MCP4922-E/SL

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MCP4922-E/SL

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IC DAC 12BIT V-OUT 14SOIC

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Spécifications

Attribut Valeur
Package Tube
ProductStatus Active
NumberofBits 12
NumberofD/AConverters 2
SettlingTime 4.5µs (Typ)
OutputType Voltage - Buffered
DifferentialOutput No
DataInterface SPI
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 5.5V
Voltage-SupplyDigital 2.7V ~ 5.5V
INL/DNL(LSB) ±4, ±0.25
Architecture String DAC
OperatingTemperature -40°C ~ 125°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 14-SOIC

Présentation

Description

The MCP4922-E/SL is a dual channel, 12-bit digital-to-analog converter (DAC) produced by Microchip Technology. It is designed for precision applications and uses the SPI (Serial Peripheral Interface) protocol for communication, allowing it to interface easily with microcontrollers. Each channel of the MCP4922 can output independent analog voltages, making it versatile for various applications, such as waveform generation and instrumentation.
Key features of the MCP4922-E/SL include a fast settling time, low power consumption, and a wide operating voltage range from 2.7V to 5.5V. It also includes a built-in voltage reference with options for buffered or unbuffered output, enhancing signal stability and accuracy. The device operates in a temperature range of -40°C to +125°C, suitable for industrial environments.
The MCP4922-E/SL is housed in an 8-pin SOIC package, making it compact and easy to integrate into existing circuit designs. Its affordability, precision, and ease of use make it a popular choice for designers seeking a reliable DAC solution.

Equivalent

The MCP4922-E/SL is a 12-bit digital-to-analog converter (DAC). Equivalent products include the Texas Instruments DAC7621 and Analog Devices AD5662. These DACs offer similar functionality in terms of resolution and interface. However, always check the specific features, package types, and performance characteristics to ensure compatibility with your application.

Features

The MCP4922-E/SL is a dual 12-bit digital-to-analog converter (DAC) with SPI interface, designed for precision and ease of integration in various applications. Key features include:
1. Resolution: It offers a 12-bit resolution, enabling fine granularity in analog output.
2. Dual Output: Two independent DAC channels allow for simultaneous dual signal outputs.
3. SPI Interface: Supports a high-speed serial peripheral interface for easy communication with microcontrollers.
4. High Accuracy: Features low differential non-linearity (DNL) and integral non-linearity (INL) for precise output.
5. Wide Operating Voltage: Operates on a wide supply voltage range from 2.7V to 5.5V.
6. Low Power Consumption: Ideal for battery-powered applications due to its low power operation.
7. Buffered Output: Provides buffered output voltage, enhancing stability and reducing impedance issues.
8. Temperature Range: Operates across a wide temperature range from -40°C to +125°C.
9. Package: Available in SOIC (Small Outline Integrated Circuit) packaging for compact designs.
These features make the MCP4922-E/SL suitable for applications requiring precise analog signal control.

Pinout

The MCP4922-E/SL is a 12-bit dual digital-to-analog converter (DAC) from Microchip Technology. It comes in a 14-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. VDD: Positive supply voltage.
2. CS: Chip Select, active low, used to select the device for communication.
3. SCK: Serial Clock Input, used to clock in data.
4. SDI: Serial Data Input, where data is shifted in.
5. LDAC: Load DAC, active low, used to simultaneously update the DAC outputs.
6. VREFB: Reference voltage input for DAC channel B.
7. VSS: Ground reference.
8. VOUTB: Analog output voltage from DAC channel B.
9. VOUTA: Analog output voltage from DAC channel A.
10. VREFA: Reference voltage input for DAC channel A.
11. SHDN: Shutdown pin, active low, used to reduce power consumption.
12. NC: No Connection.
13. NC: No Connection.
14. NC: No Connection.
The MCP4922 is used for applications requiring precision analog signal generation, such as waveform generation, instrumentation, and control applications.

Manufacturer

The MCP4922-E/SL is manufactured by Microchip Technology Inc. Microchip is an American company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP solutions. It is recognized for providing a broad range of semiconductor products that are used in various applications such as automotive, industrial, consumer, aerospace, and computing markets. The MCP4922, specifically, is a 12-bit digital-to-analog converter (DAC), which is part of Microchip's line of analog and interface products. Microchip is well-regarded for its comprehensive product portfolio and its focus on enabling secure, smart, and connected devices, making it a key player in the electronics industry.

Application

The MCP4922-E/SL is a dual-channel 12-bit Digital-to-Analog Converter (DAC) commonly used in applications requiring precise voltage outputs. Key application areas include:
1. Industrial Automation: For precise control in automated systems.
2. Instrumentation: Used in test and measurement equipment for generating reference voltages.
3. Communication Systems: In signal processing and waveform generation.
4. Audio Applications: For audio signal conversion and synthesis.
5. Medical Devices: In equipment requiring accurate signal conversion.
6. Consumer Electronics: For interfacing with microcontrollers to produce analog signals.
Its simplicity and precision make it suitable for any application needing reliable digital-to-analog conversion.

Package

The MCP4922-E/SL is packaged in an SOIC-16 (Small Outline Integrated Circuit) form factor.

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