MCP4921T-E/MS

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MCP4921T-E/MS

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IC DAC 12BIT V-OUT 8MSOP

  • Nhà sản xuấtCông nghệ Microchip

  • Ông. Phần #MCP4921T-E/MS

  • Bảng dữ liệu MCP4921T-E/MS DataSheet

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Thông số kỹ thuật

thuộc tính Giá trị
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-TSSOP, 8-MSOP (0.118", 3.00mm Width)
SupplierDevicePackage 8-MSOP
MountingType Surface Mount
BaseProductNumber MCP4921

Tổng quan

Description

The MCP4921T-E/MS is a 12-bit Digital-to-Analog Converter (DAC) from Microchip Technology. It features a single-channel output and operates with a supply voltage range of 2.7V to 5.5V. The device communicates through a Serial Peripheral Interface (SPI), making it compatible with various microcontrollers.
Key features include:
- 12-bit resolution, providing 4096 discrete output levels.
- Output voltage range from 0V to VDD, suitable for various applications.
- Built-in voltage reference, ensuring accurate DAC output.
- Low power consumption, ideal for battery-operated devices.
- Simple configuration via SPI, allowing for easy integration into embedded systems.
The MCP4921T-E/MS is commonly used in applications such as waveform generation, signal conditioning, and analog control systems, where precise voltage output is required. Its compact size and efficiency make it a popular choice for designers looking to implement DAC functionality in their projects.

Equivalent

Equivalent products to the MCP4921T-E/MS include the MCP4801, MCP4901, and MCP4922. These chips are part of Microchip's DAC family, featuring similar 12-bit resolution, SPI interface, and varying output capabilities. For specific applications, consider the LTC2600 or AD5668 from Analog Devices, which also offer 12-bit resolution and digital interfaces. Always verify compatibility with your specific requirements before substitution.

Features

The MCP4921T-E/MS is a 12-bit digital-to-analog converter (DAC) that features:
1. Single Channel: Provides one output channel for analog signal generation.
2. Resolution: Offers 12-bit resolution, allowing for 4096 discrete output levels.
3. SPI Interface: Utilizes a Serial Peripheral Interface (SPI) for easy communication with microcontrollers.
4. Output Range: Capable of a voltage output range from 0V to Vref, configurable with an external reference voltage.
5. Power Supply: Operates on a wide supply voltage range, typically from 2.7V to 5.5V.
6. Low Power Consumption: Designed for low-power applications, with a typical current consumption of 1 mA.
7. Internal Voltage Reference: Contains an optional internal reference of 2.048V.
8. Shutdown Mode: Features a shutdown mode to reduce power consumption when not in use.
9. Package Types: Available in a variety of package options, including PDIP and TSSOP, for flexible design integration.
These features make the MCP4921T-E/MS suitable for a range of applications, including audio processing and signal generation.

Pinout

The MCP4921T-E/MS is a 12-bit digital-to-analog converter (DAC) with a total of 8 pins. Below is the pin count and their functions:
1. VDD (Pin 1): Power supply input (typically 2.7V to 5.5V).
2. VSS (Pin 2): Ground reference.
3. SCK (Pin 3): Serial Clock input, used for synchronizing data transfer.
4. SDI (Pin 4): Serial Data Input, where the digital data is input to the DAC.
5. CS (Pin 5): Chip Select, used to enable the device for communication.
6. LDAC (Pin 6): Load DAC, used to update the output voltage.
7. VOUT (Pin 7): Analog output voltage, representing the converted digital value.
8. NC (Pin 8): No Connection, not used.
The MCP4921T-E/MS features a simple SPI-compatible interface, enabling easy integration into microcontroller-based systems for precise analog signal generation.

Manufacturer

The manufacturer of the MCP4921T-E/MS is Microchip Technology Inc. Microchip is a prominent semiconductor company that specializes in the design and production of microcontrollers, microprocessors, analog semiconductors, and memory products. Founded in 1989, the company is known for its wide range of embedded control solutions and is a leader in developing application-specific integrated circuits (ASICs) and various peripheral devices.
Microchip serves a diverse array of industries, including automotive, industrial, consumer electronics, and communications, providing reliable, cost-effective, and energy-efficient solutions. The MCP4921T-E/MS is a 12-bit Digital-to-Analog Converter (DAC) that is widely used in applications requiring precise analog signals generated from digital inputs. The company is also recognized for its commitment to innovation, customer support, and extensive development tools, which facilitate design processes for engineers and developers.

Application

The MCP4921T-E/MS is a 12-bit Digital-to-Analog Converter (DAC) widely used in various applications, including:
1. Signal Generation: Producing analog signals for testing and simulation.
2. Audio Applications: Converting digital audio signals to analog for speakers or amplifiers.
3. Control Systems: Modulating control voltages in industrial automation and robotics.
4. Sensor Interfaces: Interfacing with sensors requiring analog outputs.
5. Calibration and Measurement: Generating precise voltage levels for instrument calibration.
Its SPI interface and low power consumption make it suitable for embedded systems and portable devices.

Package

The MCP4921T-E/MS is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) type package.

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