6. What is the process for return or replacement of MCP4442T-503E/ST?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MCP4442T-503E/ST we delivered, we will accept the replacement or return of the MCP4442T-503E/ST only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MCP4442T-503E/ST.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations