사양
| 속성 | 가치 |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 8 |
| Number of D/A Converters | 2 |
| Settling Time | 4.5µs (Typ) |
| Output Type | Voltage - Buffered |
| Differential Output | No |
| Data Interface | SPI |
| Reference Type | Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| INL / DNL(LSB) | ±0.25, ±0.2 |
| Architecture | String DAC |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 8-SOIC |
개요
Description
The MCP4802-E/SN is a dual channel, 8-bit Digital-to-Analog Converter (DAC) with a Serial Peripheral Interface (SPI) from Microchip Technology. It operates with low power and is designed for simplicity and reliability in digital-to-analog conversion tasks. The device offers a rail-to-rail output swing, ensuring maximum signal range utilization. Its primary features include a wide operating voltage range from 2.7V to 5.5V, which makes it versatile for various applications.
The MCP4802 provides two DAC channels, each with a selectable internal voltage reference, allowing individual channel control. It is housed in an 8-pin SOIC package and features a fast settling time and low glitch energy, which makes it suitable for precision applications like instrumentation, data acquisition, and industrial control. Additionally, its SPI interface allows easy integration with microcontrollers for seamless digital communication. Overall, the MCP4802-E/SN is ideal for applications requiring reliable and efficient digital-to-analog conversion with minimal component count and power consumption.
The MCP4802 provides two DAC channels, each with a selectable internal voltage reference, allowing individual channel control. It is housed in an 8-pin SOIC package and features a fast settling time and low glitch energy, which makes it suitable for precision applications like instrumentation, data acquisition, and industrial control. Additionally, its SPI interface allows easy integration with microcontrollers for seamless digital communication. Overall, the MCP4802-E/SN is ideal for applications requiring reliable and efficient digital-to-analog conversion with minimal component count and power consumption.
Equivalent
The MCP4802-E/SN is a dual-channel, 8-bit DAC. Equivalent products include the Microchip MCP4822 (12-bit version) if higher resolution is acceptable, or the Analog Devices AD7303, which is also an 8-bit dual DAC. Texas Instruments' DAC082S085 can serve as a similar alternative in dual-channel 8-bit DAC applications. When selecting an equivalent, ensure compatibility with your specific requirements, such as voltage reference, package type, and pin configuration.
Features
The MCP4802-E/SN is a dual 8-bit Digital-to-Analog Converter (DAC) from Microchip Technology. Key features include:
1. Resolution: It offers 8-bit resolution, providing 256 discrete output levels.
2. Dual Output: It includes two DAC channels, allowing simultaneous output.
3. SPI Interface: Utilizes a Serial Peripheral Interface (SPI) for communication, with clock speeds of up to 20 MHz.
4. Rail-to-Rail Output: Ensures the output voltage can swing from ground to the supply voltage.
5. Internal Voltage Reference: Features an internal precision voltage reference, reducing the need for external components.
6. Low Power Consumption: Operates with low power, making it suitable for battery-powered applications.
7. Operating Voltage: Supports a wide voltage range from 2.7V to 5.5V.
8. Small Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
9. Temperature Range: Operates effectively between -40°C to +125°C, suitable for industrial environments.
These features make the MCP4802-E/SN ideal for applications requiring reliable and precise analog output, such as instrumentation and control systems.
1. Resolution: It offers 8-bit resolution, providing 256 discrete output levels.
2. Dual Output: It includes two DAC channels, allowing simultaneous output.
3. SPI Interface: Utilizes a Serial Peripheral Interface (SPI) for communication, with clock speeds of up to 20 MHz.
4. Rail-to-Rail Output: Ensures the output voltage can swing from ground to the supply voltage.
5. Internal Voltage Reference: Features an internal precision voltage reference, reducing the need for external components.
6. Low Power Consumption: Operates with low power, making it suitable for battery-powered applications.
7. Operating Voltage: Supports a wide voltage range from 2.7V to 5.5V.
8. Small Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
9. Temperature Range: Operates effectively between -40°C to +125°C, suitable for industrial environments.
These features make the MCP4802-E/SN ideal for applications requiring reliable and precise analog output, such as instrumentation and control systems.
Pinout
The MCP4802-E/SN is a dual-channel, 8-bit Digital-to-Analog Converter (DAC) with SPI interface. It comes in an 8-pin SOIC package. Here is a brief overview of the pin functions:
1. VDD (Pin 1): Power supply pin for the device.
2. CS (Pin 2): Chip Select input pin; active low. It enables communication with the device.
3. SCK (Pin 3): Serial Clock input pin for the SPI interface.
4. SDI (Pin 4): Serial Data Input pin for receiving digital data.
5. VOUTA (Pin 5): Analog output voltage from DAC channel A.
6. VSS (Pin 6): Ground reference pin for the device.
7. VOUTB (Pin 7): Analog output voltage from DAC channel B.
8. LDAC (Pin 8): Latch DAC input pin. When low, it allows the DAC outputs to be updated.
The MCP4802-E/SN is used in applications requiring digital-to-analog conversion, such as signal generation and control systems.
1. VDD (Pin 1): Power supply pin for the device.
2. CS (Pin 2): Chip Select input pin; active low. It enables communication with the device.
3. SCK (Pin 3): Serial Clock input pin for the SPI interface.
4. SDI (Pin 4): Serial Data Input pin for receiving digital data.
5. VOUTA (Pin 5): Analog output voltage from DAC channel A.
6. VSS (Pin 6): Ground reference pin for the device.
7. VOUTB (Pin 7): Analog output voltage from DAC channel B.
8. LDAC (Pin 8): Latch DAC input pin. When low, it allows the DAC outputs to be updated.
The MCP4802-E/SN is used in applications requiring digital-to-analog conversion, such as signal generation and control systems.
Manufacturer
The MCP4802-E/SN is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that develops and manufactures microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. They cater to a broad range of applications and industries including automotive, industrial, consumer electronics, communications, and computing, among others. The company's products are used by engineers and developers to design and build a wide array of electronic devices and systems. Founded in 1989, Microchip has established itself as a key player in the semiconductor industry, providing essential components for embedded control systems.
Application
The MCP4802-E/SN is a dual-channel, 8-bit Digital-to-Analog Converter (DAC) commonly used in applications requiring precise voltage output control. Key application areas include:
1. Industrial Automation: For controlling actuators, sensors, and process control systems.
2. Audio Applications: Used in sound generation and volume control.
3. Data Acquisition Systems: Converts digital signals to analog for further processing.
4. Portable Instruments: In devices requiring low power and compact design.
5. Communication Systems: For signal modulation and calibration.
6. Consumer Electronics: Used in devices needing analog signal outputs, such as TVs and radios.
Its small package and low power consumption make it suitable for embedded systems.
1. Industrial Automation: For controlling actuators, sensors, and process control systems.
2. Audio Applications: Used in sound generation and volume control.
3. Data Acquisition Systems: Converts digital signals to analog for further processing.
4. Portable Instruments: In devices requiring low power and compact design.
5. Communication Systems: For signal modulation and calibration.
6. Consumer Electronics: Used in devices needing analog signal outputs, such as TVs and radios.
Its small package and low power consumption make it suitable for embedded systems.
Package
The MCP4802-E/SN is a dual-channel 8-bit digital-to-analog converter (DAC) packaged in an 8-pin SOIC (Small Outline Integrated Circuit).