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MCP4921-E/P
+BOMIC DAC 12BIT V-OUT 8DIP
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メーカーマイクロチップ・テクノロジー
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メーカー品番 #MCP4921-E/P
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データシート MCP4921-E/P DataSheet
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在庫状況8097
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| PartStatus | Active |
| NumberofBits | 12 |
| NumberofD/AConverters | 1 |
| 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) | ±4, ±0.25 |
| Architecture | String DAC |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 8-DIP (0.300", 7.62mm) |
| SupplierDevicePackage | 8-PDIP |
| MountingType | Through Hole |
| BaseProductNumber | MCP4921 |
概要
Description
Key features include an SPI-compatible interface for easy microcontroller communication, an integrated output buffer for improved performance, and low power consumption, making it ideal for battery-operated devices. The MCP4921 also offers a programmable gain, allowing flexibility in output signal levels.
Additionally, the device supports a power-down mode to save energy when not in use. It operates over a wide temperature range, ensuring reliability in diverse environments. Overall, the MCP4921-E/P is a versatile and user-friendly solution for digital analog conversion needs in embedded systems.
Equivalent
Features
1. Resolution: 12-bit resolution, allowing for 4096 discrete output levels.
2. Output Voltage Range: Configurable reference voltage, typically from 0V to VDD (up to 5.5V).
3. Communication Interface: SPI-compatible interface for easy interfacing with microcontrollers.
4. Power Consumption: Low power consumption with an active current of 200 µA and a shutdown mode reducing power to 1 µA.
5. Integrated Buffer: Internal output buffer for improved drive capability and reduced distortion.
6. Programmable Gain: Offers gain options for flexibility in output scaling.
7. Temperature Range: Operating temperature range from -40°C to +125°C for industrial applications.
8. Package Options: Available in 8-pin PDIP, SOIC, and MSOP packages for versatility in design.
These features make the MCP4921-E/P suitable for applications in audio, signal generation, and control systems.
Pinout
1. VDD - Power supply (typically 2.7V to 5.5V)
2. VSS - Ground reference
3. VOUT - Output voltage (analog output)
4. SCK - Serial clock input (SPI interface)
5. SDI - Serial data input (SPI interface)
6. LDAC - Load DAC input (used to update the output)
7. CS - Chip select (active low; used to enable the device)
8. NC - No connection (not used)
The MCP4921 communicates via a Serial Peripheral Interface (SPI), allowing the user to send digital data to convert into an analog voltage output. Its ability to integrate into various applications makes it suitable for audio, signal generation, and control systems.
Manufacturer
Microchip specializes in embedded control solutions, offering a wide range of products including microcontrollers (MCUs), digital signal controllers (DSCs), and various analog devices. The MCP4921-E/P itself is a 12-bit digital-to-analog converter (DAC) that is used in various applications for converting digital signals into analog voltages, making it ideal for audio, instrumentation, and control systems.
With a strong emphasis on innovation and quality, Microchip also provides development tools, software, and support to help engineers and developers create efficient designs. The company is recognized for its customer-centric approach and commitment to providing reliable, high-performance solutions across diverse industries.
Application
1. Signal Generation: Creating analog signals for audio and waveform synthesis.
2. Control Systems: Providing analog control signals in industrial automation.
3. Sensor Interface: Converting digital sensor data to analog for monitoring or processing.
4. Test Equipment: Used in function generators and signal analyzers.
5. Embedded Systems: Integrated in microcontroller projects for outputting variable voltage levels.
6. Audio Applications: Used in audio processing systems for volume control and signal modulation.
Its versatility makes it suitable for various electronic and measurement applications.