MCP4921T-E/SN

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MCP4921T-E/SN

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IC DAC 12BIT V-OUT 8SOIC

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Spécifications

Attribut Valeur
PartStatus Active
DigiKeyProgrammable Not Verified
NumberofBits 12
NumberofD/AConverters 1
SettlingTime 4.5µs (Typ)
OutputType Voltage - Buffered
DifferentialOutput No
DataInterface SPI
ReferenceType External
Voltage-Supply,Analog 2.7V ~ 5.5V
Voltage-Supply,Digital 2.7V ~ 5.5V
INL/DNL(LSB) ±4, ±0.25
Architecture String DAC
OperatingTemperature -40°C ~ 125°C
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
MountingType Surface Mount
BaseProductNumber MCP4921

Présentation

Description

The MCP4921T-E/SN is a 12-bit Digital-to-Analog Converter (DAC) from Microchip Technology. It operates via a serial Peripheral Interface (SPI) and is designed to convert digital signals into analog voltages with high precision. The device features a single output channel, allowing it to produce a range of output voltages from 0 to Vref, typically up to 3.3V or 5V, depending on the reference voltage applied.
Key attributes include a maximum output current of 25 mA, a low-power operation mode, and an integrated voltage reference. The MCP4921T-E/SN supports a variety of applications, such as audio signal generation, signal conditioning, and control systems where analog output is required from digital inputs. Its small package size and ease of interfacing make it suitable for embedded systems and portable devices.
Overall, the MCP4921T-E/SN is a versatile and efficient solution for converting digital signals to high-quality analog outputs in various electronic applications.

Equivalent

The MCP4921T-E/SN is a dual-channel, 12-bit digital-to-analog converter (DAC) from Microchip. Equivalent products include the MCP4821, which is a similar dual-channel DAC with integrated op-amps, and the AD5541 from Analog Devices, which offers higher precision. Other alternatives are the DAC7574 and DAC8568 from Texas Instruments, providing various features such as different resolutions, channels, and interfaces. Always check specific features to ensure compatibility with your application.

Features

The MCP4921T-E/SN is a 12-bit Digital-to-Analog Converter (DAC) with the following key features:
1. Resolution: 12-bit resolution, offering 4096 output levels.
2. Interface: SPI-compatible interface for easy integration with microcontrollers.
3. Output Range: Configurable voltage output range (0V to Vref or Vref to Vref-1).
4. Settling Time: Fast settling time of around 12 µs to full-scale output.
5. Power Supply: Operates on a single power supply voltage from 2.7V to 5.5V.
6. Low Power Consumption: Ideal for battery-powered applications with low standby current.
7. On-chip Reference: Integrated voltage reference for simplified design.
8. Dual Channel: Contains two DAC channels, allowing for simultaneous outputs.
9. Programmable Gain: Programmable gain setting for versatile applications.
10. Industrial Temperature Range: Suitable for a wide temperature range (-40°C to +125°C).
These features make the MCP4921T-E/SN suitable for applications in audio, sensor signal processing, and control systems.

Pinout

The MCP4921T-E/SN is a 12-bit digital-to-analog converter (DAC) with a total of 8 pins. The pin configuration and their functions are as follows:
1. VDD - Power supply (2.7V to 5.5V).
2. VSS - Ground reference.
3. SCK - Serial Clock input for SPI communication.
4. SDI - Serial Data Input, where the digital data is received.
5. CS - Chip Select input, used to enable the device for communication.
6. LDAC - Load DAC input, used to update the output voltage.
7. VOUT - Output voltage, which provides the analog signal.
8. NC - No Connect, not used in application.
The MCP4921T-E/SN is suitable for applications requiring a smooth analog output from digital signals, with features like a simple SPI interface and a low-power operation mode.

Manufacturer

The MCP4921T-E/SN is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in embedded control solutions, offering a wide range of products including microcontrollers, digital signal controllers, and a variety of analog and interface products.
Microchip serves diverse markets such as automotive, industrial, consumer electronics, and communications. The company is recognized for its commitment to innovation, providing comprehensive support and tools for developers, including development boards, software libraries, and design resources. Additionally, Microchip emphasizes low-power solutions and high-performance products to meet the evolving needs of technology in various applications. With a global presence and a strong focus on customer satisfaction, Microchip continues to be a significant player in the semiconductor industry.

Application

The MCP4921T-E/SN is a 12-bit digital-to-analog converter (DAC) used in various applications, including:
1. Signal Generation: Creating analog waveforms for testing and simulation.
2. Audio Processing: Converting digital audio signals to analog for amplification.
3. Industrial Control: Providing analog control signals in automation systems.
4. Sensor Interfacing: Converting digital data from sensors to analog for further processing.
5. Feedback Systems: Generating setpoints for PID controllers in closed-loop systems.
6. Data Acquisition: Outputting data in analog form for monitoring and logging systems.
Its versatility makes it suitable for many consumer and industrial electronics applications.

Package

The MCP4921T-E/SN is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

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