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MCP4822-E/SN
+StücklisteIC DAC 12BIT V-OUT 8SOIC
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HerstellerMikrochip-Technologie
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Herstellerteil #MCP4822-E/SN
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Paket SOIC-8
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Auf Lager1970
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 12 |
| 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) | ±4, ±0.25 |
| Architecture | String DAC |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 8-SOIC |
Übersicht
Description
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
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
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
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
Application
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.