Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Active |
| NumberofBits | 12 |
| NumberofD/AConverters | 2 |
| SettlingTime | 4.5µs (Typ) |
| OutputType | Voltage - Buffered |
| DifferentialOutput | No |
| DataInterface | SPI |
| ReferenceType | Internal |
| 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-SOIC (0.154, 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
Overview
Description
The MCP4822-E/SN is a dual 12-bit Digital-to-Analog Converter (DAC) from Microchip Technology. It features a high-precision output with a maximum conversion rate of 450 kSPS (kilo samples per second) and operates with a supply voltage range of 2.7V to 5.5V. This DAC is designed for applications requiring high resolution and accuracy, such as audio processing, instrumentation, and industrial control systems.
Key features of the MCP4822 include an internal voltage reference, power-on reset, and a SPI-compatible serial interface for easy integration with microcontrollers. It has a low power consumption mode, making it suitable for battery-powered applications. The device offers a rail-to-rail output, ensuring maximum range in signal output.
Packaged in an 8-pin SOIC (Small Outline Integrated Circuit), the MCP4822-E/SN provides a compact solution for embedded systems. Its ease of use and reliability make it a popular choice for designers needing precise analog voltage generation from digital signals.
Key features of the MCP4822 include an internal voltage reference, power-on reset, and a SPI-compatible serial interface for easy integration with microcontrollers. It has a low power consumption mode, making it suitable for battery-powered applications. The device offers a rail-to-rail output, ensuring maximum range in signal output.
Packaged in an 8-pin SOIC (Small Outline Integrated Circuit), the MCP4822-E/SN provides a compact solution for embedded systems. Its ease of use and reliability make it a popular choice for designers needing precise analog voltage generation from digital signals.
Equivalent
The MCP4822-E/SN is a dual 12-bit DAC from Microchip. Equivalent products include:
1. AD5312R from Analog Devices: Dual 12-bit DAC with SPI interface.
2. LTC2632 from Analog Devices (formerly Linear Technology): Dual 12-bit DAC with SPI interface.
3. DAC082S085 from Texas Instruments: Dual 12-bit DAC with SPI interface.
4. MAX5215 from Maxim Integrated: Dual 14-bit DAC, but can be considered for its similar performance in some applications.
Ensure compatibility with your specific application needs when considering substitutes.
1. AD5312R from Analog Devices: Dual 12-bit DAC with SPI interface.
2. LTC2632 from Analog Devices (formerly Linear Technology): Dual 12-bit DAC with SPI interface.
3. DAC082S085 from Texas Instruments: Dual 12-bit DAC with SPI interface.
4. MAX5215 from Maxim Integrated: Dual 14-bit DAC, but can be considered for its similar performance in some applications.
Ensure compatibility with your specific application needs when considering substitutes.
Features
The MCP4822-E/SN is a dual 12-bit digital-to-analog converter (DAC) with a number of key features:
1. Resolution and Accuracy: It provides 12-bit resolution, allowing for fine control of analog output levels.
2. SPI Interface: The device uses a Serial Peripheral Interface (SPI) for communication, facilitating easy integration with microcontrollers.
3. Dual Outputs: It offers two independent DAC channels, which can be used for generating two separate analog signals.
4. Internal Voltage Reference: The DAC includes an internal voltage reference, enhancing precision and stability in the output.
5. Low Power Consumption: Designed for efficiency, it operates on low power, making it suitable for portable and battery-powered applications.
6. Rail-to-Rail Output: The outputs can swing from 0V up to the supply voltage, maximizing the dynamic range.
7. Fast Settling Time: It features a fast settling time, allowing rapid changes in the output signal.
8. Small Package: Available in an 8-pin SOIC package, it is compact and easy to integrate into space-constrained designs.
1. Resolution and Accuracy: It provides 12-bit resolution, allowing for fine control of analog output levels.
2. SPI Interface: The device uses a Serial Peripheral Interface (SPI) for communication, facilitating easy integration with microcontrollers.
