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MCP4921-E/MS

Name: MCP4921-E/MS
Rating: 4.7 (12 reviews)

IC DAC 12BIT V-OUT 8MSOP

Производитель
Мфр. Часть #MCP4921-E/MS
Пакет MSOP-8
Лист данных MCP4921-E/MS DataSheet
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Спецификации

Package	Tube
ProductStatus	Active
NumberofBits	12
NumberofD/AConverters	1
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	8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
SupplierDevicePackage	8-MSOP

Обзор

Description

The MCP4921-E/MS is a 12-bit digital-to-analog converter (DAC) from Microchip Technology. It features a single-channel output and communicates via the Serial Peripheral Interface (SPI), making it suitable for various applications requiring precise analog signals, such as audio processing, sensor interfacing, and control systems.
Key features include a wide supply voltage range (2.7V to 5.5V), low power consumption, and an internal voltage reference. The MCP4921 can be configured for different output ranges and includes a programmable gain feature. It also supports a shutdown mode to save power.
The device is packaged in a small 8-pin MSOP, making it ideal for space-constrained designs. Its ease of integration into microcontroller-based systems, along with its high accuracy and resolution, positions it as a favorable choice for engineers looking to convert digital signals to analog in a cost-effective manner.

Features

The MCP4921-E/MS is a 12-bit digital-to-analog converter (DAC) with several key features:
1. Resolution: 12-bit resolution, allowing for 4096 discrete output levels.
2. Output Voltage Range: V_REF can be set from 0 to V_DD, typically 0 to +5V or +3.3V.
3. Interface: SPI (Serial Peripheral Interface) compatible, enabling easy communication with microcontrollers.
4. Power Supply: Operates with a supply voltage range of 2.7V to 5.5V.
5. Low Power Consumption: Sleep mode for reduced power usage when inactive.
6. Output Update: Fast update rate, allowing for quick response times in applications.
7. Integrated Reference: On-chip reference voltage, simplifying design.
8. Single Channel: Provides one analog output.
9. Temperature Range: Industrial temperature range option available (-40°C to +125°C).
These features make the MCP4921-E/MS suitable for applications such as audio, signal generation, and sensor interfacing.

Package

The MCP4921-E/MS is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package), which is designed for surface mount applications. This compact package helps to save space on PCBs while providing adequate thermal performance.

Pinout

The MCP4921-E/MS is a 12-bit digital-to-analog converter (DAC) featuring a total of 8 pins. The pin configuration and their functions are as follows:
1. VDD (Pin 1): Power supply input.
2. VSS (Pin 2): Ground reference.
3. VOUT (Pin 3): Output voltage.
4. SCK (Pin 4): Serial clock input for SPI communication.
5. SDI (Pin 5): Serial data input for transferring digital data.
6. CS (Pin 6): Chip select to enable the device for communication.
7. LDAC (Pin 7): Load data input to update the output voltage.
8. PGA (Pin 8): Programmable gain amplifier control input, allowing for scaling of the output voltage.
This device is commonly used in applications requiring analog signal generation and is controlled via a serial interface, making it suitable for various embedded systems.

Manufacturer

The MCP4921-E/MS is manufactured by Microchip Technology Inc., a prominent American company specializing in microcontroller and analog semiconductors. Founded in 1989, Microchip is known for its innovative products in embedded control applications, offering a wide range of solutions including microcontrollers, digital signal controllers, and various types of analog devices. The MCP4921 is a 12-bit digital-to-analog converter (DAC) that is used in various applications such as signal generation, audio processing, and control systems. Microchip serves a diverse range of industries, including automotive, industrial, consumer electronics, and communications, positioning itself as a key player in the semiconductor industry.

Application

The MCP4921-E/MS is a 12-bit digital-to-analog converter (DAC) used in applications such as audio signal generation, sensor signal conditioning, waveform generation, programmable gain amplifiers, process control, and control systems. It is also utilized in embedded systems, industrial automation, and instrumentation for precise voltage output and signal manipulation.

Equivalent

Equivalent products to the MCP4921-E/MS DAC include the MCP4821, MCP4725, and LTC2603. Each of these offers similar functionality in digital-to-analog conversion but may vary in specifications such as resolution, communication interface, and power supply requirements. Ensure to check datasheets for specific features and compatibility.

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