MCP4912-E/ST

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MCP4912-E/ST

+BOM

IC DAC 10BIT V-OUT 14TSSOP

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Specifications

Attribute Value
PartStatus Active
DigiKeyProgrammable Not Verified
NumberofBits 10
NumberofD/AConverters 2
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) ±1, ±0.2
Architecture String DAC
OperatingTemperature -40°C ~ 125°C
Package/Case 14-TSSOP (0.173", 4.40mm Width)
SupplierDevicePackage 14-TSSOP
MountingType Surface Mount
BaseProductNumber MCP4912

Overview

Description

The MCP4912-E/ST is a dual-channel, 12-bit digital-to-analog converter (DAC) from Microchip Technology. It features a simple serial interface (SPI) for easy communication with microcontrollers or digital systems. With a voltage reference range of 0 to VDD, it allows for flexible output voltage configurations. Each DAC can be independently controlled, making it suitable for applications requiring multiple output signals.
Key features include a low power consumption of about 1.5 mA in normal operation, a wide supply voltage range from 2.7V to 5.5V, and an onboard power-down feature to minimize power usage when not in operation. The MCP4912-E/ST exhibits low noise and high linearity, ensuring accurate signal reproduction.
Common applications include audio processing, signal generation, and control systems where precise voltage output is required. Its compact size and efficiency make it ideal for embedded systems and portable devices. Overall, the MCP4912-E/ST is a versatile and reliable solution for digital-to-analog conversion needs.

Equivalent

Equivalent products to the MCP4912-E/ST include the MCP4822, AD5541, and DAC7574. These chips offer similar functionalities, such as dual channel DAC capabilities and SPI communication. Ensure to check specific parameters like resolution, voltage references, and power supply requirements when selecting a substitute.

Features

The MCP4912-E/ST is a dual-channel, 12-bit Digital-to-Analog Converter (DAC) from Microchip Technology. Key features include:
1. Resolution: 12-bit resolution, allowing for 4096 discrete output levels.
2. Output Range: Configurable output voltage range (0 to Vref or -Vref to Vref) depending on the connection.
3. Interface: SPI-compatible digital interface for easy integration with microcontrollers.
4. Dual Channels: Two independent DAC outputs for versatile applications.
5. Power Supply: Operates on a supply voltage of 2.7V to 5.5V, ensuring flexibility for various designs.
6. Low Power Consumption: Quiescent current is low, making it suitable for battery-operated devices.
7. Internal Reference: Optionally uses an internal voltage reference, simplifying the design.
8. Shutdown Mode: Features a power-down mode for power savings when the DAC is not in use.
9. Temperature Range: Operates over a wide temperature range (-40°C to +125°C), making it suitable for industrial applications.
These features make the MCP4912-E/ST suitable for a variety of applications, including signal generation and control in embedded systems.

Pinout

The MCP4912-E/ST is a dual, 12-bit Digital-to-Analog Converter (DAC) from Microchip Technology. It has a total of 8 pins. The pin configuration is as follows:
1. VDD: Power supply voltage.
2. VSS: Ground reference.
3. SCK: Serial Clock input for SPI communication.
4. SDI: Serial Data In for sending data to the DAC.
5. CS: Chip Select input to enable the device.
6. LDAC: Load DAC input; when asserted, it updates the output.
7. VOUTA: Output voltage for DAC A.
8. VOUTB: Output voltage for DAC B.
The MCP4912 operates via an SPI-compatible interface, allowing it to convert digital input signals into corresponding analog voltage outputs. It is commonly used in applications requiring precise voltage control, such as signal generation, audio applications, and sensor interfacing.

Manufacturer

The MCP4912-E/ST is manufactured by Microchip Technology Inc., a leading semiconductor company headquartered in Chandler, Arizona. Founded in 1989, Microchip specializes in microcontrollers, memory chips, and analog semiconductors, serving a wide range of markets including automotive, industrial, consumer, and communications. The MCP4912 is a dual-channel, 12-bit digital-to-analog converter (DAC) that is part of Microchip's extensive portfolio of analog products. The company is known for its commitment to innovation, quality, and customer support, providing solutions that enable customers to design and develop advanced electronic products.

Application

The MCP4912-E/ST is a 12-bit Digital-to-Analog Converter (DAC) suitable for various applications, including:
1. Signal Generation: Creating analog waveforms for testing and simulation.
2. Audio Applications: Digital volume control or audio signal processing.
3. Sensor Calibration: Providing reference voltages or currents.
4. Control Systems: Implementing feedback loops in industrial automation.
5. Data Acquisition: Converting digital signals from microcontrollers to analog outputs.
6. Medical Devices: Used in diagnostic and monitoring equipment.
7. Embedded Systems: Integration in robotics and IoT devices for analog signal control.
Its low power consumption and SPI interface make it versatile for these applications.

Package

The MCP4912-E/ST is packaged in a 16-lead QSOP (Thin Shrink Small Outline Package) format. This package type is designed for space efficiency and is suitable for surface mounting on printed circuit boards.

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