3. Dual Outputs: It offers two independent DAC channels, which can be used for generating two separate analog signals.
4. Internal Voltage Reference: The DAC includes an internal voltage reference, enhancing precision and stability in the output.
5. Low Power Consumption: Designed for efficiency, it operates on low power, making it suitable for portable and battery-powered applications.
6. Rail-to-Rail Output: The outputs can swing from 0V up to the supply voltage, maximizing the dynamic range.
7. Fast Settling Time: It features a fast settling time, allowing rapid changes in the output signal.
8. Small Package: Available in an 8-pin SOIC package, it is compact and easy to integrate into space-constrained designs.
Pinout
The MCP4822-E/SN is a dual-channel 12-bit Digital-to-Analog Converter (DAC) from Microchip Technology. It is designed for applications requiring precision voltage output. The device comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Pin Count: 8 pins
Pin Functionality:
1. VDD (Pin 1): Positive power supply voltage.
2. CS (Pin 2): Chip Select; active low input to enable the device's serial communication interface.
3. SCK (Pin 3): Serial Clock Input; used to clock in data.
4. SDI (Pin 4): Serial Data Input; data is shifted into this pin.
5. VOUTA (Pin 5): Analog Output for channel A; provides the DAC output voltage for channel A.
6. VOUTB (Pin 6): Analog Output for channel B; provides the DAC output voltage for channel B.
7. LDAC (Pin 7): Load DAC; active low input that synchronizes the DAC output update with the serial interface.
8. VSS (Pin 8): Ground reference for the device.
The MCP4822-E/SN provides a simple SPI-compatible interface for easy integration into various systems.
Pin Count: 8 pins
Pin Functionality:
1. VDD (Pin 1): Positive power supply voltage.
2. CS (Pin 2): Chip Select; active low input to enable the device's serial communication interface.
3. SCK (Pin 3): Serial Clock Input; used to clock in data.
4. SDI (Pin 4): Serial Data Input; data is shifted into this pin.
5. VOUTA (Pin 5): Analog Output for channel A; provides the DAC output voltage for channel A.
6. VOUTB (Pin 6): Analog Output for channel B; provides the DAC output voltage for channel B.
7. LDAC (Pin 7): Load DAC; active low input that synchronizes the DAC output update with the serial interface.
8. VSS (Pin 8): Ground reference for the device.
The MCP4822-E/SN provides a simple SPI-compatible interface for easy integration into various systems.
Manufacturer
The MCP4822-E/SN is manufactured by Microchip Technology Inc. Microchip Technology is a publicly traded American company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. The company provides a wide range of products used in embedded control applications, such as automotive, industrial, computing, consumer, and security markets. Microchip is known for offering comprehensive solutions and support to its customers, facilitating the development of innovative applications.
Application
The MCP4822-E/SN is a dual 12-bit Digital-to-Analog Converter (DAC) with SPI interface, used in various applications requiring precise analog output. Key application areas include:
1. Industrial Automation: For controlling actuators and sensors.
2. Audio Equipment: In digital audio systems to convert digital signals to analog sound.
3. Instrumentation: In test and measurement equipment for generating reference voltages.
4. Data Acquisition Systems: To provide analog outputs based on digital data.
5. Embedded Systems: Where precise voltage outputs are needed for control applications.
6. Communication Systems: For modulation and waveform generation.
These applications benefit from its high accuracy, low power consumption, and ease of integration.
1. Industrial Automation: For controlling actuators and sensors.
2. Audio Equipment: In digital audio systems to convert digital signals to analog sound.
3. Instrumentation: In test and measurement equipment for generating reference voltages.
4. Data Acquisition Systems: To provide analog outputs based on digital data.
5. Embedded Systems: Where precise voltage outputs are needed for control applications.
6. Communication Systems: For modulation and waveform generation.
These applications benefit from its high accuracy, low power consumption, and ease of integration.
Package
The MCP4822-E/SN is a 12-bit dual-channel DAC with an SPI interface, housed in an 8-pin SOIC package.
